diff options
| -rw-r--r-- | extra/Configs/Config.in | 17 | ||||
| -rw-r--r-- | libc/stdlib/malloc-simple/alloc.c | 6 | ||||
| -rw-r--r-- | libc/stdlib/malloc-standard/malloc.c | 7 | ||||
| -rw-r--r-- | libc/stdlib/malloc/malloc.c | 6 |
4 files changed, 0 insertions, 36 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index ed16611dd..05610aee2 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -610,23 +610,6 @@ config MALLOC_STANDARD endchoice -config MALLOC_GLIBC_COMPAT - bool "Malloc returns live pointer for malloc(0)" - help - The behavior of malloc(0) is listed as implementation-defined by - SuSv3. Glibc returns a valid pointer to something, while uClibc - normally returns NULL. I personally feel glibc's behavior is - not particularly safe, and allows buggy applications to hide very - serious problems. - - When this option is enabled, uClibc will act just like glibc, and - return a live pointer when someone calls malloc(0). This pointer - provides a malloc'ed area with a size of 1 byte. This feature is - mostly useful when dealing with applications using autoconf's broken - AC_FUNC_MALLOC macro (which redefines malloc as rpl_malloc if it - does not detect glibc style returning-a-valid-pointer-for-malloc(0) - behavior). Most people can safely answer N. - config UCLIBC_HAS_OBSTACK bool "Obstack Support (gnu extension)" help diff --git a/libc/stdlib/malloc-simple/alloc.c b/libc/stdlib/malloc-simple/alloc.c index a3c068a5b..3baf75fdd 100644 --- a/libc/stdlib/malloc-simple/alloc.c +++ b/libc/stdlib/malloc-simple/alloc.c @@ -25,13 +25,7 @@ void *malloc(size_t size) void *result; if (unlikely(size == 0)) { -#if defined(__MALLOC_GLIBC_COMPAT__) size++; -#else - /* Some programs will call malloc (0). Lets be strict and return NULL */ - __set_errno(ENOMEM); - return NULL; -#endif } #ifdef __ARCH_USE_MMU__ diff --git a/libc/stdlib/malloc-standard/malloc.c b/libc/stdlib/malloc-standard/malloc.c index fd33b50c7..309f52859 100644 --- a/libc/stdlib/malloc-standard/malloc.c +++ b/libc/stdlib/malloc-standard/malloc.c @@ -825,13 +825,6 @@ void* malloc(size_t bytes) void * sysmem; void * retval; -#if !defined(__MALLOC_GLIBC_COMPAT__) - if (!bytes) { - __set_errno(ENOMEM); - return NULL; - } -#endif - /* Convert request size to internal form by adding (sizeof(size_t)) bytes overhead plus possibly more to obtain necessary alignment and/or diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c index f6bf10a93..8d8ac7ffc 100644 --- a/libc/stdlib/malloc/malloc.c +++ b/libc/stdlib/malloc/malloc.c @@ -208,14 +208,8 @@ malloc (size_t size) __heap_check (__malloc_heap, "malloc"); #endif -#ifdef __MALLOC_GLIBC_COMPAT__ if (unlikely (size == 0)) size++; -#else - /* Some programs will call malloc (0). Lets be strict and return NULL */ - if (unlikely (size == 0)) - goto oom; -#endif /* Check if they are doing something dumb like malloc(-1) */ if (unlikely(((unsigned long)size > (unsigned long)(MALLOC_HEADER_SIZE*-2)))) |