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<center><a href="https://gitlab.com/petsc/petsc/-/blob/966382dc56242773704ef5f5cee7aa2db3ebc577/include/petscstring.h">Actual source code: petscstring.h</a></center><br>
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<pre width=80>
<a name="line1"> 1: </a><font color="#A020F0">#pragma once</font>
<a name="line3"> 3: </a>#include <A href="../include/petscsys.h.html"><petscsys.h></A>
<a name="line5"> 5: </a><font color="#B22222">/* SUBMANSEC = Sys */</font>
<a name="line7"> 7: </a><font color="#A020F0">#include <stddef.h> </font><font color="#B22222">/* size_t */</font><font color="#A020F0"></font>
<a name="line8"> 8: </a><font color="#A020F0">#include <string.h> </font><font color="#B22222">/* for memcpy, memset */</font><font color="#A020F0"></font>
<a name="line10"> 10: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>(const void *, const void *, size_t, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line11"> 11: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrToArray.html">PetscStrToArray</a>(const char[], char, int *, char ***)</font></strong>;
<a name="line12"> 12: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrToArrayDestroy.html">PetscStrToArrayDestroy</a>(int, char **)</font></strong>;
<a name="line13"> 13: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrcasecmp.html">PetscStrcasecmp</a>(const char[], const char[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line14"> 14: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrendswithwhich.html">PetscStrendswithwhich</a>(const char[], const char *const *, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line15"> 15: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrArrayallocpy.html">PetscStrArrayallocpy</a>(const char *const *, char ***)</font></strong>;
<a name="line16"> 16: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrArrayDestroy.html">PetscStrArrayDestroy</a>(char ***)</font></strong>;
<a name="line17"> 17: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrNArrayallocpy.html">PetscStrNArrayallocpy</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, const char *const *, char ***)</font></strong>;
<a name="line18"> 18: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrNArrayDestroy.html">PetscStrNArrayDestroy</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, char ***)</font></strong>;
<a name="line19"> 19: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrreplace.html">PetscStrreplace</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, const char[], char[], size_t)</font></strong>;
<a name="line20"> 20: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrcmpAny.html">PetscStrcmpAny</a>(const char[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *, const char[], ...)</font></strong>;
<a name="line22"> 22: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscTokenCreate.html">PetscTokenCreate</a>(const char[], char, <a href="../manualpages/Sys/PetscToken.html">PetscToken</a> *)</font></strong>;
<a name="line23"> 23: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscTokenFind.html">PetscTokenFind</a>(<a href="../manualpages/Sys/PetscToken.html">PetscToken</a>, const char *[])</font></strong>;
<a name="line24"> 24: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscTokenDestroy.html">PetscTokenDestroy</a>(<a href="../manualpages/Sys/PetscToken.html">PetscToken</a> *)</font></strong>;
<a name="line26"> 26: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrInList.html">PetscStrInList</a>(const char[], const char[], char, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line27"> 27: </a><strong><font color="#4169E1">PETSC_EXTERN const char *<a href="../manualpages/Sys/PetscBasename.html">PetscBasename</a>(const char[])</font></strong>;
<a name="line28"> 28: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscEListFind.html">PetscEListFind</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, const char *const *, const char *, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line29"> 29: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscEnumFind.html">PetscEnumFind</a>(const char *const *, const char *, <a href="../manualpages/Sys/PetscEnum.html">PetscEnum</a> *, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line31"> 31: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrcat.html">PetscStrcat</a>(char[], const char[])</font></strong>;
<a name="line32"> 32: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrcpy.html">PetscStrcpy</a>(char[], const char[])</font></strong>;
<a name="line34"> 34: </a><strong><font color="#228B22">#define PetscAssertPointer_Private(ptr, arg) <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>((ptr), <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, </font><font color="#666666">"Null Pointer: Parameter '"</font><font color="#228B22"> <a href="../manualpages/Sys/PetscStringize.html">PetscStringize</a>(ptr) </font><font color="#666666">"' # "</font><font color="#228B22"> <a href="../manualpages/Sys/PetscStringize.html">PetscStringize</a>(arg))</font></strong>
<a name="line36"> 36: </a><font color="#B22222">/*@C</font>
<a name="line37"> 37: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a> - Converts a string to lower case</font>
<a name="line39"> 39: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line41"> 41: </a><font color="#B22222"> Input Parameter:</font>
<a name="line42"> 42: </a><font color="#B22222">. a - pointer to string</font>
<a name="line44"> 44: </a><font color="#B22222"> Level: intermediate</font>
<a name="line46"> 46: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a>()`</font>
<a name="line47"> 47: </a><font color="#B22222">@*/</font>
<a name="line48"> 48: </a><strong><font color="#4169E1"><a name="PetscStrtolower"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a>(char a[])</font></strong>
<a name="line49"> 49: </a>{
<a name="line50"> 50: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line51"> 51: </a> PetscAssertPointer_Private(a, 1);
<a name="line52"> 52: </a> <font color="#4169E1">while</font> (*a) {
<a name="line53"> 53: </a> <font color="#4169E1">if</font> (*a >= 'A' && *a <= 'Z') *a += 'a' - 'A';
<a name="line54"> 54: </a> a++;
<a name="line55"> 55: </a> }
<a name="line56"> 56: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line57"> 57: </a>}
<a name="line59"> 59: </a><font color="#B22222">/*@C</font>
<a name="line60"> 60: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a> - Converts a string to upper case</font>
<a name="line62"> 62: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line64"> 64: </a><font color="#B22222"> Input Parameter:</font>
<a name="line65"> 65: </a><font color="#B22222">. a - pointer to string</font>
<a name="line67"> 67: </a><font color="#B22222"> Level: intermediate</font>
<a name="line69"> 69: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a>()`</font>
<a name="line70"> 70: </a><font color="#B22222">@*/</font>
<a name="line71"> 71: </a><strong><font color="#4169E1"><a name="PetscStrtoupper"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a>(char a[])</font></strong>
<a name="line72"> 72: </a>{
<a name="line73"> 73: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line74"> 74: </a> PetscAssertPointer_Private(a, 1);
<a name="line75"> 75: </a> <font color="#4169E1">while</font> (*a) {
<a name="line76"> 76: </a> <font color="#4169E1">if</font> (*a >= 'a' && *a <= 'z') *a += 'A' - 'a';
<a name="line77"> 77: </a> a++;
<a name="line78"> 78: </a> }
<a name="line79"> 79: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line80"> 80: </a>}
<a name="line82"> 82: </a><font color="#B22222">/*@C</font>
<a name="line83"> 83: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a> - Gets the length of a string</font>
<a name="line85"> 85: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line87"> 87: </a><font color="#B22222"> Input Parameter:</font>
<a name="line88"> 88: </a><font color="#B22222">. s - pointer to string</font>
<a name="line90"> 90: </a><font color="#B22222"> Output Parameter:</font>
<a name="line91"> 91: </a><font color="#B22222">. len - length in bytes</font>
<a name="line93"> 93: </a><font color="#B22222"> Level: intermediate</font>
<a name="line95"> 95: </a><font color="#B22222"> Note:</font>
<a name="line96"> 96: </a><font color="#B22222"> This routine is analogous to `strlen()`. `NULL` string returns a length of zero.</font>
<a name="line98"> 98: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`</font>
<a name="line99"> 99: </a><font color="#B22222">@*/</font>
<a name="line100">100: </a><strong><font color="#4169E1"><a name="PetscStrlen"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>(const char s[], size_t *len)</font></strong>
<a name="line101">101: </a>{
<a name="line102">102: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line103">103: </a> PetscAssertPointer_Private(len, 2);
<a name="line104">104: </a> <font color="#4169E1">if</font> (s) {
<a name="line105">105: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strlen)</font>
<a name="line106">106: </a> *len = __builtin_strlen(s);
<a name="line107">107: </a><font color="#A020F0">#else</font>
<a name="line108">108: </a> *len = strlen(s);
<a name="line109">109: </a><font color="#A020F0">#endif</font>
<a name="line110">110: </a> } <font color="#4169E1">else</font> {
<a name="line111">111: </a> *len = 0;
<a name="line112">112: </a> }
<a name="line113">113: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line114">114: </a>}
<a name="line116">116: </a><font color="#B22222">/*@C</font>
<a name="line117">117: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a> - Allocates space to hold a copy of a string then copies the string into the new space</font>
<a name="line119">119: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line121">121: </a><font color="#B22222"> Input Parameter:</font>
<a name="line122">122: </a><font color="#B22222">. s - pointer to string</font>
<a name="line124">124: </a><font color="#B22222"> Output Parameter:</font>
<a name="line125">125: </a><font color="#B22222">. t - the copied string</font>
<a name="line127">127: </a><font color="#B22222"> Level: intermediate</font>
<a name="line129">129: </a><font color="#B22222"> Notes:</font>
<a name="line130">130: </a><font color="#B22222"> `NULL` string returns a new `NULL` string.</font>
<a name="line132">132: </a><font color="#B22222"> Use `<a href="../manualpages/Sys/PetscFree.html">PetscFree</a>()` to release the data when it is no longer needed.</font>
<a name="line134">134: </a><font color="#B22222"> If `t` has previously been allocated then that memory is lost, you may need to `<a href="../manualpages/Sys/PetscFree.html">PetscFree</a>()`</font>
<a name="line135">135: </a><font color="#B22222"> the array before calling this routine.</font>
<a name="line137">137: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrArrayallocpy.html">PetscStrArrayallocpy</a>()`, `<a href="../manualpages/Sys/PetscStrNArrayallocpy.html">PetscStrNArrayallocpy</a>()`</font>
<a name="line138">138: </a><font color="#B22222">@*/</font>
<a name="line139">139: </a><strong><font color="#4169E1"><a name="PetscStrallocpy"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>(const char s[], char *t[])</font></strong>
<a name="line140">140: </a>{
<a name="line141">141: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line142">142: </a> PetscAssertPointer_Private(t, 2);
<a name="line143">143: </a> *t = <a href="../manualpages/Sys/PETSC_NULLPTR.html">PETSC_NULLPTR</a>;
<a name="line144">144: </a> <font color="#4169E1">if</font> (s) {
<a name="line145">145: </a> size_t len;
<a name="line146">146: </a> char *tmp;
<a name="line148">148: </a> PetscAssertPointer_Private(s, 1);
<a name="line149">149: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>(s, &len));
<a name="line150">150: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscMalloc1.html">PetscMalloc1</a>(len + 1, &tmp));
<a name="line151">151: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_memcpy)</font>
<a name="line152">152: </a> __builtin_memcpy(tmp, s, len);
<a name="line153">153: </a><font color="#A020F0">#else</font>
<a name="line154">154: </a> memcpy(tmp, s, len);
<a name="line155">155: </a><font color="#A020F0">#endif</font>
<a name="line156">156: </a> tmp[len] = '\0';
<a name="line157">157: </a> *t = tmp;
<a name="line158">158: </a> }
<a name="line159">159: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line160">160: </a>}
<a name="line162">162: </a><strong><font color="#4169E1"><a name="PetscStrcmpNoError"></a>static inline void PetscStrcmpNoError(const char a[], const char b[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *flg)</font></strong>
<a name="line163">163: </a>{
<a name="line164">164: </a> <font color="#4169E1">if</font> (!a && !b) {
<a name="line165">165: </a> *flg = <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>;
<a name="line166">166: </a> } <font color="#4169E1">else</font> <font color="#4169E1">if</font> (!a || !b) {
<a name="line167">167: </a> *flg = <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line168">168: </a> } <font color="#4169E1">else</font> {
<a name="line169">169: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strcmp)</font>
<a name="line170">170: </a> *flg = __builtin_strcmp(a, b) ? <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a> : <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>;
<a name="line171">171: </a><font color="#A020F0">#else</font>
<a name="line172">172: </a> *flg = strcmp(a, b) ? <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a> : <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>;
<a name="line173">173: </a><font color="#A020F0">#endif</font>
<a name="line174">174: </a> }
<a name="line175">175: </a>}
<a name="line177">177: </a><font color="#B22222">/*@C</font>
<a name="line178">178: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a> - Compares two strings</font>
<a name="line180">180: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line182">182: </a><font color="#B22222"> Input Parameters:</font>
<a name="line183">183: </a><font color="#B22222">+ a - pointer to string first string</font>
<a name="line184">184: </a><font color="#B22222">- b - pointer to second string</font>
<a name="line186">186: </a><font color="#B22222"> Output Parameter:</font>
<a name="line187">187: </a><font color="#B22222">. flg - `<a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>` if the two strings are equal</font>
<a name="line189">189: </a><font color="#B22222"> Level: intermediate</font>
<a name="line191">191: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrcmpAny.html">PetscStrcmpAny</a>()`, `<a href="../manualpages/Sys/PetscStrgrt.html">PetscStrgrt</a>()`, `<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>()`, `<a href="../manualpages/Sys/PetscStrcasecmp.html">PetscStrcasecmp</a>()`</font>
<a name="line192">192: </a><font color="#B22222">@*/</font>
<a name="line193">193: </a><strong><font color="#4169E1"><a name="PetscStrcmp"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>(const char a[], const char b[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *flg)</font></strong>
<a name="line194">194: </a>{
<a name="line195">195: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line196">196: </a> PetscAssertPointer_Private(flg, 3);
<a name="line197">197: </a> PetscStrcmpNoError(a, b, flg);
<a name="line198">198: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line199">199: </a>}
<a name="line201">201: </a><font color="#A020F0">#if defined(__GNUC__) && !defined(__clang__)</font>
<a name="line202">202: </a><font color="#A020F0"> #if __GNUC__ >= 8</font>
<a name="line203">203: </a><strong><font color="#228B22"> #define PETSC_SILENCE_WSTRINGOP_TRUNCATION_BEGIN \</font></strong>
<a name="line204">204: </a><strong><font color="#228B22"> do { \</font></strong>
<a name="line205">205: </a><strong><font color="#228B22"> _Pragma(</font><font color="#666666">"GCC diagnostic push"</font><font color="#228B22">); \</font></strong>
<a name="line206">206: </a><strong><font color="#228B22"> _Pragma(</font><font color="#666666">"GCC diagnostic ignored \"-Wstringop-truncation\""</font><font color="#228B22">); \</font></strong>
<a name="line207">207: </a><strong><font color="#228B22"> } while (0)</font></strong>
<a name="line208">208: </a><strong><font color="#228B22"> #define PETSC_SILENCE_WSTRINGOP_TRUNCATION_END _Pragma(</font><font color="#666666">"GCC diagnostic pop"</font><font color="#228B22">)</font></strong>
<a name="line209">209: </a><font color="#A020F0"> #endif</font>
<a name="line210">210: </a><font color="#A020F0">#endif</font>
<a name="line212">212: </a><font color="#A020F0">#ifndef PETSC_SILENCE_WSTRINGOP_TRUNCATION_BEGIN</font>
<a name="line213">213: </a><strong><font color="#228B22"> #define PETSC_SILENCE_WSTRINGOP_TRUNCATION_BEGIN (void)0</font></strong>
<a name="line214">214: </a><strong><font color="#228B22"> #define PETSC_SILENCE_WSTRINGOP_TRUNCATION_END (void)0</font></strong>
<a name="line215">215: </a><font color="#A020F0">#endif</font>
<a name="line217">217: </a><font color="#B22222">/*@C</font>
<a name="line218">218: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrncpy.html">PetscStrncpy</a> - Copies a string up to a certain length</font>
<a name="line220">220: </a><font color="#B22222"> Not Collective</font>
<a name="line222">222: </a><font color="#B22222"> Input Parameters:</font>
<a name="line223">223: </a><font color="#B22222">+ t - pointer to string</font>
<a name="line224">224: </a><font color="#B22222">- n - the length to copy</font>
<a name="line226">226: </a><font color="#B22222"> Output Parameter:</font>
<a name="line227">227: </a><font color="#B22222">. s - the copied string</font>
<a name="line229">229: </a><font color="#B22222"> Level: intermediate</font>
<a name="line231">231: </a><font color="#B22222"> Notes:</font>
<a name="line232">232: </a><font color="#B22222"> `NULL` string returns a string starting with zero.</font>
<a name="line234">234: </a><font color="#B22222"> If the string that is being copied is of length `n` or larger, then the entire string is not</font>
<a name="line235">235: </a><font color="#B22222"> copied and the final location of `s` is set to `NULL`. This is different then the behavior of</font>
<a name="line236">236: </a><font color="#B22222"> `strncpy()` which leaves `s` non-terminated if there is not room for the entire string.</font>
<a name="line238">238: </a><font color="#B22222"> Developer Note:</font>
<a name="line239">239: </a><font color="#B22222"> Should this be `PetscStrlcpy()` to reflect its behavior which is like `strlcpy()` not</font>
<a name="line240">240: </a><font color="#B22222"> `strncpy()`?</font>
<a name="line242">242: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrlcat.html">PetscStrlcat</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`</font>
<a name="line243">243: </a><font color="#B22222">@*/</font>
<a name="line244">244: </a><strong><font color="#4169E1"><a name="PetscStrncpy"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrncpy.html">PetscStrncpy</a>(char s[], const char t[], size_t n)</font></strong>
<a name="line245">245: </a>{
<a name="line246">246: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line247">247: </a> <font color="#4169E1">if</font> (s) <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(n, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, <font color="#666666">"Requires an output string of length at least 1 to hold the termination character"</font>);
<a name="line248">248: </a> <font color="#4169E1">if</font> (t) {
<a name="line249">249: </a> PetscAssertPointer_Private(s, 1);
<a name="line250">250: </a> PETSC_SILENCE_WSTRINGOP_TRUNCATION_BEGIN;
<a name="line251">251: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strncpy)</font>
<a name="line252">252: </a> __builtin_strncpy(s, t, n);
<a name="line253">253: </a><font color="#A020F0">#else</font>
<a name="line254">254: </a> strncpy(s, t, n);
<a name="line255">255: </a><font color="#A020F0">#endif</font>
<a name="line256">256: </a> PETSC_SILENCE_WSTRINGOP_TRUNCATION_END;
<a name="line257">257: </a> s[n - 1] = '\0';
<a name="line258">258: </a> } <font color="#4169E1">else</font> <font color="#4169E1">if</font> (s) {
<a name="line259">259: </a> s[0] = '\0';
<a name="line260">260: </a> }
<a name="line261">261: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line262">262: </a>}
<a name="line264">264: </a><font color="#B22222">/*@C</font>
<a name="line265">265: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrlcat.html">PetscStrlcat</a> - Concatenates a string onto a given string, up to a given length</font>
<a name="line267">267: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line269">269: </a><font color="#B22222"> Input Parameters:</font>
<a name="line270">270: </a><font color="#B22222">+ s - pointer to string to be added to at end</font>
<a name="line271">271: </a><font color="#B22222">. t - string to be added</font>
<a name="line272">272: </a><font color="#B22222">- n - length of the original allocated string</font>
<a name="line274">274: </a><font color="#B22222"> Level: intermediate</font>
<a name="line276">276: </a><font color="#B22222"> Note:</font>
<a name="line277">277: </a><font color="#B22222"> Unlike the system call `strncat()`, the length passed in is the length of the</font>
<a name="line278">278: </a><font color="#B22222"> original allocated space, not the length of the left-over space. This is</font>
<a name="line279">279: </a><font color="#B22222"> similar to the BSD system call `strlcat()`.</font>
<a name="line281">281: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrncpy.html">PetscStrncpy</a>()`</font>
<a name="line282">282: </a><font color="#B22222">@*/</font>
<a name="line283">283: </a><strong><font color="#4169E1"><a name="PetscStrlcat"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrlcat.html">PetscStrlcat</a>(char s[], const char t[], size_t n)</font></strong>
<a name="line284">284: </a>{
<a name="line285">285: </a> size_t len;
<a name="line287">287: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line288">288: </a> <font color="#4169E1">if</font> (!t) <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line289">289: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(n, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_SIZ</a>, <font color="#666666">"String buffer length must be positive"</font>);
<a name="line290">290: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>(s, &len));
<a name="line291">291: </a> PETSC_SILENCE_WSTRINGOP_TRUNCATION_BEGIN;
<a name="line292">292: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strncat)</font>
<a name="line293">293: </a> __builtin_strncat(s, t, n - len);
<a name="line294">294: </a><font color="#A020F0">#else</font>
<a name="line295">295: </a> strncat(s, t, n - len);
<a name="line296">296: </a><font color="#A020F0">#endif</font>
<a name="line297">297: </a> PETSC_SILENCE_WSTRINGOP_TRUNCATION_END;
<a name="line298">298: </a> s[n - 1] = '\0';
<a name="line299">299: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line300">300: </a>}
<a name="line302">302: </a><strong><font color="#228B22">#undef PETSC_SILENCE_WSTRINGOP_TRUNCATION_BEGIN</font></strong>
<a name="line303">303: </a><strong><font color="#228B22">#undef PETSC_SILENCE_WSTRINGOP_TRUNCATION_END</font></strong>
<a name="line305">305: </a><font color="#B22222">/*@C</font>
<a name="line306">306: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a> - Compares two strings, up to a certain length</font>
<a name="line308">308: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line310">310: </a><font color="#B22222"> Input Parameters:</font>
<a name="line311">311: </a><font color="#B22222">+ a - pointer to first string</font>
<a name="line312">312: </a><font color="#B22222">. b - pointer to second string</font>
<a name="line313">313: </a><font color="#B22222">- n - length to compare up to</font>
<a name="line315">315: </a><font color="#B22222"> Output Parameter:</font>
<a name="line316">316: </a><font color="#B22222">. t - `<a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>` if the two strings are equal, `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>` otherwise</font>
<a name="line318">318: </a><font color="#B22222"> Level: intermediate</font>
<a name="line320">320: </a><font color="#B22222"> Note:</font>
<a name="line321">321: </a><font color="#B22222"> If `n` is `0`, `t` is set to `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>`. `a` and/or `b` may be `NULL` in this case.</font>
<a name="line323">323: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrgrt.html">PetscStrgrt</a>()`, `<a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>()`, `<a href="../manualpages/Sys/PetscStrcasecmp.html">PetscStrcasecmp</a>()`</font>
<a name="line324">324: </a><font color="#B22222">@*/</font>
<a name="line325">325: </a><strong><font color="#4169E1"><a name="PetscStrncmp"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>(const char a[], const char b[], size_t n, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *t)</font></strong>
<a name="line326">326: </a>{
<a name="line327">327: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line328">328: </a> PetscAssertPointer_Private(t, 4);
<a name="line329">329: </a> *t = <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line330">330: </a> <font color="#4169E1">if</font> (n) {
<a name="line331">331: </a> PetscAssertPointer_Private(a, 1);
<a name="line332">332: </a> PetscAssertPointer_Private(b, 2);
<a name="line333">333: </a> }
<a name="line334">334: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strncmp)</font>
<a name="line335">335: </a> *t = __builtin_strncmp(a, b, n) ? <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a> : <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>;
<a name="line336">336: </a><font color="#A020F0">#else</font>
<a name="line337">337: </a> *t = strncmp(a, b, n) ? <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a> : <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>;
<a name="line338">338: </a><font color="#A020F0">#endif</font>
<a name="line339">339: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line340">340: </a>}
<a name="line342">342: </a><font color="#B22222">/*@C</font>
<a name="line343">343: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrrstr.html">PetscStrrstr</a> - Locates last occurrence of string in another string</font>
<a name="line345">345: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line347">347: </a><font color="#B22222"> Input Parameters:</font>
<a name="line348">348: </a><font color="#B22222">+ a - pointer to string</font>
<a name="line349">349: </a><font color="#B22222">- b - string to find</font>
<a name="line351">351: </a><font color="#B22222"> Output Parameter:</font>
<a name="line352">352: </a><font color="#B22222">. tmp - location of occurrence</font>
<a name="line354">354: </a><font color="#B22222"> Level: intermediate</font>
<a name="line356">356: </a><font color="#B22222">.seealso: `PetscStrbeginswithwhich()`, `<a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a>()`, `<a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a>`,</font>
<a name="line357">357: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a>()`, `<a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a>()`, `<a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a>()`, `<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>()`, `<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>()`,</font>
<a name="line358">358: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>()`</font>
<a name="line359">359: </a><font color="#B22222">@*/</font>
<a name="line360">360: </a><strong><font color="#4169E1"><a name="PetscStrrstr"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrrstr.html">PetscStrrstr</a>(const char a[], const char b[], char *tmp[])</font></strong>
<a name="line361">361: </a>{
<a name="line362">362: </a> const char *ltmp = <a href="../manualpages/Sys/PETSC_NULLPTR.html">PETSC_NULLPTR</a>;
<a name="line364">364: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line365">365: </a> PetscAssertPointer_Private(a, 1);
<a name="line366">366: </a> PetscAssertPointer_Private(b, 2);
<a name="line367">367: </a> PetscAssertPointer_Private(tmp, 3);
<a name="line368">368: </a> <font color="#4169E1">while</font> (a) {
<a name="line369">369: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strstr)</font>
<a name="line370">370: </a> a = (char *)__builtin_strstr(a, b);
<a name="line371">371: </a><font color="#A020F0">#else</font>
<a name="line372">372: </a> a = (char *)strstr(a, b);
<a name="line373">373: </a><font color="#A020F0">#endif</font>
<a name="line374">374: </a> <font color="#4169E1">if</font> (a) ltmp = a++;
<a name="line375">375: </a> }
<a name="line376">376: </a> *tmp = (char *)ltmp;
<a name="line377">377: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line378">378: </a>}
<a name="line380">380: </a><font color="#B22222">/*@C</font>
<a name="line381">381: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrstr.html">PetscStrstr</a> - Locates first occurrence of string in another string</font>
<a name="line383">383: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line385">385: </a><font color="#B22222"> Input Parameters:</font>
<a name="line386">386: </a><font color="#B22222">+ haystack - string to search</font>
<a name="line387">387: </a><font color="#B22222">- needle - string to find</font>
<a name="line389">389: </a><font color="#B22222"> Output Parameter:</font>
<a name="line390">390: </a><font color="#B22222">. tmp - location of `needle` within `haystack`, `NULL` if `needle` is not found</font>
<a name="line392">392: </a><font color="#B22222"> Level: intermediate</font>
<a name="line394">394: </a><font color="#B22222">.seealso: `PetscStrbeginswithwhich()`, `<a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a>()`, `<a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a>`,</font>
<a name="line395">395: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a>()`, `<a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a>()`, `<a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a>()`, `<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>()`, `<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>()`,</font>
<a name="line396">396: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>()`</font>
<a name="line397">397: </a><font color="#B22222">@*/</font>
<a name="line398">398: </a><strong><font color="#4169E1"><a name="PetscStrstr"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrstr.html">PetscStrstr</a>(const char haystack[], const char needle[], char *tmp[])</font></strong>
<a name="line399">399: </a>{
<a name="line400">400: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line401">401: </a> PetscAssertPointer_Private(haystack, 1);
<a name="line402">402: </a> PetscAssertPointer_Private(needle, 2);
<a name="line403">403: </a> PetscAssertPointer_Private(tmp, 3);
<a name="line404">404: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strstr)</font>
<a name="line405">405: </a> *tmp = (char *)__builtin_strstr(haystack, needle);
<a name="line406">406: </a><font color="#A020F0">#else</font>
<a name="line407">407: </a> *tmp = (char *)strstr(haystack, needle);
<a name="line408">408: </a><font color="#A020F0">#endif</font>
<a name="line409">409: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line410">410: </a>}
<a name="line412">412: </a><font color="#B22222">/*@C</font>
<a name="line413">413: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrgrt.html">PetscStrgrt</a> - If first string is greater than the second</font>
<a name="line415">415: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line417">417: </a><font color="#B22222"> Input Parameters:</font>
<a name="line418">418: </a><font color="#B22222">+ a - pointer to first string</font>
<a name="line419">419: </a><font color="#B22222">- b - pointer to second string</font>
<a name="line421">421: </a><font color="#B22222"> Output Parameter:</font>
<a name="line422">422: </a><font color="#B22222">. flg - `<a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>` if `a` is strictly greater than `b`, `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>` otherwise</font>
<a name="line424">424: </a><font color="#B22222"> Level: intermediate</font>
<a name="line426">426: </a><font color="#B22222"> Note:</font>
<a name="line427">427: </a><font color="#B22222"> `NULL` arguments are OK, a `NULL` string is considered smaller than all others. If both `a`</font>
<a name="line428">428: </a><font color="#B22222"> and `b` are `NULL` then `t` is set to `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>`.</font>
<a name="line430">430: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>()`, `<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>()`, `<a href="../manualpages/Sys/PetscStrcasecmp.html">PetscStrcasecmp</a>()`</font>
<a name="line431">431: </a><font color="#B22222">@*/</font>
<a name="line432">432: </a><strong><font color="#4169E1"><a name="PetscStrgrt"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrgrt.html">PetscStrgrt</a>(const char a[], const char b[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *t)</font></strong>
<a name="line433">433: </a>{
<a name="line434">434: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line435">435: </a> PetscAssertPointer_Private(t, 3);
<a name="line436">436: </a> <font color="#4169E1">if</font> (!a && !b) {
<a name="line437">437: </a> *t = <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line438">438: </a> } <font color="#4169E1">else</font> <font color="#4169E1">if</font> (a && !b) {
<a name="line439">439: </a> *t = <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>;
<a name="line440">440: </a> } <font color="#4169E1">else</font> <font color="#4169E1">if</font> (!a && b) {
<a name="line441">441: </a> *t = <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line442">442: </a> } <font color="#4169E1">else</font> {
<a name="line443">443: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strcmp)</font>
<a name="line444">444: </a> *t = __builtin_strcmp(a, b) > 0 ? <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a> : <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line445">445: </a><font color="#A020F0">#else</font>
<a name="line446">446: </a> *t = strcmp(a, b) > 0 ? <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a> : <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line447">447: </a><font color="#A020F0">#endif</font>
<a name="line448">448: </a> }
<a name="line449">449: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line450">450: </a>}
<a name="line452">452: </a><font color="#B22222">/*@C</font>
<a name="line453">453: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a> - Locates first occurrence of a character in a string</font>
<a name="line455">455: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line457">457: </a><font color="#B22222"> Input Parameters:</font>
<a name="line458">458: </a><font color="#B22222">+ a - pointer to string</font>
<a name="line459">459: </a><font color="#B22222">- b - character</font>
<a name="line461">461: </a><font color="#B22222"> Output Parameter:</font>
<a name="line462">462: </a><font color="#B22222">. c - location of occurrence, `NULL` if not found</font>
<a name="line464">464: </a><font color="#B22222"> Level: intermediate</font>
<a name="line466">466: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a>()`, `<a href="../manualpages/Sys/PetscTokenCreate.html">PetscTokenCreate</a>()`, `<a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a>()`, `PetscStrbeginsswith()`</font>
<a name="line467">467: </a><font color="#B22222">@*/</font>
<a name="line468">468: </a><strong><font color="#4169E1"><a name="PetscStrchr"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a>(const char a[], char b, char *c[])</font></strong>
<a name="line469">469: </a>{
<a name="line470">470: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line471">471: </a> PetscAssertPointer_Private(a, 1);
<a name="line472">472: </a> PetscAssertPointer_Private(c, 3);
<a name="line473">473: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strchr)</font>
<a name="line474">474: </a> *c = (char *)__builtin_strchr(a, b);
<a name="line475">475: </a><font color="#A020F0">#else</font>
<a name="line476">476: </a> *c = (char *)strchr(a, b);
<a name="line477">477: </a><font color="#A020F0">#endif</font>
<a name="line478">478: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line479">479: </a>}
<a name="line481">481: </a><font color="#B22222">/*@C</font>
<a name="line482">482: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a> - Locates one location past the last occurrence of a character in a string, if</font>
<a name="line483">483: </a><font color="#B22222"> the character is not found then returns entire string</font>
<a name="line485">485: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line487">487: </a><font color="#B22222"> Input Parameters:</font>
<a name="line488">488: </a><font color="#B22222">+ a - pointer to string</font>
<a name="line489">489: </a><font color="#B22222">- b - character</font>
<a name="line491">491: </a><font color="#B22222"> Output Parameter:</font>
<a name="line492">492: </a><font color="#B22222">. c - one past location of `b` in `a`, or `a` if `b` was not found</font>
<a name="line494">494: </a><font color="#B22222"> Level: intermediate</font>
<a name="line496">496: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a>()`, `<a href="../manualpages/Sys/PetscTokenCreate.html">PetscTokenCreate</a>()`, `<a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a>()`, `PetscStrbeginsswith()`</font>
<a name="line497">497: </a><font color="#B22222">@*/</font>
<a name="line498">498: </a><strong><font color="#4169E1"><a name="PetscStrrchr"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a>(const char a[], char b, char *c[])</font></strong>
<a name="line499">499: </a>{
<a name="line500">500: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line501">501: </a> PetscAssertPointer_Private(a, 1);
<a name="line502">502: </a> PetscAssertPointer_Private(c, 3);
<a name="line503">503: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_strrchr)</font>
<a name="line504">504: </a> *c = (char *)__builtin_strrchr(a, b);
<a name="line505">505: </a><font color="#A020F0">#else</font>
<a name="line506">506: </a> *c = (char *)strrchr(a, b);
<a name="line507">507: </a><font color="#A020F0">#endif</font>
<a name="line508">508: </a> <font color="#4169E1">if</font> (!*c) *c = (char *)a;
<a name="line509">509: </a> <font color="#4169E1">else</font> *c = *c + 1;
<a name="line510">510: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line511">511: </a>}
<a name="line513">513: </a><font color="#B22222">/*@C</font>
<a name="line514">514: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a> - Determines if a string ends with a certain string</font>
<a name="line516">516: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line518">518: </a><font color="#B22222"> Input Parameters:</font>
<a name="line519">519: </a><font color="#B22222">+ a - string to search</font>
<a name="line520">520: </a><font color="#B22222">- b - string to end with</font>
<a name="line522">522: </a><font color="#B22222"> Output Parameter:</font>
<a name="line523">523: </a><font color="#B22222">. flg - `<a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>` if `a` ends with `b`, `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>` otherwise</font>
<a name="line525">525: </a><font color="#B22222"> Level: intermediate</font>
<a name="line527">527: </a><font color="#B22222"> Note:</font>
<a name="line528">528: </a><font color="#B22222"> Both `a` and `b` may be `NULL` (in which case `flg` is set to `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>`) bot not either.</font>
<a name="line530">530: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrendswithwhich.html">PetscStrendswithwhich</a>()`, `<a href="../manualpages/Sys/PetscStrbeginswith.html">PetscStrbeginswith</a>()`, `<a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a>`,</font>
<a name="line531">531: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a>()`, `<a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a>()`, `<a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a>()`, `<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>()`, `<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>()`,</font>
<a name="line532">532: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>()`</font>
<a name="line533">533: </a><font color="#B22222">@*/</font>
<a name="line534">534: </a><strong><font color="#4169E1"><a name="PetscStrendswith"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a>(const char a[], const char b[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *flg)</font></strong>
<a name="line535">535: </a>{
<a name="line536">536: </a> size_t na = 0, nb = 0;
<a name="line538">538: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line539">539: </a> PetscAssertPointer_Private(flg, 3);
<a name="line540">540: </a> <font color="#B22222">// do this here to silence stupid "may be used uninitialized"" warnings</font>
<a name="line541">541: </a> *flg = <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line542">542: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>(a, &na));
<a name="line543">543: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>(b, &nb));
<a name="line544">544: </a> <font color="#4169E1">if</font> (na >= nb) {
<a name="line545">545: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscHasBuiltin.html">PetscHasBuiltin</a>(__builtin_memcmp)</font>
<a name="line546">546: </a> *flg = __builtin_memcmp(b, a + (na - nb), nb) == 0 ? <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a> : <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line547">547: </a><font color="#A020F0">#else</font>
<a name="line548">548: </a> *flg = memcmp(b, a + (na - nb), nb) == 0 ? <a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a> : <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line549">549: </a><font color="#A020F0">#endif</font>
<a name="line550">550: </a> }
<a name="line551">551: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line552">552: </a>}
<a name="line554">554: </a><font color="#B22222">/*@C</font>
<a name="line555">555: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscStrbeginswith.html">PetscStrbeginswith</a> - Determines if a string begins with a certain string</font>
<a name="line557">557: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line559">559: </a><font color="#B22222"> Input Parameters:</font>
<a name="line560">560: </a><font color="#B22222">+ a - string to search</font>
<a name="line561">561: </a><font color="#B22222">- b - string to begin with</font>
<a name="line563">563: </a><font color="#B22222"> Output Parameter:</font>
<a name="line564">564: </a><font color="#B22222">. flg - `<a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>` if `a` begins with `b`, `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>` otherwise</font>
<a name="line566">566: </a><font color="#B22222"> Level: intermediate</font>
<a name="line568">568: </a><font color="#B22222"> Notes:</font>
<a name="line569">569: </a><font color="#B22222"> Both `a` and `b` may be `NULL` (in which case `flg` is set to `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>`) but not</font>
<a name="line570">570: </a><font color="#B22222"> either.</font>
<a name="line572">572: </a><font color="#B22222"> `a` and `b` may point to the same string.</font>
<a name="line574">574: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscStrendswithwhich.html">PetscStrendswithwhich</a>()`, `<a href="../manualpages/Sys/PetscStrendswith.html">PetscStrendswith</a>()`, `<a href="../manualpages/Sys/PetscStrtoupper.html">PetscStrtoupper</a>`,</font>
<a name="line575">575: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrtolower.html">PetscStrtolower</a>()`, `<a href="../manualpages/Sys/PetscStrrchr.html">PetscStrrchr</a>()`, `<a href="../manualpages/Sys/PetscStrchr.html">PetscStrchr</a>()`, `<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>()`, `<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>()`,</font>
<a name="line576">576: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscStrcmp.html">PetscStrcmp</a>()`</font>
<a name="line577">577: </a><font color="#B22222">@*/</font>
<a name="line578">578: </a><strong><font color="#4169E1"><a name="PetscStrbeginswith"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscStrbeginswith.html">PetscStrbeginswith</a>(const char a[], const char b[], <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *flg)</font></strong>
<a name="line579">579: </a>{
<a name="line580">580: </a> size_t len = 0;
<a name="line582">582: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line583">583: </a> PetscAssertPointer_Private(flg, 3);
<a name="line584">584: </a> <font color="#B22222">// do this here to silence stupid "may be used uninitialized"" warnings</font>
<a name="line585">585: </a> *flg = <a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>;
<a name="line586">586: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscStrlen.html">PetscStrlen</a>(b, &len));
<a name="line587">587: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscStrncmp.html">PetscStrncmp</a>(a, b, len, flg));
<a name="line588">588: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line589">589: </a>}
<a name="line591">591: </a><strong><font color="#228B22">#undef PetscAssertPointer_Private</font></strong>
<a name="line593">593: </a><font color="#B22222">/*@C</font>
<a name="line594">594: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a> - Copies `n` bytes, beginning at location `b`, to the space</font>
<a name="line595">595: </a><font color="#B22222"> beginning at location `a`. Copying between regions that overlap will</font>
<a name="line596">596: </a><font color="#B22222"> take place correctly. Use `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()` if the locations do not overlap</font>
<a name="line598">598: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line600">600: </a><font color="#B22222"> Input Parameters:</font>
<a name="line601">601: </a><font color="#B22222">+ b - pointer to initial memory space</font>
<a name="line602">602: </a><font color="#B22222">. a - pointer to copy space</font>
<a name="line603">603: </a><font color="#B22222">- n - length (in bytes) of space to copy</font>
<a name="line605">605: </a><font color="#B22222"> Level: intermediate</font>
<a name="line607">607: </a><font color="#B22222"> Notes:</font>
<a name="line608">608: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>()` is preferred</font>
<a name="line610">610: </a><font color="#B22222"> This routine is analogous to `memmove()`.</font>
<a name="line612">612: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`, `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`, `<a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>()`, `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`,</font>
<a name="line613">613: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>()`</font>
<a name="line614">614: </a><font color="#B22222">@*/</font>
<a name="line615">615: </a><strong><font color="#4169E1"><a name="PetscMemmove"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>(void *a, const void *b, size_t n)</font></strong>
<a name="line616">616: </a>{
<a name="line617">617: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line618">618: </a> <font color="#4169E1">if</font> (<a href="../manualpages/Sys/PetscUnlikely.html">PetscUnlikely</a>((n == 0) || (a == b))) <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line619">619: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(a, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, <font color="#666666">"Trying to copy %zu bytes to null pointer (Argument #1)"</font>, n);
<a name="line620">620: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(b, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, <font color="#666666">"Trying to copy %zu bytes from a null pointer (Argument #2)"</font>, n);
<a name="line621">621: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(HAVE_MEMMOVE)</font>
<a name="line622">622: </a> memmove((char *)a, (const char *)b, n);
<a name="line623">623: </a><font color="#A020F0">#else</font>
<a name="line624">624: </a> <font color="#4169E1">if</font> (a < b) {
<a name="line625">625: </a> <font color="#4169E1">if</font> ((char *)a <= (char *)b - n) {
<a name="line626">626: </a> memcpy(a, b, n);
<a name="line627">627: </a> } <font color="#4169E1">else</font> {
<a name="line628">628: </a> const size_t ptr_diff = (size_t)((char *)b - (char *)a);
<a name="line630">630: </a> memcpy(a, b, ptr_diff);
<a name="line631">631: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>((void *)b, (char *)b + ptr_diff, n - ptr_diff));
<a name="line632">632: </a> }
<a name="line633">633: </a> } <font color="#4169E1">else</font> {
<a name="line634">634: </a> <font color="#4169E1">if</font> ((char *)b <= (char *)a - n) {
<a name="line635">635: </a> memcpy(a, b, n);
<a name="line636">636: </a> } <font color="#4169E1">else</font> {
<a name="line637">637: </a> const size_t ptr_diff = (size_t)((char *)a - (char *)b);
<a name="line639">639: </a> memcpy((void *)((char *)b + n), (char *)b + (n - ptr_diff), ptr_diff);
<a name="line640">640: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>(a, b, n - ptr_diff));
<a name="line641">641: </a> }
<a name="line642">642: </a> }
<a name="line643">643: </a><font color="#A020F0">#endif</font>
<a name="line644">644: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line645">645: </a>}
<a name="line647">647: </a><font color="#B22222">/*@C</font>
<a name="line648">648: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a> - Copies `n` bytes, beginning at location `b`, to the space</font>
<a name="line649">649: </a><font color="#B22222"> beginning at location `a`. The two memory regions CANNOT overlap, use</font>
<a name="line650">650: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()` in that case.</font>
<a name="line652">652: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line654">654: </a><font color="#B22222"> Input Parameters:</font>
<a name="line655">655: </a><font color="#B22222">+ b - pointer to initial memory space</font>
<a name="line656">656: </a><font color="#B22222">- n - length (in bytes) of space to copy</font>
<a name="line658">658: </a><font color="#B22222"> Output Parameter:</font>
<a name="line659">659: </a><font color="#B22222">. a - pointer to copy space</font>
<a name="line661">661: </a><font color="#B22222"> Level: intermediate</font>
<a name="line663">663: </a><font color="#B22222"> Compile Options\:</font>
<a name="line664">664: </a><font color="#B22222">+ `PETSC_PREFER_DCOPY_FOR_MEMCPY` - cause the BLAS `dcopy()` routine to be used for memory copies on double precision values.</font>
<a name="line665">665: </a><font color="#B22222">. `PETSC_PREFER_COPY_FOR_MEMCPY` - cause C code to be used for memory copies on double precision values.</font>
<a name="line666">666: </a><font color="#B22222">- `PETSC_PREFER_FORTRAN_FORMEMCPY` - cause Fortran code to be used for memory copies on double precision values.</font>
<a name="line668">668: </a><font color="#B22222"> Notes:</font>
<a name="line669">669: </a><font color="#B22222"> Prefer `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`</font>
<a name="line671">671: </a><font color="#B22222"> This routine is analogous to `memcpy()`.</font>
<a name="line673">673: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`, `<a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>()`, `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`, `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`</font>
<a name="line674">674: </a><font color="#B22222">@*/</font>
<a name="line675">675: </a><strong><font color="#4169E1"><a name="PetscMemcpy"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>(void *a, const void *b, size_t n)</font></strong>
<a name="line676">676: </a>{
<a name="line677">677: </a> const PETSC_UINTPTR_T al = (PETSC_UINTPTR_T)a;
<a name="line678">678: </a> const PETSC_UINTPTR_T bl = (PETSC_UINTPTR_T)b;
<a name="line680">680: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line681">681: </a> <font color="#4169E1">if</font> (<a href="../manualpages/Sys/PetscUnlikely.html">PetscUnlikely</a>((n == 0) || (a == b))) <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line682">682: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(a, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, <font color="#666666">"Trying to copy %zu bytes to a null pointer (Argument #1)"</font>, n);
<a name="line683">683: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(b, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, <font color="#666666">"Trying to copy %zu bytes from a null pointer (Argument #2)"</font>, n);
<a name="line684">684: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(!(((al > bl) && (al - bl) < n) || (bl - al) < n), <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_INCOMP</a>, <font color="#666666">"Memory regions overlap: either use <a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>(), or make sure your copy regions and lengths are correct. Length (bytes) %zu first address %"</font> PRIxPTR <font color="#666666">" second address %"</font> PRIxPTR, n, al, bl);
<a name="line685">685: </a> <font color="#4169E1">if</font> (<a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_DCOPY_FOR_MEMCPY) || <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_COPY_FOR_MEMCPY) || <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_FORTRAN_FORMEMCPY)) {
<a name="line686">686: </a> <font color="#4169E1">if</font> (!(al % <font color="#4169E1">sizeof</font>(<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>)) && !(n % <font color="#4169E1">sizeof</font>(<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>))) {
<a name="line687">687: </a> const size_t scalar_len = n / <font color="#4169E1">sizeof</font>(<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>);
<a name="line688">688: </a> const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *x = (<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *)b;
<a name="line689">689: </a> <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *y = (<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *)a;
<a name="line691">691: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_DCOPY_FOR_MEMCPY)</font>
<a name="line692">692: </a> {
<a name="line693">693: </a> const <a href="../manualpages/Sys/PetscBLASInt.html">PetscBLASInt</a> one = 1;
<a name="line694">694: </a> <a href="../manualpages/Sys/PetscBLASInt.html">PetscBLASInt</a> blen;
<a name="line696">696: </a> <a href="../manualpages/Sys/PetscCall.html">PetscCall</a>(<a href="../manualpages/Sys/PetscBLASIntCast.html">PetscBLASIntCast</a>(scalar_len, &blen));
<a name="line697">697: </a> <a href="../manualpages/Sys/PetscCallBLAS.html">PetscCallBLAS</a>(<font color="#666666">"BLAScopy"</font>, BLAScopy_(&blen, x, &one, y, &one));
<a name="line698">698: </a> }
<a name="line699">699: </a><font color="#A020F0">#elif <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_FORTRAN_FORMEMCPY)</font>
<a name="line700">700: </a> fortrancopy_(&scalar_len, x, y);
<a name="line701">701: </a><font color="#A020F0">#else</font>
<a name="line702">702: </a> <font color="#4169E1">for</font> (size_t i = 0; i < scalar_len; i++) y[i] = x[i];
<a name="line703">703: </a><font color="#A020F0">#endif</font>
<a name="line704">704: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line705">705: </a> }
<a name="line706">706: </a> }
<a name="line707">707: </a> memcpy(a, b, n);
<a name="line708">708: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line709">709: </a>}
<a name="line711">711: </a><font color="#B22222">/*@C</font>
<a name="line712">712: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a> - Zeros the specified memory.</font>
<a name="line714">714: </a><font color="#B22222"> Not Collective, No Fortran Support</font>
<a name="line716">716: </a><font color="#B22222"> Input Parameters:</font>
<a name="line717">717: </a><font color="#B22222">+ a - pointer to beginning memory location</font>
<a name="line718">718: </a><font color="#B22222">- n - length (in bytes) of memory to initialize</font>
<a name="line720">720: </a><font color="#B22222"> Level: intermediate</font>
<a name="line722">722: </a><font color="#B22222"> Compile Option:</font>
<a name="line723">723: </a><font color="#B22222"> `PETSC_PREFER_BZERO` - on certain machines (the IBM RS6000) the bzero() routine happens</font>
<a name="line724">724: </a><font color="#B22222"> to be faster than the memset() routine. This flag causes the bzero() routine to be used.</font>
<a name="line726">726: </a><font color="#B22222"> Note:</font>
<a name="line727">727: </a><font color="#B22222"> Prefer `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`</font>
<a name="line729">729: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`, `<a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>()`, `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`, `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`</font>
<a name="line730">730: </a><font color="#B22222">@*/</font>
<a name="line731">731: </a><strong><font color="#4169E1"><a name="PetscMemzero"></a>static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>(void *a, size_t n)</font></strong>
<a name="line732">732: </a>{
<a name="line733">733: </a> <a href="../manualpages/Sys/PetscFunctionBegin.html">PetscFunctionBegin</a>;
<a name="line734">734: </a> <font color="#4169E1">if</font> (<a href="../manualpages/Sys/PetscUnlikely.html">PetscUnlikely</a>(n == 0)) <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line735">735: </a> <a href="../manualpages/Sys/PetscAssert.html">PetscAssert</a>(a, <a href="../manualpages/Sys/PETSC_COMM_SELF.html">PETSC_COMM_SELF</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_NULL</a>, <font color="#666666">"Trying to zero %zu bytes at a null pointer"</font>, n);
<a name="line736">736: </a> <font color="#4169E1">if</font> (<a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_ZERO_FOR_MEMZERO) || <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_FORTRAN_FOR_MEMZERO)) {
<a name="line737">737: </a> <font color="#4169E1">if</font> (!(((PETSC_UINTPTR_T)a) % <font color="#4169E1">sizeof</font>(<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>)) && !(n % <font color="#4169E1">sizeof</font>(<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>))) {
<a name="line738">738: </a> const size_t scalar_len = n / <font color="#4169E1">sizeof</font>(<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>);
<a name="line739">739: </a> <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *x = (<a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> *)a;
<a name="line741">741: </a> <font color="#4169E1">if</font> (<a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_ZERO_FOR_MEMZERO)) {
<a name="line742">742: </a> <font color="#4169E1">for</font> (size_t i = 0; i < scalar_len; ++i) x[i] = 0;
<a name="line743">743: </a> } <font color="#4169E1">else</font> {
<a name="line744">744: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_FORTRAN_FOR_MEMZERO)</font>
<a name="line745">745: </a> fortranzero_(&scalar_len, x);
<a name="line746">746: </a><font color="#A020F0">#else</font>
<a name="line747">747: </a> (void)scalar_len;
<a name="line748">748: </a> (void)x;
<a name="line749">749: </a><font color="#A020F0">#endif</font>
<a name="line750">750: </a> }
<a name="line751">751: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line752">752: </a> }
<a name="line753">753: </a> }
<a name="line754">754: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(PREFER_BZERO)</font>
<a name="line755">755: </a> bzero(a, n);
<a name="line756">756: </a><font color="#A020F0">#else</font>
<a name="line757">757: </a> memset(a, 0, n);
<a name="line758">758: </a><font color="#A020F0">#endif</font>
<a name="line759">759: </a> <a href="../manualpages/Sys/PetscFunctionReturn.html">PetscFunctionReturn</a>(<a href="../manualpages/Sys/PetscErrorCode.html">PETSC_SUCCESS</a>);
<a name="line760">760: </a>}
<a name="line762">762: </a><font color="#B22222">/*MC</font>
<a name="line763">763: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a> - Compares two arrays in memory.</font>
<a name="line765">765: </a><font color="#B22222"> Synopsis:</font>
<a name="line766">766: </a>#include <A href="../include/petscstring.h.html"><petscstring.h></A>
<a name="line767">767: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>(const anytype *str1, const anytype *str2, size_t cnt, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *e)</font>
<a name="line769">769: </a><font color="#B22222"> Not Collective</font>
<a name="line771">771: </a><font color="#B22222"> Input Parameters:</font>
<a name="line772">772: </a><font color="#B22222">+ str1 - First array</font>
<a name="line773">773: </a><font color="#B22222">. str2 - Second array</font>
<a name="line774">774: </a><font color="#B22222">- cnt - Count of the array, not in bytes, but number of entries in the arrays</font>
<a name="line776">776: </a><font color="#B22222"> Output Parameter:</font>
<a name="line777">777: </a><font color="#B22222">. e - `<a href="../manualpages/Sys/PETSC_TRUE.html">PETSC_TRUE</a>` if equal else `<a href="../manualpages/Sys/PETSC_FALSE.html">PETSC_FALSE</a>`.</font>
<a name="line779">779: </a><font color="#B22222"> Level: intermediate</font>
<a name="line781">781: </a><font color="#B22222"> Notes:</font>
<a name="line782">782: </a><font color="#B22222"> This routine is a preferred replacement to `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`</font>
<a name="line784">784: </a><font color="#B22222"> The arrays must be of the same type</font>
<a name="line786">786: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`, `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`, `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`, `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`,</font>
<a name="line787">787: </a><font color="#B22222"> `<a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>()`</font>
<a name="line788">788: </a><font color="#B22222">M*/</font>
<a name="line789">789: </a><strong><font color="#228B22">#define <a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>(str1, str2, cnt, e) ((sizeof(*(str1)) == sizeof(*(str2))) ? <a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>((str1), (str2), (size_t)(cnt) * sizeof(*(str1)), (e)) : <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_SIZ</a>)</font></strong>
<a name="line791">791: </a><font color="#B22222">/*MC</font>
<a name="line792">792: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a> - Copies from one array in memory to another, the arrays may overlap. Use `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()` when the arrays</font>
<a name="line793">793: </a><font color="#B22222"> do not overlap</font>
<a name="line795">795: </a><font color="#B22222"> Synopsis:</font>
<a name="line796">796: </a>#include <A href="../include/petscstring.h.html"><petscstring.h></A>
<a name="line797">797: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>(anytype *str1, const anytype *str2, size_t cnt)</font>
<a name="line799">799: </a><font color="#B22222"> Not Collective</font>
<a name="line801">801: </a><font color="#B22222"> Input Parameters:</font>
<a name="line802">802: </a><font color="#B22222">+ str1 - First array</font>
<a name="line803">803: </a><font color="#B22222">. str2 - Second array</font>
<a name="line804">804: </a><font color="#B22222">- cnt - Count of the array, not in bytes, but number of entries in the arrays</font>
<a name="line806">806: </a><font color="#B22222"> Level: intermediate</font>
<a name="line808">808: </a><font color="#B22222"> Notes:</font>
<a name="line809">809: </a><font color="#B22222"> This routine is a preferred replacement to `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`</font>
<a name="line811">811: </a><font color="#B22222"> The arrays must be of the same type</font>
<a name="line813">813: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`, `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`, `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`, `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`, `<a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`</font>
<a name="line814">814: </a><font color="#B22222">M*/</font>
<a name="line815">815: </a><strong><font color="#228B22">#define <a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>(str1, str2, cnt) ((sizeof(*(str1)) == sizeof(*(str2))) ? <a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>((str1), (str2), (size_t)(cnt) * sizeof(*(str1))) : <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_SIZ</a>)</font></strong>
<a name="line817">817: </a><font color="#B22222">/*MC</font>
<a name="line818">818: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a> - Copies from one array in memory to another</font>
<a name="line820">820: </a><font color="#B22222"> Synopsis:</font>
<a name="line821">821: </a>#include <A href="../include/petscstring.h.html"><petscstring.h></A>
<a name="line822">822: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>(anytype *str1, const anytype *str2, size_t cnt)</font>
<a name="line824">824: </a><font color="#B22222"> Not Collective</font>
<a name="line826">826: </a><font color="#B22222"> Input Parameters:</font>
<a name="line827">827: </a><font color="#B22222">+ str1 - First array (destination)</font>
<a name="line828">828: </a><font color="#B22222">. str2 - Second array (source)</font>
<a name="line829">829: </a><font color="#B22222">- cnt - Count of the array, not in bytes, but number of entries in the arrays</font>
<a name="line831">831: </a><font color="#B22222"> Level: intermediate</font>
<a name="line833">833: </a><font color="#B22222"> Notes:</font>
<a name="line834">834: </a><font color="#B22222"> This routine is a preferred replacement to `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`</font>
<a name="line836">836: </a><font color="#B22222"> The arrays must be of the same type</font>
<a name="line838">838: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>()`, `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`, `<a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>()`, `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`, `<a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`</font>
<a name="line839">839: </a><font color="#B22222">M*/</font>
<a name="line840">840: </a><strong><font color="#228B22">#define <a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>(str1, str2, cnt) ((sizeof(*(str1)) == sizeof(*(str2))) ? <a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>((str1), (str2), (size_t)(cnt) * sizeof(*(str1))) : <a href="../manualpages/Sys/PetscErrorCode.html">PETSC_ERR_ARG_SIZ</a>)</font></strong>
<a name="line842">842: </a><font color="#B22222">/*MC</font>
<a name="line843">843: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a> - Zeros an array in memory.</font>
<a name="line845">845: </a><font color="#B22222"> Synopsis:</font>
<a name="line846">846: </a>#include <A href="../include/petscstring.h.html"><petscstring.h></A>
<a name="line847">847: </a><font color="#B22222"> <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>(anytype *str1, size_t cnt)</font>
<a name="line849">849: </a><font color="#B22222"> Not Collective</font>
<a name="line851">851: </a><font color="#B22222"> Input Parameters:</font>
<a name="line852">852: </a><font color="#B22222">+ str1 - array</font>
<a name="line853">853: </a><font color="#B22222">- cnt - Count of the array, not in bytes, but number of entries in the array</font>
<a name="line855">855: </a><font color="#B22222"> Level: intermediate</font>
<a name="line857">857: </a><font color="#B22222"> Note:</font>
<a name="line858">858: </a><font color="#B22222"> This routine is a preferred replacement to `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`</font>
<a name="line860">860: </a><font color="#B22222">.seealso: `<a href="../manualpages/Sys/PetscMemcpy.html">PetscMemcpy</a>()`, `<a href="../manualpages/Sys/PetscMemcmp.html">PetscMemcmp</a>()`, `<a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>()`, `<a href="../manualpages/Sys/PetscArraycmp.html">PetscArraycmp</a>()`, `<a href="../manualpages/Sys/PetscArraycpy.html">PetscArraycpy</a>()`, `<a href="../manualpages/Sys/PetscMemmove.html">PetscMemmove</a>()`, `<a href="../manualpages/Sys/PetscStrallocpy.html">PetscStrallocpy</a>()`, `<a href="../manualpages/Sys/PetscArraymove.html">PetscArraymove</a>()`</font>
<a name="line861">861: </a><font color="#B22222">M*/</font>
<a name="line862">862: </a><strong><font color="#228B22">#define <a href="../manualpages/Sys/PetscArrayzero.html">PetscArrayzero</a>(str1, cnt) <a href="../manualpages/Sys/PetscMemzero.html">PetscMemzero</a>((str1), ((size_t)(cnt)) * sizeof(*(str1)))</font></strong>
</pre>
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