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added function QUOTE into strings, which allows

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for quoted strings, and escapes them properly.
slightly modified patch from bug #6257


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@10934 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matt O'Gorman
2006-02-23 22:59:16 +00:00
parent c05fc829d3
commit a4734960e7
1 changed files with 32 additions and 0 deletions
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32
funcs/func_strings.c
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@@ -204,6 +204,36 @@ static struct ast_custom_function array_function = {
"entire argument, since Set can take multiple arguments itself.\n",
};
static char *builtin_function_quote(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
char *bufptr = buf, *dataptr = data;
*bufptr++ = '"';
for (; bufptr < buf + len - 1; dataptr++) {
if (*dataptr == '\\') {
*bufptr++ = '\\';
*bufptr++ = '\\';
} else if (*dataptr == '"') {
*bufptr++ = '\\';
*bufptr++ = '"';
} else if (*dataptr == '\0') {
break;
} else {
*bufptr++ = *dataptr;
}
}
*bufptr++ = '"';
*bufptr = '\0';
return buf;
}
static struct ast_custom_function quote_function = {
.name = "QUOTE",
.synopsis = "Quotes a given string, escaping embedded quotes as necessary",
.syntax = "QUOTE(<string>)",
.read = builtin_function_quote,
};
static int len(struct ast_channel *chan, char *cmd, char *data, char *buf,
size_t len)
{
@@ -402,6 +432,7 @@ int unload_module(void)
res |= ast_custom_function_unregister(&filter_function);
res |= ast_custom_function_unregister(&regex_function);
res |= ast_custom_function_unregister(&array_function);
res |= ast_custom_function_unregister(&quote_function);
res |= ast_custom_function_unregister(&len_function);
res |= ast_custom_function_unregister(&strftime_function);
res |= ast_custom_function_unregister(&strptime_function);
@@ -419,6 +450,7 @@ int load_module(void)
res |= ast_custom_function_register(&filter_function);
res |= ast_custom_function_register(&regex_function);
res |= ast_custom_function_register(&array_function);
res |= ast_custom_function_register(&quote_function);
res |= ast_custom_function_register(&len_function);
res |= ast_custom_function_register(&strftime_function);
res |= ast_custom_function_register(&strptime_function);