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Avoid using extension of variable length array folded to constant array

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(cherry picked from commit 2faefc3b24)
This commit is contained in:
Christian Göttsche 2020-04-07 21:46:56 +02:00 committed by Yorhel
parent 61d268764d
commit 53e5080d9a
1 changed files with 3 additions and 4 deletions
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7
src/exclude.c
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@ -111,8 +111,7 @@ int has_cachedir_tag(const char *name) {
static int path_l = 1024; static int path_l = 1024;
static char *path = NULL; static char *path = NULL;
int l; int l;
const size_t signature_l = sizeof CACHEDIR_TAG_SIGNATURE - 1; char buf[sizeof CACHEDIR_TAG_SIGNATURE - 1];
char buf[signature_l];
FILE *f; FILE *f;
int match = 0; int match = 0;
@ -131,8 +130,8 @@ int has_cachedir_tag(const char *name) {
f = fopen(path, "rb"); f = fopen(path, "rb");
if(f != NULL) { if(f != NULL) {
match = ((fread(buf, 1, signature_l, f) == signature_l) && match = ((fread(buf, 1, sizeof buf, f) == sizeof buf) &&
!memcmp(buf, CACHEDIR_TAG_SIGNATURE, signature_l)); !memcmp(buf, CACHEDIR_TAG_SIGNATURE, sizeof buf));
fclose(f); fclose(f);
} }
return match; return match;