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avoid segfault caused by user error

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If the CALLERPRES() dialplan function is set to nothing,
a segfault occurs.  This is user error to begin with, but
I'd rather see a cli warning message than have Asterisk
crash on me.



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@206867 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Vossel
2009-07-16 21:24:16 +00:00
parent ed177d72d4
commit b1fe655954
1 changed files with 4 additions and 0 deletions
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4
main/callerid.c
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@@ -1092,6 +1092,10 @@ int ast_parse_caller_presentation(const char *data)
{ {
int i; int i;
if (!data) {
return -1;
}
for (i = 0; i < ((sizeof(pres_types) / sizeof(pres_types[0]))); i++) { for (i = 0; i < ((sizeof(pres_types) / sizeof(pres_types[0]))); i++) {
if (!strcasecmp(pres_types[i].name, data)) if (!strcasecmp(pres_types[i].name, data))
return pres_types[i].val; return pres_types[i].val;