From 154413e7d52893df80f9e1a3838dcdae48db8962 Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Mon, 22 Feb 2021 19:23:29 +0100 Subject: [PATCH] src/file_hds.c: add frama-c annotations --- src/file_hds.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/file_hds.c b/src/file_hds.c index 4ada2f6d..bb93203b 100644 --- a/src/file_hds.c +++ b/src/file_hds.c @@ -31,6 +31,7 @@ #include "filegen.h" #include "common.h" +/*@ requires \valid(file_stat); */ static void register_header_check_hds(file_stat_t *file_stat); const file_hint_t file_hint_hds= { @@ -54,6 +55,17 @@ struct parallels_header { char padding[24]; } __attribute__((gcc_struct,__packed__)); +/*@ + @ requires buffer_size >= sizeof(struct parallels_header); + @ requires \valid_read(buffer+(0..buffer_size-1)); + @ requires valid_file_recovery(file_recovery); + @ requires \valid(file_recovery_new); + @ requires file_recovery_new->blocksize > 0; + @ requires separation: \separated(&file_hint_hds, buffer+(..), file_recovery, file_recovery_new); + @ ensures \result == 0 || \result == 1; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @ assigns *file_recovery_new; + @*/ static int header_check_hds(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) { const struct parallels_header *hdr=(const struct parallels_header *)buffer;