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Fix the FIELDQTY function to not crash. (reported by blitzrage and Corydon on IRC)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@53093 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-02-01 21:24:52 +00:00
parent 0ed3148016
commit 51bcb9d3be
1 changed files with 3 additions and 3 deletions
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6
funcs/func_strings.c
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@@ -46,7 +46,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
static int function_fieldqty(struct ast_channel *chan, char *cmd, static int function_fieldqty(struct ast_channel *chan, char *cmd,
char *parse, char *buf, size_t len) char *parse, char *buf, size_t len)
{ {
char *varname = NULL, *varsubst, varval[8192] = "", *varval2 = varval; char *varsubst, varval[8192] = "", *varval2 = varval;
int fieldcount = 0; int fieldcount = 0;
AST_DECLARE_APP_ARGS(args, AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(varname); AST_APP_ARG(varname);
@@ -55,9 +55,9 @@ static int function_fieldqty(struct ast_channel *chan, char *cmd,
AST_STANDARD_APP_ARGS(args, parse); AST_STANDARD_APP_ARGS(args, parse);
if (args.delim) { if (args.delim) {
varsubst = alloca(strlen(varname) + 4); varsubst = alloca(strlen(args.varname) + 4);
sprintf(varsubst, "${%s}", varname); sprintf(varsubst, "${%s}", args.varname);
pbx_substitute_variables_helper(chan, varsubst, varval, sizeof(varval) - 1); pbx_substitute_variables_helper(chan, varsubst, varval, sizeof(varval) - 1);
while (strsep(&varval2, args.delim)) while (strsep(&varval2, args.delim))
fieldcount++; fieldcount++;