From 4adc1270c22a853f3a5a8ac18bfcaa4512ba6bcd Mon Sep 17 00:00:00 2001 From: Christophe Grenier Date: Sun, 28 Feb 2021 16:56:43 +0100 Subject: [PATCH] src/file_pzh.c: add Frama-C annotations --- src/file_pzh.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/src/file_pzh.c b/src/file_pzh.c index 3fcedc53..f4deb036 100644 --- a/src/file_pzh.c +++ b/src/file_pzh.c @@ -31,6 +31,7 @@ #include "types.h" #include "filegen.h" +/*@ requires \valid(file_stat); */ static void register_header_check_pzh(file_stat_t *file_stat); /* Presto http://www.soft.es/ */ @@ -49,6 +50,11 @@ static const unsigned char pzh_header[10]= { 0x05, 0x03 }; +/*@ + @ requires \valid(file_recovery); + @ requires valid_read_string((char*)&file_recovery->filename); + @ requires file_recovery->file_rename==&file_rename_pzh; + @*/ static void file_rename_pzh(file_recovery_t *file_recovery) { unsigned char buffer[512]; @@ -67,6 +73,16 @@ static void file_rename_pzh(file_recovery_t *file_recovery) file_rename(file_recovery, buffer, buffer_size, 0, "pzh", 0); } +/*@ + @ requires buffer_size > 0; + @ 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_pzh, buffer+(..), file_recovery, file_recovery_new); + @ assigns *file_recovery_new; + @ ensures \result!=0 ==> valid_file_recovery(file_recovery_new); + @*/ static int header_check_pzh(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) { reset_file_recovery(file_recovery_new);