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#ifndef __REPLACE_H__ /* file wrapper */
#define __REPLACE_H__
/*
* Jeffrey Friedl
* Omron Corporation ʳ
* Nagaokakyoshi, Japan 617Ĺ
*
* jfriedl@nff.ncl.omron.co.jp
*
* This work is placed under the terms of the GNU General Purpose License
* (the "GNU Copyleft").
*/
#define APP_SUB_SUCCESS 0
#define APP_SUB_PAREN_INFO_NOT_ENOUGH 100
#define APP_SUB_DID_NOT_MATCH 101
extern unsigned
apply_substitution(const regex_t *compiled,
unsigned char **new,
unsigned *matchcount,
const unsigned char *str,
unsigned str_len,
const unsigned char *replace,
unsigned count);
unsigned char *
sub(const unsigned char *str, unsigned stringlen,
const unsigned char *pattern,
const unsigned char *replace,
unsigned flags,
unsigned times);
#define constant_sub(RESULT, PAT, PATFLAGS, STR, LEN, REPL, TIMES, NEW) \
macro_start { \
static int is_compiled = 0; \
static regex_t compiled; \
\
if (is_compiled == 0) { \
int i = regcomp(&compiled, (PAT), (PATFLAGS)); \
assert(i == 0); \
is_compiled = 1; \
} \
(RESULT) = apply_substitution(&compiled, &(NEW), 0, (STR), \
(LEN), (REPL), (TIMES)); \
} macro_end
#endif /* file wrapper */
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