From afa00abb2b68205bee539d7947130d6b1b1ec6e9 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Thu, 1 Apr 2021 19:39:14 +0200 Subject: Hardened entire system By using the nonnull attribute and replace buffer-overflow-prone functions like strcpy, strcat and sprintf by strlcpy, strlcat and snprintf. --- libs/libc/inc/mem.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'libs/libc/inc/mem.h') diff --git a/libs/libc/inc/mem.h b/libs/libc/inc/mem.h index ec00628..2d55eff 100644 --- a/libs/libc/inc/mem.h +++ b/libs/libc/inc/mem.h @@ -5,8 +5,8 @@ #include -void *malloc_debug(u32 size, const char *file, int line, const char *func, const char *inp); -void free_debug(void *ptr, const char *file, int line, const char *func, const char *inp); +void *malloc_debug(u32 size, const char *file, int line, const char *func, const char *inp) NONNULL; +void free_debug(void *ptr, const char *file, int line, const char *func, const char *inp) NONNULL; #define malloc(size) malloc_debug((u32)(size), __FILE__, __LINE__, __func__, #size) #define free(ptr) free_debug((void *)(ptr), __FILE__, __LINE__, __func__, #ptr) void *realloc(void *ptr, u32 size); @@ -20,10 +20,10 @@ void *zalloc(u32 size); #error "No lib target specified. Please use -Dkernel or -Duserspace" #endif -void *memcpy(void *dest, const void *src, u32 n); -void *memset(void *dest, int val, u32 n); -void *memchr(void *src, int c, u32 n); -int memcmp(const void *s1, const void *s2, u32 n); -int mememp(const u8 *buf, u32 n); +void *memcpy(void *dest, const void *src, u32 n) NONNULL; +void *memset(void *dest, u32 val, u32 n) NONNULL; +void *memchr(void *src, char c, u32 n) NONNULL; +int memcmp(const void *s1, const void *s2, u32 n) NONNULL; +int mememp(const u8 *buf, u32 n) NONNULL; #endif -- cgit v1.2.3