Clean up and ensure proper usage of alloca()

This replaces all calls to alloca() with ast_alloca() which calls gcc's
__builtin_alloca() to avoid BSD semantics and removes all NULL checks
on memory allocated via ast_alloca() and ast_strdupa().

(closes issue ASTERISK-20125)
Review: https://reviewboard.asterisk.org/r/2032/
Patch-by: Walter Doekes (wdoekes)
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Merged revisions 370642 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 370643 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@370655 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2012-07-31 20:21:43 +00:00
parent 6c23a60f80
commit 9b16c8b0f6
64 changed files with 317 additions and 399 deletions

View File

@@ -389,7 +389,7 @@ static void ss7_queue_pvt_cause_data(struct ast_channel *owner, const char *caus
struct ast_control_pvt_cause_code *cause_code;
int datalen = sizeof(*cause_code) + strlen(cause);
cause_code = alloca(datalen);
cause_code = ast_alloca(datalen);
cause_code->ast_cause = ast_cause;
ast_copy_string(cause_code->chan_name, ast_channel_name(owner), AST_CHANNEL_NAME);
ast_copy_string(cause_code->code, cause, datalen + 1 - sizeof(*cause_code));