diff options
| author | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-03-23 20:13:48 +0000 |
|---|---|---|
| committer | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-03-23 20:13:48 +0000 |
| commit | dbd91654a28ee4a0aa1fece0901fdd836a5351dc (patch) | |
| tree | 4f3e29a3609d3dab2ba9b3d233d6b6ad991acf44 /apps | |
| parent | af458de73b942498575d5fb555f5661175d412e4 (diff) | |
don't crash when asked to read from a file that doesn't exist (issue #6786)
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.2@14462 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/app_readfile.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/apps/app_readfile.c b/apps/app_readfile.c index 3340964b7..bc418aaa1 100644 --- a/apps/app_readfile.c +++ b/apps/app_readfile.c @@ -95,15 +95,16 @@ static int readfile_exec(struct ast_channel *chan, void *data) } } - returnvar = ast_read_textfile(file); - if(len > 0){ - if(len < strlen(returnvar)) - returnvar[len]='\0'; - else - ast_log(LOG_WARNING,"%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar)); + if ((returnvar = ast_read_textfile(file))) { + if (len > 0) { + if (len < strlen(returnvar)) + returnvar[len]='\0'; + else + ast_log(LOG_WARNING, "%s is longer than %d, and %d \n", file, len, (int)strlen(returnvar)); + } + pbx_builtin_setvar_helper(chan, varname, returnvar); + free(returnvar); } - pbx_builtin_setvar_helper(chan, varname, returnvar); - free(returnvar); LOCAL_USER_REMOVE(u); return res; } |