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add re support using pcre

This commit is contained in:
Doug MacEachern 2007-01-01 18:55:51 +00:00
parent e4530495f9
commit b871d2fc3d
1 changed files with 33 additions and 1 deletions
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34
src/sigar_ptql.c
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@ -21,6 +21,10 @@
#include "sigar_util.h"
#include "sigar_ptql.h"
#ifdef SIGAR_HAS_PCRE
#include "pcre.h"
#endif
#ifdef WIN32
#define strtoull strtoul /*XXX*/
#endif
@ -325,7 +329,15 @@ static int ptql_op_str_sw(ptql_branch_t *branch,
static int ptql_op_str_re(ptql_branch_t *branch,
char *haystack, char *needle)
{
return 0; /*XXX pcre?*/
#ifdef SIGAR_HAS_PCRE
pcre *re = (pcre *)branch->value.ptr;
int len = strlen(haystack);
int rc =
pcre_exec(re, NULL, haystack, len, 0, 0, NULL, 0);
return rc >= 0;
#else
return 0;
#endif
}
static int ptql_op_str_ct(ptql_branch_t *branch,
@ -935,6 +947,26 @@ static int ptql_branch_add(ptql_parse_branch_t *parsed,
/* self reference */
return SIGAR_PTQL_MALFORMED_QUERY;
}
else if (branch->op_name == PTQL_OP_RE) {
/* not for use with .re */
return SIGAR_PTQL_MALFORMED_QUERY;
}
}
else if (branch->op_name == PTQL_OP_RE) {
#ifdef SIGAR_HAS_PCRE
const char *error;
int offset;
pcre *re =
pcre_compile(parsed->value, 0, &error, &offset, NULL);
if (!re) {
return SIGAR_PTQL_MALFORMED_QUERY;
}
is_set = 1;
branch->value.ptr = re;
branch->value_free = pcre_free;
#else
return SIGAR_PTQL_MALFORMED_QUERY;
#endif
}
switch (lookup->type) {