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authorChristophe Grenier <grenier@cgsecurity.org>2015-05-11 09:25:39 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2015-05-11 09:25:39 +0200
commite1ca4010307fb53d83c5036f6c8269eb9066c928 (patch)
tree79a9547954c70be7ddc88324990d60a163ffb16d /src/file_mig.c
parentf63304053aa32515e4853c2472fb785bcda0307c (diff)
remove always-true memcmp
Diffstat (limited to 'src/file_mig.c')
-rw-r--r--src/file_mig.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/src/file_mig.c b/src/file_mig.c
index eb9c29d..d9eb5c1 100644
--- a/src/file_mig.c
+++ b/src/file_mig.c
@@ -101,24 +101,20 @@ static void file_check_mig(file_recovery_t *file_recovery)
}
}
-static const unsigned char mig_header[8]= {
- '1' , 'g' , 'i' , 'M' , 0x02, 0x00, 0x00, 0x00
-};
-
static int header_check_mig(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
- if(memcmp(&buffer[0], mig_header, sizeof(mig_header))==0 &&
- memcmp(&buffer[0x34], "MRTS", 4)==0)
- {
- reset_file_recovery(file_recovery_new);
- file_recovery_new->extension=file_hint_mig.extension;
- file_recovery_new->file_check=&file_check_mig;
- return 1;
- }
- return 0;
+ if(memcmp(&buffer[0x34], "MRTS", 4)!=0)
+ return 0;
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_mig.extension;
+ file_recovery_new->file_check=&file_check_mig;
+ return 1;
}
static void register_header_check_mig(file_stat_t *file_stat)
{
+ static const unsigned char mig_header[8]= {
+ '1' , 'g' , 'i' , 'M' , 0x02, 0x00, 0x00, 0x00
+ };
register_header_check(0, mig_header, sizeof(mig_header), &header_check_mig, file_stat);
}