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provide the correct string to evaluate with the given regex, instead of the

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entire string provided as input to the REGEX function..  Also, use the
provided buffer to store the result.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6744 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2005-10-12 01:09:04 +00:00
parent c5a8178bb4
commit 33377538b0
1 changed files with 29 additions and 25 deletions
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24
funcs/func_strings.c
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@@ -69,21 +69,28 @@ struct ast_custom_function fieldqty_function = {
static char *builtin_function_regex(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
char *ret_true = "1", *ret_false = "0", *ret;
char *arg, *earg, *tmp, errstr[256] = "";
int errcode;
regex_t regexbuf;
ret = ret_false; /* convince me otherwise */
ast_copy_string(buf, "0", len);
tmp = ast_strdupa(data);
if (tmp) {
if (!tmp) {
ast_log(LOG_ERROR, "Out of memory in %s(%s)\n", cmd, data);
return buf;
}
/* Regex in quotes */
arg = strchr(tmp, '"');
if (arg) {
arg++;
earg = strrchr(arg, '"');
if (earg) {
*earg = '\0';
*earg++ = '\0';
/* Skip over any spaces before the data we are checking */
while (*earg == ' ')
earg++;
}
} else {
arg = tmp;
@@ -92,16 +99,13 @@ static char *builtin_function_regex(struct ast_channel *chan, char *cmd, char *d
if ((errcode = regcomp(&regexbuf, arg, REG_EXTENDED | REG_NOSUB))) {
regerror(errcode, &regexbuf, errstr, sizeof(errstr));
ast_log(LOG_WARNING, "Malformed input %s(%s): %s\n", cmd, data, errstr);
ret = NULL;
} else {
ret = regexec(&regexbuf, data, 0, NULL, 0) ? ret_false : ret_true;
if (!regexec(&regexbuf, earg ? earg : "", 0, NULL, 0))
ast_copy_string(buf, "1", len);
}
regfree(&regexbuf);
} else {
ast_log(LOG_ERROR, "Out of memory in %s(%s)\n", cmd, data);
}
return ret;
return buf;
}
#ifndef BUILTIN_FUNC