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/* String handling for libwww
STRINGS
Case-independent string comparison and allocations with copies etc
*/
#ifndef HTSTRING_H
#define HTSTRING_H
#ifndef HTUTILS_H
#include <HTUtils.h>
#endif /* HTUTILS_H */
#ifdef __cplusplus
extern "C" {
#endif
extern const char *HTLibraryVersion; /* String for help screen etc */
/*
EBCDIC string comparison using ASCII collating sequence
*/
#ifdef NOT_ASCII
extern int AS_casecomp(const char *a, const char *b);
extern int AS_ncmp(const char *a, const char *b, unsigned int n);
#define AS_cmp( a, b ) ( AS_ncmp( ( a ), ( b ), -1 ) )
#else
#define AS_casecomp( a, b ) ( strcasecomp( ( a ), ( b ) ) )
#define AS_ncmp( a, b, c ) ( strncmp( ( a ), ( b ), ( c ) ) )
#define AS_cmp strcmp
#endif /* NOT_ASCII */
/*
Case-insensitive string comparison
The usual routines (comp instead of cmp) had some problem.
*/
extern int strcasecomp(const char *a, const char *b);
extern int strncasecomp(const char *a, const char *b, int n);
extern int strcasecomp8(const char *a, const char *b);
extern int strncasecomp8(const char *a, const char *b, int n);
extern int strcasecomp_asterisk(const char *a, const char *b);
/*
* strcasecomp8 and strncasecomp8 are variants of strcasecomp and
* strncasecomp, but use 8bit upper/lower case information from the
* current display charset
*/
/*
Malloced string manipulation
*/
#define StrAllocCopy(dest, src) HTSACopy (&(dest), src)
#define StrAllocCat(dest, src) HTSACat (&(dest), src)
extern char *HTSACopy(char **dest, const char *src);
extern char *HTSACat(char **dest, const char *src);
/*
optimized for heavily realloc'd strings in temp objects
*/
#define StrAllocCopy_extra(dest, src) HTSACopy_extra (&(dest), src)
#define FREE_extra(x) {if (x != NULL) {HTSAFree_extra(x); x = NULL;}}
#define Clear_extra(x) {if (x != NULL) {*x = '\0';}}
extern char *HTSACopy_extra(char **dest, const char *src);
extern void HTSAFree_extra(char *s);
/*
Next word or quoted string
*/
extern char *HTNextField(char **pstr);
/* A more general parser - kw */
extern char *HTNextTok(char **pstr,
const char *delims, const char *bracks, char *found);
extern char *HTSprintf(char **pstr, const char *fmt,...) GCC_PRINTFLIKE(2,3);
extern char *HTSprintf0(char **pstr, const char *fmt,...) GCC_PRINTFLIKE(2,3);
#if defined(LY_FIND_LEAKS) /* private otherwise */
extern char *StrAllocVsprintf(char **pstr,
size_t len,
const char *fmt,
va_list * ap);
#endif
#if (defined(VMS) || defined(DOSPATH) || defined(__EMX__)) && !defined(__CYGWIN__)
#define USE_QUOTED_PARAMETER 0
#else
#define USE_QUOTED_PARAMETER 1
#endif
#if USE_QUOTED_PARAMETER
extern char *HTQuoteParameter(const char *parameter);
extern void HTAddXpand(char **result, const char *command, int number, const char *parameter);
#else
#define HTQuoteParameter(parameter) parameter /* simplify ifdef'ing */
#define HTAddXpand(result,command,number,parameter) HTAddParam(result,command,number,parameter)
#endif
extern int HTCountCommandArgs(const char *command);
extern void HTAddToCmd(char **result, const char *command, int number, const char *string);
extern void HTAddParam(char **result, const char *command, int number, const char *parameter);
extern void HTEndParam(char **result, const char *command, int number);
/* Force an option, with leading blanks, to be appended without quoting them */
#define HTOptParam(result, command, number, parameter) HTSACat(result, parameter)
/* Binary copy and concat */
typedef struct {
char *str;
int len;
} bstring;
extern void HTSABCopy(bstring **dest, const char *src, int len);
extern void HTSABCopy0(bstring **dest, const char *src);
extern void HTSABCat(bstring **dest, const char *src, int len);
extern void HTSABCat0(bstring **dest, const char *src);
extern BOOL HTSABEql(bstring *a, bstring *b);
extern void HTSABFree(bstring **ptr);
#define BStrLen(s) (((s) != 0) ? (s)->len : 0)
#define BStrData(s) (((s) != 0) ? (s)->str : 0)
#define BINEQ(a,b) (HTSABEql(a,b)) /* like STREQ() */
#define isBEmpty(p) ((p) == 0 || BStrLen(p) == 0)
#define BStrCopy(d,s) HTSABCopy( &(d), BStrData(s), BStrLen(s))
#define BStrCopy0(d,s) HTSABCopy0( &(d), s)
#define BStrCat(d,s) HTSABCat( &(d), BStrData(s), BStrLen(s))
#define BStrCat0(d,s) HTSABCat0( &(d), s)
#define BStrFree(d) HTSABFree( &(d))
extern bstring *HTBprintf(bstring **pstr, const char *fmt,...) GCC_PRINTFLIKE(2,3);
extern void trace_bstring(bstring *data);
extern void trace_bstring2(const char *text, int size);
#ifdef __cplusplus
}
#endif
#endif /* HTSTRING_H */
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