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Fix misuses of asprintf throughout the code.

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This fixes three main issues

* Change asprintf() uses to ast_asprintf() so that it
pairs properly with ast_free() and no longer causes
MALLOC_DEBUG to freak out.

* When ast_asprintf() fails, set the pointer NULL if
it will be referenced later.

* Fix some memory leaks that were spotted while taking
care of the first two points.

(Closes issue ASTERISK-20135)
reported by Richard Mudgett

Review: https://reviewboard.asterisk.org/r/2071
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Merged revisions 371590 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 371591 from http://svn.asterisk.org/svn/asterisk/branches/10
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Merged revisions 371592 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@371593 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2012-08-21 21:01:11 +00:00
parent 89a5ff859d
commit 6a539ace84
14 changed files with 61 additions and 55 deletions
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6
pbx/pbx_config.c
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@@ -472,14 +472,12 @@ static char *complete_dialplan_remove_extension(struct ast_cli_args *a)
if (++which > a->n) {
/* If there is an extension then return exten@context. */
if (ast_get_extension_matchcid(e) && (!strchr(a->word, '@') || strchr(a->word, '/'))) {
if (asprintf(&ret, "%s/%s@%s", ast_get_extension_name(e), ast_get_extension_cidmatch(e), ast_get_context_name(c)) < 0) {
ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
if (ast_asprintf(&ret, "%s/%s@%s", ast_get_extension_name(e), ast_get_extension_cidmatch(e), ast_get_context_name(c)) < 0) {
ret = NULL;
}
break;
} else if (!ast_get_extension_matchcid(e) && !strchr(a->word, '/')) {
if (asprintf(&ret, "%s@%s", ast_get_extension_name(e), ast_get_context_name(c)) < 0) {
ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
if (ast_asprintf(&ret, "%s@%s", ast_get_extension_name(e), ast_get_context_name(c)) < 0) {
ret = NULL;
}
break;