diff options
| -rw-r--r-- | ChangeLog | 11 | ||||
| -rw-r--r-- | include/unistd.h | 3 | ||||
| -rw-r--r-- | libio/stdio.h | 3 | ||||
| -rw-r--r-- | malloc/malloc.h | 22 | ||||
| -rw-r--r-- | misc/sys/cdefs.h | 11 | ||||
| -rw-r--r-- | stdlib/stdlib.h | 9 | ||||
| -rw-r--r-- | string/string.h | 7 |
7 files changed, 50 insertions, 16 deletions
@@ -1,5 +1,16 @@ 1999-12-18 Ulrich Drepper <drepper@cygnus.com> + * misc/sys/cdefs.h: Define __attribute_malloc__ according to + available gcc version. + * string/string.h: Mark strdup, __strdup, and strndup with + __attribute_malloc__. + * stdlib/stdlib.h: Make malloc, calloc, realloc, and valloc with + __attribute_malloc__. + * malloc/malloc.h: Make malloc, calloc, realloc, valloc, pvallc, + __morecore, and __default_morecore with __attribute_malloc__. + Provide default definition for __attribute_malloc__. + * libio/stdio.h: Make tempnam with __attribute_malloc__. + * include/unistd.h: Declare __libc_open64, __libc_lseek64, __libc_pread, __libc_pread64, __libc_pwrite, and __libc_pwrite64. * io/Versions: Export __libc_open64 and __libc_lseek64. diff --git a/include/unistd.h b/include/unistd.h index 642f1d29ce..d8fc6cc651 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -5,6 +5,7 @@ extern int __access (__const char *__name, int __type); extern int __euidaccess (__const char *__name, int __type); extern int __libc_open64 (const char *file, int oflag, ...); +extern int __libc_open (const char *file, int oflag, ...); extern __off64_t __lseek64 (int __fd, __off64_t __offset, int __whence); extern __off64_t __libc_lseek64 (int __fd, __off64_t __offset, int __whence); extern ssize_t __pread (int __fd, void *__buf, size_t __nbytes, @@ -19,6 +20,8 @@ extern ssize_t __libc_pwrite (int __fd, __const void *__buf, size_t __n, __off_t __offset); extern ssize_t __libc_pwrite64 (int __fd, __const void *__buf, size_t __n, __off64_t __offset); +extern ssize_t __libc_read (int __fd, void *__buf, size_t __n); +extern ssize_t __libc_write (int __fd, __const void *__buf, size_t __n); extern int __pipe (int __pipedes[2]); extern unsigned int __sleep (unsigned int __seconds); extern int __chown (__const char *__file, diff --git a/libio/stdio.h b/libio/stdio.h index e78c33ba8b..00b7d879d6 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -156,7 +156,8 @@ extern char *tmpnam_r (char *__s) __THROW; If not and if DIR is not NULL, that value is checked. If that fails, P_tmpdir is tried and finally "/tmp". The storage for the filename is allocated by `malloc'. */ -extern char *tempnam (__const char *__dir, __const char *__pfx) __THROW; +extern char *tempnam (__const char *__dir, __const char *__pfx) + __THROW __attribute_malloc__; #endif diff --git a/malloc/malloc.h b/malloc/malloc.h index 4f02b5a093..78deff0738 100644 --- a/malloc/malloc.h +++ b/malloc/malloc.h @@ -55,6 +55,8 @@ /* Used by GNU libc internals. */ # define __malloc_size_t size_t # define __malloc_ptrdiff_t ptrdiff_t +#else +# define __attribute_malloc__ #endif #ifdef __GNUC__ @@ -114,14 +116,17 @@ extern void ptmalloc_init __MALLOC_P ((void)); #endif /* Allocate SIZE bytes of memory. */ -extern __malloc_ptr_t malloc __MALLOC_P ((size_t __size)); +extern __malloc_ptr_t malloc __MALLOC_P ((size_t __size)) __attribute_malloc__; /* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */ -extern __malloc_ptr_t calloc __MALLOC_P ((size_t __nmemb, size_t __size)); +extern __malloc_ptr_t calloc __MALLOC_P ((size_t __nmemb, size_t __size)) + __attribute_malloc__; /* Re-allocate the previously allocated block in __ptr, making the new block SIZE bytes long. */ -extern __malloc_ptr_t realloc __MALLOC_P ((__malloc_ptr_t __ptr, size_t __size)); +extern __malloc_ptr_t realloc __MALLOC_P ((__malloc_ptr_t __ptr, + size_t __size)) + __attribute_malloc__; /* Free a block allocated by `malloc', `realloc' or `calloc'. */ extern void free __MALLOC_P ((__malloc_ptr_t __ptr)); @@ -133,18 +138,21 @@ extern void cfree __MALLOC_P ((__malloc_ptr_t __ptr)); extern __malloc_ptr_t memalign __MALLOC_P ((size_t __alignment, size_t __size)); /* Allocate SIZE bytes on a page boundary. */ -extern __malloc_ptr_t valloc __MALLOC_P ((size_t __size)); +extern __malloc_ptr_t valloc __MALLOC_P ((size_t __size)) __attribute_malloc__; /* Equivalent to valloc(minimum-page-that-holds(n)), that is, round up __size to nearest pagesize. */ -extern __malloc_ptr_t pvalloc __MALLOC_P ((size_t __size)); +extern __malloc_ptr_t pvalloc __MALLOC_P ((size_t __size)) + __attribute_malloc__; /* Underlying allocation function; successive calls should return contiguous pieces of memory. */ -extern __malloc_ptr_t (*__morecore) __MALLOC_PMT ((ptrdiff_t __size)); +extern __malloc_ptr_t (*__morecore) __MALLOC_PMT ((ptrdiff_t __size)) + __attribute_malloc__; /* Default value of `__morecore'. */ -extern __malloc_ptr_t __default_morecore __MALLOC_P ((ptrdiff_t __size)); +extern __malloc_ptr_t __default_morecore __MALLOC_P ((ptrdiff_t __size)) + __attribute_malloc__; /* SVID2/XPG mallinfo structure */ struct mallinfo { diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 84e24b0b62..7db057560d 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -136,7 +136,16 @@ they are omitted for compilers that don't understand it. */ #if !defined __GNUC__ || __GNUC__ < 2 -# define __attribute__(xyz) /* Ignore. */ +# define __attribute__(xyz) /* Ignore */ + +/* At some point during the gcc 2.96 development the `malloc' attribute + for functions was introduced. We don't want to use it unconditionally + (although this would be possible) since it generates warnings. */ +# if __GNUC_PREREQ (2,96) +# define __attribute_malloc__ __attribute__ ((__malloc__)) +# else +# define __attribute_malloc__ /* Ignore */ +# endif #endif diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h index ac4baba14a..3448553e11 100644 --- a/stdlib/stdlib.h +++ b/stdlib/stdlib.h @@ -469,15 +469,16 @@ extern int lcong48_r (unsigned short int __param[7], #ifndef __malloc_and_calloc_defined #define __malloc_and_calloc_defined /* Allocate SIZE bytes of memory. */ -extern void *malloc (size_t __size) __THROW; +extern void *malloc (size_t __size) __THROW __attribute_malloc__; /* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */ -extern void *calloc (size_t __nmemb, size_t __size) __THROW; +extern void *calloc (size_t __nmemb, size_t __size) + __THROW __attribute_malloc__; #endif #ifndef __need_malloc_and_calloc /* Re-allocate the previously allocated block in PTR, making the new block SIZE bytes long. */ -extern void *realloc (void *__ptr, size_t __size) __THROW; +extern void *realloc (void *__ptr, size_t __size) __THROW __attribute_malloc__; /* Free a block allocated by `malloc', `realloc' or `calloc'. */ extern void free (void *__ptr) __THROW; @@ -492,7 +493,7 @@ extern void cfree (void *__ptr) __THROW; #if defined __USE_BSD || defined __USE_XOPEN_EXTENDED /* Allocate SIZE bytes on a page boundary. The storage cannot be freed. */ -extern void *valloc (size_t __size) __THROW; +extern void *valloc (size_t __size) __THROW __attribute_malloc__; #endif diff --git a/string/string.h b/string/string.h index 4a8ba402f8..58d0e7162e 100644 --- a/string/string.h +++ b/string/string.h @@ -112,15 +112,16 @@ extern size_t __strxfrm_l (char *__dest, __const char *__src, size_t __n, #if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED /* Duplicate S, returning an identical malloc'd string. */ -extern char *__strdup (__const char *__s) __THROW; -extern char *strdup (__const char *__s) __THROW; +extern char *__strdup (__const char *__s) __THROW __attribute_malloc__; +extern char *strdup (__const char *__s) __THROW __attribute_malloc__; #endif /* Return a malloc'd copy of at most N bytes of STRING. The resultant string is terminated even if no null terminator appears before STRING[N]. */ #if defined __USE_GNU -extern char *strndup (__const char *__string, size_t __n) __THROW; +extern char *strndup (__const char *__string, size_t __n) + __THROW __attribute_malloc__; #endif #if defined __USE_GNU && defined __GNUC__ |