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Clean up and ensure proper usage of alloca()

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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
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4
main/logger.c
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@@ -1749,11 +1749,11 @@ void __ast_verbose_ap(const char *file, int line, const char *func, int level, s
now = ast_tvnow();
ast_localtime(&now, &tm, NULL);
ast_strftime(date, sizeof(date), dateformat, &tm);
datefmt = alloca(strlen(date) + 3 + strlen(prefix) + strlen(fmt) + 1);
datefmt = ast_alloca(strlen(date) + 3 + strlen(prefix) + strlen(fmt) + 1);
sprintf(datefmt, "%c[%s] %s%s", (char) magic, date, prefix, fmt);
fmt = datefmt;
} else {
char *tmp = alloca(strlen(prefix) + strlen(fmt) + 2);
char *tmp = ast_alloca(strlen(prefix) + strlen(fmt) + 2);
sprintf(tmp, "%c%s%s", (char) magic, prefix, fmt);
fmt = tmp;
}