#include "bgp_regex.h"
/* Character `_' has special mean. It represents [,{}() ] and the
- beginning of the line(^) and the end of the line ($).
+ beginning of the line(^) and the end of the line ($).
(^|[,{}() ]|$) */
-regex_t *
-bgp_regcomp (const char *regstr)
+regex_t *bgp_regcomp(const char *regstr)
{
- /* Convert _ character to generic regular expression. */
- int i, j;
- int len;
- int magic = 0;
- char *magic_str;
- char magic_regexp[] = "(^|[,{}() ]|$)";
- int ret;
- regex_t *regex;
-
- len = strlen (regstr);
- for (i = 0; i < len; i++)
- if (regstr[i] == '_')
- magic++;
-
- magic_str = XMALLOC (MTYPE_TMP, len + (14 * magic) + 1);
-
- for (i = 0, j = 0; i < len; i++)
- {
- if (regstr[i] == '_')
- {
- memcpy (magic_str + j, magic_regexp, strlen (magic_regexp));
- j += strlen (magic_regexp);
+ /* Convert _ character to generic regular expression. */
+ int i, j;
+ int len;
+ int magic = 0;
+ char *magic_str;
+ char magic_regexp[] = "(^|[,{}() ]|$)";
+ int ret;
+ regex_t *regex;
+
+ len = strlen(regstr);
+ for (i = 0; i < len; i++)
+ if (regstr[i] == '_')
+ magic++;
+
+ magic_str = XMALLOC(MTYPE_TMP, len + (14 * magic) + 1);
+
+ for (i = 0, j = 0; i < len; i++) {
+ if (regstr[i] == '_') {
+ memcpy(magic_str + j, magic_regexp,
+ strlen(magic_regexp));
+ j += strlen(magic_regexp);
+ } else
+ magic_str[j++] = regstr[i];
}
- else
- magic_str[j++] = regstr[i];
- }
- magic_str[j] = '\0';
+ magic_str[j] = '\0';
- regex = XMALLOC (MTYPE_BGP_REGEXP, sizeof (regex_t));
+ regex = XMALLOC(MTYPE_BGP_REGEXP, sizeof(regex_t));
- ret = regcomp (regex, magic_str, REG_EXTENDED|REG_NOSUB);
+ ret = regcomp(regex, magic_str, REG_EXTENDED | REG_NOSUB);
- XFREE (MTYPE_TMP, magic_str);
+ XFREE(MTYPE_TMP, magic_str);
- if (ret != 0)
- {
- XFREE (MTYPE_BGP_REGEXP, regex);
- return NULL;
- }
+ if (ret != 0) {
+ XFREE(MTYPE_BGP_REGEXP, regex);
+ return NULL;
+ }
- return regex;
+ return regex;
}
-int
-bgp_regexec (regex_t *regex, struct aspath *aspath)
+int bgp_regexec(regex_t *regex, struct aspath *aspath)
{
- return regexec (regex, aspath->str, 0, NULL, 0);
+ return regexec(regex, aspath->str, 0, NULL, 0);
}
-void
-bgp_regex_free (regex_t *regex)
+void bgp_regex_free(regex_t *regex)
{
- regfree (regex);
- XFREE (MTYPE_BGP_REGEXP, regex);
+ regfree(regex);
+ XFREE(MTYPE_BGP_REGEXP, regex);
}