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r300g: Check return value of snprintf().

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Would have at least prevented the crash the previous patch fixed.

Cc: 10.4, 10.5 <mesa-stable@lists.freedesktop.org>
Bugzilla: https://bugs.gentoo.org/show_bug.cgi?id=540970
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
(cherry picked from commit ade0b580e7)
This commit is contained in:
Matt Turner 2015-03-03 16:09:58 -08:00 • committed by Emil Velikov
parent e0670715bc
commit 57f54b067b
1 changed files with 6 additions and 1 deletions
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7
src/gallium/drivers/r300/compiler/tests/rc_test_helpers.c
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@ -541,9 +541,14 @@ unsigned load_program(
unsigned *count;
char **string_store;
unsigned i = 0;
int n;
memset(line, 0, sizeof(line));
snprintf(path, PATH_MAX, TEST_PATH "/%s", filename);
n = snprintf(path, PATH_MAX, TEST_PATH "/%s", filename);
if (n < 0 || n >= PATH_MAX) {
return 0;
}
file = fopen(path, "r");
if (!file) {
return 0;