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clang compiler warnings: Fix non-literal-null-conversion warnings

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Clang will flag errors when a char pointer is set to '\0', as opposed to a
value that the char pointer points to. This patch fixes this warning
in a variety of locations.

Review: https://reviewboard.asterisk.org/r/4551

ASTERISK-24917
Reported by: dkdegroot
patches:
  rb4551.patch submitted by dkdegroot (License 6600)
........

Merged revisions 434187 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@434188 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2015-04-07 02:03:20 +00:00
parent 2270c40d33
commit c027133f6d
3 changed files with 5 additions and 5 deletions
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4
channels/chan_sip.c
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@@ -19738,13 +19738,13 @@ static void cleanup_stale_contexts(char *new, char *old)
char *oldcontext, *newcontext, *stalecontext, *stringp, newlist[AST_MAX_CONTEXT];
while ((oldcontext = strsep(&old, "&"))) {
stalecontext = '\0';
stalecontext = NULL;
ast_copy_string(newlist, new, sizeof(newlist));
stringp = newlist;
while ((newcontext = strsep(&stringp, "&"))) {
if (!strcmp(newcontext, oldcontext)) {
/* This is not the context you're looking for */
stalecontext = '\0';
stalecontext = NULL;
break;
} else if (strcmp(newcontext, oldcontext)) {
stalecontext = oldcontext;