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/* $Id: ncbi_util.c,v 6.81 2012/02/29 20:14:34 kazimird Exp $
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Denis Vakatov, Anton Lavrentiev
*
* File Description:
* Auxiliary (optional) code mostly to support "ncbi_core.[ch]"
*
*/
#include "ncbi_ansi_ext.h"
#include "ncbi_priv.h"
#ifndef NCBI_CXX_TOOLKIT
# include <ncbistd.h>
# include <ncbimisc.h>
# include <ncbitime.h>
#else
# include <ctype.h>
# include <errno.h>
# include <stdlib.h>
# include <time.h>
#endif
#if defined(NCBI_OS_UNIX)
# ifndef HAVE_GETPWUID
# error "HAVE_GETPWUID is undefined on a UNIX system!"
# endif /*!HAVE_GETPWUID*/
# ifndef NCBI_OS_SOLARIS
# include <limits.h>
# endif
# include <pwd.h>
# include <unistd.h>
# include <sys/stat.h>
#endif /*NCBI_OS_UNIX*/
#if defined(NCBI_OS_MSWIN) || defined(NCBI_OS_CYGWIN)
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif /*NCBI_OS_MSWIN || NCBI_OS_CYGWIN*/
#define NCBI_USE_ERRCODE_X Connect_Util
#define NCBI_USE_PRECOMPILED_CRC32_TABLES 1
/******************************************************************************
* MT locking
*/
extern void CORE_SetLOCK(MT_LOCK lk)
{
MT_LOCK old_lk = g_CORE_MT_Lock;
g_CORE_MT_Lock = lk;
if (old_lk && old_lk != lk) {
MT_LOCK_Delete(old_lk);
}
}
extern MT_LOCK CORE_GetLOCK(void)
{
return g_CORE_MT_Lock;
}
/******************************************************************************
* ERROR HANDLING and LOGGING
*/
extern void CORE_SetLOG(LOG lg)
{
LOG old_lg;
CORE_LOCK_WRITE;
old_lg = g_CORE_Log;
g_CORE_Log = lg;
CORE_UNLOCK;
if (old_lg && old_lg != lg) {
LOG_Delete(old_lg);
}
}
extern LOG CORE_GetLOG(void)
{
return g_CORE_Log;
}
extern void CORE_SetLOGFILE_Ex
(FILE* fp,
ELOG_Level cut_off,
int/*bool*/ auto_close
)
{
LOG lg = LOG_Create(0, 0, 0, 0);
LOG_ToFILE_Ex(lg, fp, cut_off, auto_close);
CORE_SetLOG(lg);
}
extern void CORE_SetLOGFILE
(FILE* fp,
int/*bool*/ auto_close)
{
CORE_SetLOGFILE_Ex(fp, eLOG_Trace, auto_close);
}
extern int/*bool*/ CORE_SetLOGFILE_NAME_Ex
(const char* filename,
ELOG_Level cut_off)
{
FILE* fp = fopen(filename, "a");
if (!fp) {
CORE_LOGF_ERRNO_X(1, eLOG_Error, errno,
("Cannot open \"%s\"", filename));
return 0/*false*/;
}
CORE_SetLOGFILE_Ex(fp, cut_off, 1/*true*/);
return 1/*true*/;
}
extern int/*bool*/ CORE_SetLOGFILE_NAME
(const char* filename
)
{
return CORE_SetLOGFILE_NAME_Ex(filename, eLOG_Trace);
}
static TLOG_FormatFlags s_LogFormatFlags = fLOG_Default;
extern TLOG_FormatFlags CORE_SetLOGFormatFlags(TLOG_FormatFlags flags)
{
TLOG_FormatFlags old_flags = s_LogFormatFlags;
s_LogFormatFlags = flags;
return old_flags;
}
#ifdef __GNUC__
inline
#endif /*__GNUC__*/
static int/*bool*/ s_IsQuoted(unsigned char c)
{
return (c == '\t' || c == '\v' || c == '\b' ||
c == '\r' || c == '\f' || c == '\a' ||
c == '\n' || c == '\\' || c == '\'' ||
c == '"' ? 1/*true*/ : 0/*false*/);
}
extern size_t UTIL_PrintableStringSize(const char* data, size_t size)
{
const unsigned char* c;
size_t retval;
if (!data)
return 0;
if (!size)
size = strlen(data);
retval = size;
for (c = (const unsigned char*) data; size; size--, c++) {
if (*c == '\n')
retval += 3;
else if (s_IsQuoted(*c))
retval++;
else if (!isprint(*c))
retval += 3;
}
return retval;
}
extern char* UTIL_PrintableString(const char* data, size_t size,
char* buf, int/*bool*/ full_octal)
{
const unsigned char* s;
unsigned char* d;
if (!data || !buf)
return 0;
if (!size)
size = strlen(data);
d = (unsigned char*) buf;
for (s = (const unsigned char*) data; size; size--, s++) {
switch (*s) {
case '\t':
*d++ = '\\';
*d++ = 't';
continue;
case '\v':
*d++ = '\\';
*d++ = 'v';
continue;
case '\b':
*d++ = '\\';
*d++ = 'b';
continue;
case '\r':
*d++ = '\\';
*d++ = 'r';
continue;
case '\f':
*d++ = '\\';
*d++ = 'f';
continue;
case '\a':
*d++ = '\\';
*d++ = 'a';
continue;
case '\n':
*d++ = '\\';
*d++ = 'n';
/*FALLTHRU*/
case '\\':
case '\'':
case '"':
*d++ = '\\';
break;
default:
if (!isprint(*s)) {
int/*bool*/ reduce;
unsigned char v;
if (full_octal)
reduce = 0/*false*/;
else {
reduce = (size == 1 || s_IsQuoted(s[1]) ||
!isprint(s[1]) || s[1] < '0' || s[1] > '7');
}
*d++ = '\\';
v = *s >> 6;
if (v || !reduce) {
*d++ = '0' + v;
reduce = 0;
}
v = (*s >> 3) & 7;
if (v || !reduce)
*d++ = '0' + v;
v = *s & 7;
*d++ = '0' + v;
continue;
}
break;
}
*d++ = (char) *s;
}
return (char*) d;
}
extern const char* NcbiMessagePlusError
(int/*bool*/ *dynamic,
const char* message,
int error,
const char* descr)
{
char* buf;
size_t mlen;
size_t dlen;
int/*bool*/ release = 0/*false*/;
/* Check for an empty addition */
if (!error && (!descr || !*descr)) {
if (message)
return message;
*dynamic = 0/*false*/;
return "";
}
/* Adjust description, if necessary and possible */
if (error >=0 && !descr) {
#if defined(NCBI_OS_MSWIN) && defined(_UNICODE)
descr = UTIL_TcharToUtf8( _wcserror(error) );
release = 1/*true*/;
#else
descr = strerror(error);
#endif /*NCBI_OS_MSWIN && _UNICODE*/
}
if (!descr) {
descr = "";
}
dlen = strlen(descr);
while (dlen && isspace((unsigned char) descr[dlen - 1]))
dlen--;
if (dlen > 1 && descr[dlen - 1] == '.')
dlen--;
mlen = message ? strlen(message) : 0;
if (!(buf = (char*)(*dynamic && message
? realloc((void*) message, mlen + dlen + 40)
: malloc ( mlen + dlen + 40)))) {
if (*dynamic && message)
free((void*) message);
*dynamic = 0;
if (release)
UTIL_ReleaseBuffer(descr);
return "Ouch! Out of memory";
}
if (message) {
if (!*dynamic)
memcpy(buf, message, mlen);
buf[mlen++] = ' ';
}
memcpy(buf + mlen, "{error=", 7);
mlen += 7;
if (error)
mlen += sprintf(buf + mlen, "%d%s", error, "," + !*descr);
memcpy((char*) memcpy(buf + mlen, descr, dlen) + dlen, "}", 2);
if (release)
UTIL_ReleaseBuffer(descr);
*dynamic = 1/*true*/;
return buf;
}
extern char* LOG_ComposeMessage
(const SLOG_Handler* call_data,
TLOG_FormatFlags format_flags)
{
static const char kRawData_Begin[] =
"\n#################### [BEGIN] Raw Data (%lu byte%s):\n";
static const char kRawData_End[] =
"\n#################### [END] Raw Data\n";
char *str, *s, datetime[32];
const char* level = 0;
/* Calculated length of ... */
size_t datetime_len = 0;
size_t level_len = 0;
size_t file_line_len = 0;
size_t module_len = 0;
size_t message_len = 0;
size_t data_len = 0;
size_t total_len;
/* Adjust formatting flags */
if (call_data->level == eLOG_Trace && !(format_flags & fLOG_None))
format_flags |= fLOG_Full;
if (format_flags == fLOG_Default) {
#if defined(NDEBUG) && !defined(_DEBUG)
format_flags = fLOG_Short;
#else
format_flags = fLOG_Full;
#endif /*NDEBUG && !_DEBUG*/
}
/* Pre-calculate total message length */
if ((format_flags & fLOG_DateTime) != 0) {
#ifdef NCBI_OS_MSWIN /*Should be compiler-dependent but C-Tkit lacks it*/
_strdate(&datetime[datetime_len]);
datetime_len += strlen(&datetime[datetime_len]);
datetime[datetime_len++] = ' ';
_strtime(&datetime[datetime_len]);
datetime_len += strlen(&datetime[datetime_len]);
datetime[datetime_len++] = ' ';
datetime[datetime_len] = '\0';
#else /*NCBI_OS_MSWIN*/
static const char timefmt[] = "%m/%d/%y %H:%M:%S ";
struct tm* tm;
# ifdef NCBI_CXX_TOOLKIT
time_t t = time(0);
# ifdef HAVE_LOCALTIME_R
struct tm temp;
localtime_r(&t, &temp);
tm = &temp;
# else /*HAVE_LOCALTIME_R*/
tm = localtime(&t);
# endif/*HAVE_LOCALTIME_R*/
# else /*NCBI_CXX_TOOLKIT*/
struct tm temp;
Nlm_GetDayTime(&temp);
tm = &temp;
# endif /*NCBI_CXX_TOOLKIT*/
datetime_len = strftime(datetime, sizeof(datetime), timefmt, tm);
#endif /*NCBI_OS_MSWIN*/
}
if ((format_flags & fLOG_Level) != 0
&& (call_data->level != eLOG_Note
|| !(format_flags & fLOG_OmitNoteLevel))) {
level = LOG_LevelStr(call_data->level);
level_len = strlen(level) + 2;
}
if ((format_flags & fLOG_Module) != 0 &&
call_data->module && *call_data->module) {
module_len = strlen(call_data->module) + 3;
}
if ((format_flags & fLOG_FileLine) != 0 &&
call_data->file && *call_data->file) {
file_line_len = 12 + strlen(call_data->file) + 11;
}
if (call_data->message && *call_data->message) {
message_len = strlen(call_data->message);
}
if (call_data->raw_size) {
data_len = (sizeof(kRawData_Begin) + 20
+ UTIL_PrintableStringSize((const char*)
call_data->raw_data,
call_data->raw_size) +
sizeof(kRawData_End));
}
/* Allocate memory for the resulting message */
total_len = (datetime_len + file_line_len + module_len
+ level_len + message_len + data_len);
if (!(str = (char*) malloc(total_len + 1))) {
assert(0);
return 0;
}
s = str;
/* Compose the message */
if (datetime_len) {
memcpy(s, datetime, datetime_len);
s += datetime_len;
}
if (file_line_len) {
s += sprintf(s, "\"%s\", line %d: ",
call_data->file, (int) call_data->line);
}
if (module_len) {
*s++ = '[';
memcpy(s, call_data->module, module_len -= 3);
s += module_len;
*s++ = ']';
*s++ = ' ';
}
if (level_len) {
memcpy(s, level, level_len -= 2);
s += level_len;
*s++ = ':';
*s++ = ' ';
}
if (message_len) {
memcpy(s, call_data->message, message_len);
s += message_len;
}
if (data_len) {
s += sprintf(s, kRawData_Begin,
(unsigned long) call_data->raw_size,
&"s"[call_data->raw_size == 1]);
s = UTIL_PrintableString((const char*)
call_data->raw_data,
call_data->raw_size,
s, format_flags & fLOG_FullOctal);
memcpy(s, kRawData_End, sizeof(kRawData_End));
} else
*s = '\0';
assert(strlen(str) <= total_len);
return str;
}
typedef struct {
FILE* fp;
int/*bool*/ cut_off;
int/*bool*/ auto_close;
} SLogData;
/* Callback for LOG_ToFILE[_Ex]() */
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
static void s_LOG_FileHandler(void* user_data, SLOG_Handler* call_data)
{
SLogData* data = (SLogData*) user_data;
assert(data && data->fp);
assert(call_data);
if (call_data->level >= data->cut_off || call_data->level == eLOG_Fatal){
char* str = LOG_ComposeMessage(call_data, s_LogFormatFlags);
if (str) {
fprintf(data->fp, "%s\n", str);
fflush(data->fp);
free(str);
}
}
}
#ifdef __cplusplus
}
#endif /*__cplusplus*/
/* Callback for LOG_ToFILE[_Ex]() */
#ifdef __cplusplus
extern "C" {
#endif /*__cplusplus*/
static void s_LOG_FileCleanup(void* user_data)
{
SLogData* data = (SLogData*) user_data;
assert(data && data->fp);
if (data->auto_close)
fclose(data->fp);
else
fflush(data->fp);
free(user_data);
}
#ifdef __cplusplus
}
#endif /*__cplusplus*/
extern void LOG_ToFILE_Ex
(LOG lg,
FILE* fp,
ELOG_Level cut_off,
int/*bool*/ auto_close
)
{
SLogData* data = (SLogData*)(fp ? malloc(sizeof(*data)) : 0);
if (data) {
data->fp = fp;
data->cut_off = cut_off;
data->auto_close = auto_close;
LOG_Reset(lg, data, s_LOG_FileHandler, s_LOG_FileCleanup);
} else {
LOG_Reset(lg, 0/*data*/, 0/*handler*/, 0/*cleanup*/);
}
}
extern void LOG_ToFILE
(LOG lg,
FILE* fp,
int/*bool*/ auto_close
)
{
LOG_ToFILE_Ex(lg, fp, eLOG_Trace, auto_close);
}
/******************************************************************************
* REGISTRY
*/
extern void CORE_SetREG(REG rg)
{
REG old_rg;
CORE_LOCK_WRITE;
old_rg = g_CORE_Registry;
g_CORE_Registry = rg;
CORE_UNLOCK;
if (old_rg && old_rg != rg) {
REG_Delete(old_rg);
}
}
extern REG CORE_GetREG(void)
{
return g_CORE_Registry;
}
/******************************************************************************
* CORE_GetNcbiSid
*/
extern const char* CORE_GetNcbiSid(void)
{
return g_CORE_GetSid ? g_CORE_GetSid() : getenv("HTTP_NCBI_SID");
}
/******************************************************************************
* CORE_GetAppName
*/
extern const char* CORE_GetAppName(void)
{
const char* an;
return !g_CORE_GetAppName || !(an = g_CORE_GetAppName()) ? "" : an;
}
/******************************************************************************
* CORE_GetPlatform
*/
extern const char* CORE_GetPlatform(void)
{
#ifndef NCBI_CXX_TOOLKIT
return Nlm_PlatformName();
#else
return HOST;
#endif /*NCBI_CXX_TOOLKIT*/
}
/****************************************************************************
* CORE_GetUsername
*/
static char* x_Savestr(const char* str, char* buf, size_t bufsize)
{
assert(str);
if (buf) {
size_t len = strlen(str);
if (len++ < bufsize)
return (char*) memcpy(buf, str, len);
errno = ERANGE;
} else
errno = EINVAL;
return 0;
}
extern const char* CORE_GetUsername(char* buf, size_t bufsize)
{
#if defined(NCBI_OS_UNIX)
struct passwd* pwd;
struct stat st;
uid_t uid;
# ifndef NCBI_OS_SOLARIS
# define NCBI_GETUSERNAME_MAXBUFSIZE 1024
# ifdef HAVE_GETLOGIN_R
# ifndef LOGIN_NAME_MAX
# ifdef _POSIX_LOGIN_NAME_MAX
# define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX
# else
# define LOGIN_NAME_MAX 256
# endif /*_POSIX_LOGIN_NAME_MAX*/
# endif /*!LOGIN_NAME_MAX*/
# define NCBI_GETUSERNAME_BUFSIZE LOGIN_NAME_MAX
# endif /*HAVE_GETLOGIN_R*/
# ifdef NCBI_HAVE_GETPWUID_R
# ifndef NCBI_GETUSERNAME_BUFSIZE
# define NCBI_GETUSERNAME_BUFSIZE NCBI_GETUSERNAME_MAXBUFSIZE
# else
# if NCBI_GETUSERNAME_BUFSIZE < NCBI_GETUSERNAME_MAXBUFSIZE
# undef NCBI_GETUSERNAME_BUFSIZE
# define NCBI_GETUSERNAME_BUFSIZE NCBI_GETUSERNAME_MAXBUFSIZE
# endif /* NCBI_GETUSERNAME_BUFSIZE < NCBI_GETUSERNAME_MAXBUFSIZE */
# endif /*NCBI_GETUSERNAME_BUFSIZE*/
# endif /*NCBI_HAVE_GETPWUID_R*/
# ifdef NCBI_GETUSERNAME_BUFSIZE
char temp [NCBI_GETUSERNAME_BUFSIZE + sizeof(*pwd)];
# endif /* NCBI_GETUSERNAME_BUFSIZE */
# endif /*!NCBI_OS_SOLARIS*/
#elif defined(NCBI_OS_MSWIN)
TCHAR temp [256 + 1];
DWORD size = sizeof(temp)/sizeof(temp[0]) - 1;
#endif /*NCBI_OS*/
const char* login;
assert(buf && bufsize);
#ifndef NCBI_OS_UNIX
# ifdef NCBI_OS_MSWIN
if (GetUserName(temp, &size)) {
assert(size < sizeof(temp)/sizeof(temp[0]));
temp[size] = (TCHAR) 0;
login = UTIL_TcharToUtf8(temp);
buf = x_Savestr(login, buf, bufsize);
UTIL_ReleaseBuffer(login);
return buf;
}
if ((login = getenv("USERNAME")) != 0)
return x_Savestr(login, buf, bufsize);
# endif /*NCBI_OS_MSWIN*/
#else
/* NOTE: getlogin() is not a very reliable call at least on Linux
* especially if programs mess up with "utmp": since getlogin() first
* calls ttyname() to get the line name for FD 0, then searches "utmp"
* for the record of this line and returns the user name, any discrepancy
* can cause a false (stale) name to be returned. So we use getlogin()
* here only as a fallback.
*/
if (!isatty(STDIN_FILENO) || fstat(STDIN_FILENO, &st) < 0) {
# if defined(NCBI_OS_SOLARIS) || !defined(HAVE_GETLOGIN_R)
/* NB: getlogin() is MT-safe on Solaris, yet getlogin_r() comes in two
* flavors that differ only in return type, so to make things simpler,
* use plain getlogin() here */
# ifndef NCBI_OS_SOLARIS
CORE_LOCK_WRITE;
# endif /*!NCBI_OS_SOLARIS*/
if ((login = getlogin()) != 0)
buf = x_Savestr(login, buf, bufsize);
# ifndef NCBI_OS_SOLARIS
CORE_UNLOCK;
# endif /*!NCBI_OS_SOLARIS*/
if (login)
return buf;
# else
if (getlogin_r(temp, sizeof(temp) - 1) == 0) {
temp[sizeof(temp) - 1] = '\0';
return x_Savestr(temp, buf, bufsize);
}
# endif /*NCBI_OS_SOLARIS || !HAVE_GETLOGIN_R*/
uid = getuid();
} else
uid = st.st_uid;
# if defined(NCBI_OS_SOLARIS) || !defined(NCBI_HAVE_GETPWUID_R)
/* NB: getpwuid() is MT-safe on Solaris, so use it here, if available */
# ifndef NCBI_OS_SOLARIS
CORE_LOCK_WRITE;
# endif /*!NCBI_OS_SOLARIS*/
if ((pwd = getpwuid(uid)) != 0) {
if (pwd->pw_name)
buf = x_Savestr(pwd->pw_name, buf, bufsize);
else
pwd = 0;
}
# ifndef NCBI_OS_SOLARIS
CORE_UNLOCK;
# endif /*!NCBI_OS_SOLARIS*/
if (pwd)
return buf;
# elif defined(NCBI_HAVE_GETPWUID_R)
# if NCBI_HAVE_GETPWUID_R == 4
/* obsolete but still existent */
pwd = getpwuid_r(uid, (struct passwd*) temp, temp + sizeof(*pwd),
sizeof(temp) - sizeof(*pwd));
# elif NCBI_HAVE_GETPWUID_R == 5
/* POSIX-conforming */
if (getpwuid_r(uid, (struct passwd*) temp, temp + sizeof(*pwd),
sizeof(temp) - sizeof(*pwd), &pwd) != 0) {
pwd = 0;
}
# else
# error "Unknown value of NCBI_HAVE_GETPWUID_R: 4 or 5 expected."
# endif /*NCBI_HAVE_GETPWUID_R*/
if (pwd && pwd->pw_name)
return x_Savestr(pwd->pw_name, buf, bufsize);
# endif /*NCBI_HAVE_GETPWUID_R*/
#endif /*!NCBI_OS_UNIX*/
/* last resort */
if (!(login = getenv("USER")) && !(login = getenv("LOGNAME")))
login = "";
return x_Savestr(login, buf, bufsize);
}
/****************************************************************************
* CORE_GetVMPageSize: Get page size granularity
* See also at corelib's ncbi_system.cpp::GetVirtualMemoryPageSize().
*/
size_t CORE_GetVMPageSize(void)
{
static size_t ps = 0;
if (!ps) {
#if defined(NCBI_OS_MSWIN) || defined(NCBI_OS_CYGWIN)
SYSTEM_INFO si;
GetSystemInfo(&si);
ps = (size_t) si.dwPageSize;
#elif defined(NCBI_OS_UNIX)
# if defined(_SC_PAGESIZE)
# define NCBI_SC_PAGESIZE _SC_PAGESIZE
# elif defined(_SC_PAGE_SIZE)
# define NCBI_SC_PAGESIZE _SC_PAGE_SIZE
# elif defined(NCBI_SC_PAGESIZE)
# undef NCBI_SC_PAGESIZE
# endif
# ifndef NCBI_SC_PAGESIZE
long x = 0;
# else
long x = sysconf(NCBI_SC_PAGESIZE);
# undef NCBI_SC_PAGESIZE
# endif
if (x <= 0) {
# ifdef HAVE_GETPAGESIZE
if ((x = getpagesize()) <= 0)
return 0;
# else
return 0;
# endif
}
ps = (size_t) x;
#endif /*OS_TYPE*/
}
return ps;
}
/****************************************************************************
* CRC32
*/
/* Standard Ethernet/ZIP polynomial */
#define CRC32_POLY 0x04C11DB7UL
#ifdef NCBI_USE_PRECOMPILED_CRC32_TABLES
static const unsigned int s_CRC32Table[256] = {
0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9,
0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005,
0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9,
0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011,
0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd,
0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5,
0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81,
0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49,
0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d,
0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae,
0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16,
0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca,
0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02,
0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066,
0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e,
0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692,
0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a,
0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e,
0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686,
0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a,
0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f,
0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47,
0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b,
0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623,
0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7,
0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f,
0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b,
0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f,
0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640,
0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c,
0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24,
0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30,
0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088,
0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654,
0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c,
0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18,
0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0,
0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c,
0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
};
#else
static unsigned int s_CRC32Table[256];
static void s_CRC32_Init(void)
{
size_t i;
if (s_CRC32Table[255])
return;
for (i = 0; i < 256; i++) {
unsigned int byteCRC = (unsigned int) i << 24;
int j;
for (j = 0; j < 8; j++) {
if (byteCRC & 0x80000000UL) {
byteCRC <<= 1;
byteCRC ^= CRC32_POLY;
} else
byteCRC <<= 1;
}
s_CRC32Table[i] = byteCRC;
}
}
#endif /*NCBI_USE_PRECOMPILED_CRC32_TABLES*/
extern unsigned int UTIL_CRC32_Update(unsigned int checksum,
const void *ptr, size_t len)
{
const unsigned char* data = (const unsigned char*) ptr;
size_t i;
#ifndef NCBI_USE_PRECOMPILED_CRC32_TABLES
s_CRC32_Init();
#endif /*NCBI_USE_PRECOMPILED_CRC32_TABLES*/
for (i = 0; i < len; i++) {
size_t k = ((checksum >> 24) ^ *data++) & 0xFF;
checksum <<= 8;
checksum ^= s_CRC32Table[k];
}
return checksum;
}
#define MOD_ADLER 65521
#define MAXLEN_ADLER 5548 /* max len to run without overflows */
#define ADJUST_ADLER(a) a = (a & 0xFFFF) + (a >> 16) * (0x10000 - MOD_ADLER)
#define FINALIZE_ADLER(a) if (a >= MOD_ADLER) a -= MOD_ADLER
unsigned int UTIL_Adler32_Update(unsigned int checksum,
const void* ptr, size_t len)
{
const unsigned char* data = (const unsigned char*) ptr;
unsigned int a = checksum & 0xFFFF, b = checksum >> 16;
while (len) {
size_t i;
if (len >= MAXLEN_ADLER) {
len -= MAXLEN_ADLER;
for (i = 0; i < MAXLEN_ADLER/4; ++i) {
b += a += data[0];
b += a += data[1];
b += a += data[2];
b += a += data[3];
data += 4;
}
} else {
for (i = len >> 2; i; --i) {
b += a += data[0];
b += a += data[1];
b += a += data[2];
b += a += data[3];
data += 4;
}
for (len &= 3; len; --len) {
b += a += *data++;
}
}
ADJUST_ADLER(a);
ADJUST_ADLER(b);
}
/* It can be shown that a <= 0x1013A here, so a single subtract will do. */
FINALIZE_ADLER(a);
/* It can be shown that b can reach 0xFFEF1 here. */
ADJUST_ADLER(b);
FINALIZE_ADLER(b);
return (b << 16) | a;
}
#undef MOD_ADLER
#undef MAXLEN_ADLER
#undef ADJUST_ADLER
#undef FINALIZE_ADLER
/******************************************************************************
* MISCELLANEOUS
*/
extern int/*bool*/ UTIL_MatchesMaskEx(const char* name, const char* mask,
int/*bool*/ ignore_case)
{
for (;;) {
char c = *mask++;
char d;
if (!c) {
break;
} else if (c == '?') {
if (!*name++)
return 0/*false*/;
} else if (c == '*') {
c = *mask;
while (c == '*')
c = *++mask;
if (!c)
return 1/*true*/;
while (*name) {
if (UTIL_MatchesMaskEx(name, mask, ignore_case))
return 1/*true*/;
name++;
}
return 0/*false*/;
} else {
d = *name++;
if (ignore_case) {
c = tolower((unsigned char) c);
d = tolower((unsigned char) d);
}
if (c != d)
return 0/*false*/;
}
}
return !*name;
}
extern int/*bool*/ UTIL_MatchesMask(const char* name, const char* mask)
{
return UTIL_MatchesMaskEx(name, mask, 1/*ignore case*/);
}
extern char* UTIL_NcbiLocalHostName(char* hostname)
{
static const struct {
const char* text;
const size_t len;
} kEndings[] = {
{".ncbi.nlm.nih.gov", 17},
{".ncbi.nih.gov", 13}
};
size_t len = hostname ? strlen(hostname) : 0;
if (len) {
size_t i;
for (i = 0; i < sizeof(kEndings) / sizeof(kEndings[0]); i++) {
assert(strlen(kEndings[i].text) == kEndings[i].len);
if (len > kEndings[i].len) {
size_t prefix = len - kEndings[i].len;
if (strcasecmp(hostname + prefix, kEndings[i].text) == 0) {
hostname[prefix] = '\0';
return hostname;
}
}
}
}
return 0;
}
#ifdef NCBI_OS_MSWIN
# ifdef _UNICODE
extern const char* UTIL_TcharToUtf8OnHeap(const TCHAR* buffer)
{
const char* p = UTIL_TcharToUtf8(buffer);
UTIL_ReleaseBufferOnHeap(buffer);
return p;
}
/*
* UTIL_TcharToUtf8() is defined in ncbi_strerror.c
*/
extern const TCHAR* UTIL_Utf8ToTchar(const char* buffer)
{
TCHAR* p = NULL;
if (buffer) {
int n = MultiByteToWideChar(CP_UTF8, 0, buffer, -1, NULL, 0);
if (n >= 0) {
p = (wchar_t*) LocalAlloc(LMEM_FIXED, (n + 1) * sizeof(wchar_t));
if (p) {
MultiByteToWideChar(CP_UTF8, 0, buffer, -1, p, n);
p[n] = 0;
}
}
}
return p;
}
# endif /*_UNICODE*/
/*
* UTIL_ReleaseBufferOnHeap() is defined in ncbi_strerror.c
*/
#endif /*NCBI_OS_MSWIN*/
|