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GCC12: Fixes for 16+

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Most issues were in stringfields and had to do with comparing
a pointer to an constant/interned string with NULL.  Since the
string was a constant, a pointer to it could never be NULL so
the comparison was always "true".  gcc now complains about that.

There were also a few issues where determining if there was
enough space for a memcpy or s(n)printf which were fixed
by defining some of the involved variables as "volatile".

There were also a few other miscellaneous fixes.

ASTERISK-30044

Change-Id: Ia081ca1bcfb329df6487c4660aaf1944309eb570
This commit is contained in:
George Joseph
2022-05-03 06:57:58 -06:00
committed by Friendly Automation
parent 4fec26923e
commit 3c96566655
12 changed files with 74 additions and 46 deletions
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2
apps/app_festival.c
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@@ -433,7 +433,7 @@ static int festival_exec(struct ast_channel *chan, const char *vdata)
}
readcache = 0;
writecache = 0;
if (strlen(cachedir) + strlen(MD5Hex) + 1 <= MAXFESTLEN && (usecache == -1)) {
if (strlen(cachedir) + sizeof(MD5Hex) + 1 <= MAXFESTLEN && (usecache == -1)) {
snprintf(cachefile, sizeof(cachefile), "%s/%s", cachedir, MD5Hex);
fdesc = open(cachefile, O_RDWR);
if (fdesc == -1) {