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Bug 5327 - new function FILTER and optional argument to CALLERID

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7614 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2005-12-23 21:03:25 +00:00
parent 06d1a99163
commit 5323442db4
3 changed files with 83 additions and 26 deletions
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38
funcs/func_strings.c
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@@ -68,6 +68,44 @@ struct ast_custom_function fieldqty_function = {
.read = function_fieldqty,
};
static char *builtin_function_filter(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
char *allowed, *string, *outbuf=buf;
string = ast_strdupa(data);
if (!string) {
ast_log(LOG_ERROR, "Out of memory");
return "";
}
allowed = strsep(&string, "|");
if (!string) {
ast_log(LOG_ERROR, "Usage: FILTER(<allowed-chars>,<string>)\n");
return "";
}
for ( ; *string && (buf + len - 1 > outbuf); string++) {
if (strchr(allowed, *string)) {
*outbuf = *string;
outbuf++;
}
}
*outbuf = '\0';
return buf;
}
#ifndef BUILTIN_FUNC
static
#endif
struct ast_custom_function filter_function = {
.name = "FILTER",
.synopsis = "Filter the string to include only the allowed characters",
.syntax = "FILTER(<allowed-chars>,<string>)",
.read = builtin_function_filter,
};
static char *builtin_function_regex(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
char *arg, *earg = NULL, *tmp, errstr[256] = "";