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ensure result buffer is initialized (issue #5285)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6652 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-09-25 20:47:00 +00:00
parent 43e0f52600
commit d612e3bc27
1 changed files with 4 additions and 2 deletions
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6
funcs/func_strings.c
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@@ -186,11 +186,13 @@ struct ast_custom_function strftime_function = {
static char *function_eval(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) static char *function_eval(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{ {
memset(buf, 0, len);
if (!data || ast_strlen_zero(data)) { if (!data || ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "EVAL requires an argument: EVAL(<variable>)\n"); ast_log(LOG_WARNING, "EVAL requires an argument: EVAL(<string>)\n");
return buf; return buf;
} }
pbx_substitute_variables_helper(chan, data, buf, len - 1); pbx_substitute_variables_helper(chan, data, buf, len - 1);
return buf; return buf;