svn commit: r221751 - in user/gabor/tre-integration:
contrib/tre/lib include
Gabor Kovesdan
gabor at FreeBSD.org
Wed May 11 00:46:22 UTC 2011
Author: gabor
Date: Wed May 11 00:46:22 2011
New Revision: 221751
URL: http://svn.freebsd.org/changeset/base/221751
Log:
- Implement the BSD-specific REG_STARTEND flag for regexec()
Modified:
user/gabor/tre-integration/contrib/tre/lib/regexec.c
user/gabor/tre-integration/include/tre.h
Modified: user/gabor/tre-integration/contrib/tre/lib/regexec.c
==============================================================================
--- user/gabor/tre-integration/contrib/tre/lib/regexec.c Tue May 10 21:18:45 2011 (r221750)
+++ user/gabor/tre-integration/contrib/tre/lib/regexec.c Wed May 11 00:46:22 2011 (r221751)
@@ -27,6 +27,7 @@ char *alloca ();
#endif
#endif /* TRE_USE_ALLOCA */
+#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
@@ -206,7 +207,28 @@ tre_regnexec(const regex_t *preg, const
tre_tnfa_t *tnfa = (void *)preg->TRE_REGEX_T_FIELD;
tre_str_type_t type = (TRE_MB_CUR_MAX == 1) ? STR_BYTE : STR_MBS;
- return tre_match(tnfa, str, len, type, nmatch, pmatch, eflags);
+ if (eflags & REG_STARTEND)
+ {
+ off_t s_off = pmatch[0].rm_so;
+ off_t e_off = pmatch[0].rm_eo;
+ size_t slen = e_off - s_off;
+ char *sstr = xmalloc(slen);
+ strncpy(sstr, &str[s_off], slen);
+ int ret = tre_match(tnfa, sstr, slen, type, nmatch, pmatch, eflags);
+ if (!(eflags & REG_NOSUB))
+ {
+ for (unsigned i = 0; i < nmatch; i++)
+ {
+ pmatch[i].rm_so += slen;
+ pmatch[i].rm_eo += slen;
+ }
+ }
+ return ret;
+ }
+ else
+ {
+ return tre_match(tnfa, str, len, type, nmatch, pmatch, eflags);
+ }
}
int
Modified: user/gabor/tre-integration/include/tre.h
==============================================================================
--- user/gabor/tre-integration/include/tre.h Tue May 10 21:18:45 2011 (r221750)
+++ user/gabor/tre-integration/include/tre.h Wed May 11 00:46:22 2011 (r221751)
@@ -64,6 +64,7 @@ typedef enum {
/* POSIX tre_regexec() flags. */
#define REG_NOTBOL 1
#define REG_NOTEOL (REG_NOTBOL << 1)
+#define REG_STARTEND (REG_NOTEOL << 1)
/* Extra tre_regexec() flags. */
#define REG_APPROX_MATCHER (REG_NOTEOL << 1)
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