kc3-lang/gnulib/lib/safe-alloc.h

• Show log

  Commit

• Hash : 32a0b508
  Author :
  Date : 2024-04-18T00:28:40
  

  Fix linkage errors when using C++.
  
  Reported by Miro Palmu <email@miropalmu.cc> in
  <https://lists.gnu.org/archive/html/bug-gnulib/2024-04/msg00274.html>.
  
  * lib/acl.h: Add 'extern "C" {' / '}' boilerplate.
  * lib/alignalloc.h: Likewise.
  * lib/aligned-malloc.h: Likewise.
  * lib/allocator.h: Likewise.
  * lib/arcfour.h: Likewise.
  * lib/arctwo.h: Likewise.
  * lib/areadlink.h: Likewise.
  * lib/argv-iter.h: Likewise.
  * lib/argz.in.h: Likewise.
  * lib/binary-io.h: Likewise.
  * lib/bitrotate.h: Likewise.
  * lib/bitset.h: Likewise.
  * lib/bitsetv.h: Likewise.
  * lib/c-strcaseeq.h: Likewise.
  * lib/canon-host.h: Likewise.
  * lib/careadlinkat.h: Likewise.
  * lib/chdir-long.h: Likewise.
  * lib/check-version.h: Likewise.
  * lib/classpath.h: Likewise.
  * lib/cloexec.h: Likewise.
  * lib/close-stream.h: Likewise.
  * lib/crc.h: Likewise.
  * lib/csharpcomp.h: Likewise.
  * lib/csharpexec.h: Likewise.
  * lib/cycle-check.h: Likewise.
  * lib/des.h: Likewise.
  * lib/dev-ino.h: Likewise.
  * lib/di-set.h: Likewise.
  * lib/eealloc.h: Likewise.
  * lib/exclude.h: Likewise.
  * lib/execinfo.in.h: Likewise.
  * lib/execute.h: Likewise.
  * lib/exitfail.h: Likewise.
  * lib/fcntl-safer.h: Likewise.
  * lib/file-set.h: Likewise.
  * lib/file-type.h: Likewise.
  * lib/filenamecat.h: Likewise.
  * lib/filevercmp.h: Likewise.
  * lib/fpending.h: Likewise.
  * lib/fprintftime.h: Likewise.
  * lib/fpucw.h: Likewise.
  * lib/fsusage.h: Likewise.
  * lib/ftoastr.h: Likewise.
  * lib/full-read.h: Likewise.
  * lib/gc.h: Likewise.
  * lib/getndelim2.h: Likewise.
  * lib/getnline.h: Likewise.
  * lib/getugroups.h: Likewise.
  * lib/glthread/tls.h: Likewise.
  * lib/hamt.h: Likewise.
  * lib/hard-locale.h: Likewise.
  * lib/hash-pjw-bare.h: Likewise.
  * lib/hash-pjw.h: Likewise.
  * lib/hash-triple.h: Likewise.
  * lib/hmac.h: Likewise.
  * lib/human.h: Likewise.
  * lib/i-ring.h: Likewise.
  * lib/idcache.h: Likewise.
  * lib/idx.h: Likewise.
  * lib/ino-map.h: Likewise.
  * lib/inttostr.h: Likewise.
  * lib/isapipe.h: Likewise.
  * lib/javacomp.h: Likewise.
  * lib/javaexec.h: Likewise.
  * lib/jit/cache.h: Likewise.
  * lib/linebuffer.h: Likewise.
  * lib/localeinfo.h: Likewise.
  * lib/long-options.h: Likewise.
  * lib/mbchar.h: Likewise.
  * lib/mbfile.h: Likewise.
  * lib/mbiter.h: Likewise.
  * lib/mbiterf.h: Likewise.
  * lib/mbuiter.h: Likewise.
  * lib/mbuiterf.h: Likewise.
  * lib/mcel.h: Likewise.
  * lib/memcasecmp.h: Likewise.
  * lib/memcoll.h: Likewise.
  * lib/memxor.h: Likewise.
  * lib/mgetgroups.h: Likewise.
  * lib/mkdir-p.h: Likewise.
  * lib/modechange.h: Likewise.
  * lib/mountlist.h: Likewise.
  * lib/mpsort.h: Likewise.
  * lib/msvc-nothrow.h: Likewise.
  * lib/nan.h: Likewise.
  * lib/openat-priv.h: Likewise.
  * lib/openat.h: Likewise.
  * lib/opendirat.h: Likewise.
  * lib/pagealign_alloc.h: Likewise.
  * lib/parse-datetime.h: Likewise.
  * lib/parse-duration.h: Likewise.
  * lib/physmem.h: Likewise.
  * lib/posixtm.h: Likewise.
  * lib/posixver.h: Likewise.
  * lib/printf-frexp.h: Likewise.
  * lib/printf-frexpl.h: Likewise.
  * lib/priv-set.h: Likewise.
  * lib/quote.h: Likewise.
  * lib/quotearg.h: Likewise.
  * lib/read-file.h: Likewise.
  * lib/readline.h: Likewise.
  * lib/readtokens.h: Likewise.
  * lib/readtokens0.h: Likewise.
  * lib/regex-quote.h: Likewise.
  * lib/renameatu.h: Likewise.
  * lib/rijndael-alg-fst.h: Likewise.
  * lib/rijndael-api-fst.h: Likewise.
  * lib/safe-alloc.h: Likewise.
  * lib/safe-write.h: Likewise.
  * lib/same-inode.h: Likewise.
  * lib/same.h: Likewise.
  * lib/save-cwd.h: Likewise.
  * lib/savedir.h: Likewise.
  * lib/savewd.h: Likewise.
  * lib/selinux-at.h: Likewise.
  * lib/signed-nan.h: Likewise.
  * lib/signed-snan.h: Likewise.
  * lib/snan.h: Likewise.
  * lib/sockets.h: Likewise.
  * lib/stdio-safer.h: Likewise.
  * lib/stdlib-safer.h: Likewise.
  * lib/streq.h: Likewise.
  * lib/strerror-override.h: Likewise.
  * lib/tmpdir.h: Likewise.
  * lib/trim.h: Likewise.
  * lib/u64.h: Likewise.
  * lib/unicase/casefold.h: Likewise.
  * lib/unicase/caseprop.h: Likewise.
  * lib/unicase/invariant.h: Likewise.
  * lib/unicase/special-casing.in.h: Likewise.
  * lib/unicase/unicasemap.h: Likewise.
  * lib/unicodeio.h: Likewise.
  * lib/unilbrk/lbrktables.h: Likewise.
  * lib/unilbrk/ulc-common.h: Likewise.
  * lib/uninorm/decompose-internal.h: Likewise.
  * lib/unistd-safer.h: Likewise.
  * lib/unitypes.in.h: Likewise.
  * lib/uniwbrk/wbrktable.h: Likewise.
  * lib/unlinkdir.h: Likewise.
  * lib/userspec.h: Likewise.
  * lib/utimecmp.h: Likewise.
  * lib/utimens.h: Likewise.
  * lib/windows-spawn.h: Likewise.
  * lib/write-any-file.h: Likewise.
  * lib/xbinary-io.h: Likewise.
  * lib/xgetcwd.h: Likewise.
  * lib/xgetdomainname.h: Likewise.
  * lib/xgethostname.h: Likewise.
  * lib/xmemcoll.h: Likewise.
  * lib/xprintf.h: Likewise.
  * lib/xreadlink.h: Likewise.
  * lib/xsize.h: Likewise.
  * lib/xstrndup.h: Likewise.
  * lib/xstrtod.h: Likewise.
  * lib/xstrtol.h: Likewise.
  * lib/yesno.h: Likewise.
  * lib/isnand-nolibm.h (isnand): Declare with C linkage.
  * lib/isnanf-nolibm.h (isnanf): Likewise.
  * lib/isnanl-nolibm.h (isnanl): Likewise.
  

Download

• lib/safe-alloc.h

• /* safe-alloc.h: safer memory allocation
  
     Copyright (C) 2009-2024 Free Software Foundation, Inc.
  
     This file is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as
     published by the Free Software Foundation; either version 2.1 of the
     License, or (at your option) any later version.
  
     This file is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Daniel Berrange and Paul Eggert.  */
  
  #ifndef SAFE_ALLOC_H_
  #define SAFE_ALLOC_H_
  
  /* This file uses _GL_INLINE_HEADER_BEGIN, _GL_INLINE,
     _GL_ATTRIBUTE_NODISCARD.  */
  #if !_GL_CONFIG_H_INCLUDED
   #error "Please include config.h first."
  #endif
  
  #include <stdlib.h>
  #if defined __CHERI_PURE_CAPABILITY__
  # include <cheri.h>
  #endif
  
  _GL_INLINE_HEADER_BEGIN
  #ifndef SAFE_ALLOC_INLINE
  # define SAFE_ALLOC_INLINE _GL_INLINE
  #endif
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  
  /* Don't call these directly - use the macros below.  */
  SAFE_ALLOC_INLINE void *
  safe_alloc_realloc_n (void *ptr, size_t count, size_t size)
  {
    size_t countx = count;
    size_t sizex = size;
    if (count == 0 || size == 0)
      countx = sizex = 1;
    ptr = reallocarray (ptr, countx, sizex);
  #if defined __CHERI_PURE_CAPABILITY__
    if (ptr != NULL && (count == 0 || size == 0))
      ptr = cheri_bounds_set (ptr, 0);
  #endif
    return ptr;
  }
  _GL_ATTRIBUTE_NODISCARD SAFE_ALLOC_INLINE int
  safe_alloc_check (void *ptr)
  {
    /* Return 0 if the allocation was successful, -1 otherwise.  */
    return -!ptr;
  }
  
  /**
   * ALLOC:
   * @ptr: pointer to allocated memory
   *
   * Allocate sizeof *ptr bytes of memory and store
   * the address of allocated memory in 'ptr'.  Fill the
   * newly allocated memory with zeros.
   *
   * Return -1 on failure to allocate, zero on success.
   */
  #define ALLOC(ptr) ALLOC_N (ptr, 1)
  
  /**
   * ALLOC_N:
   * @ptr: pointer to allocated memory
   * @count: number of elements to allocate
   *
   * Allocate an array of 'count' elements, each sizeof *ptr
   * bytes long and store the address of allocated memory in
   * 'ptr'.  Fill the newly allocated memory with zeros.
   *
   * Return -1 on failure, 0 on success.
   */
  #define ALLOC_N(ptr, count) \
    safe_alloc_check ((ptr) = calloc (count, sizeof *(ptr)))
  
  /**
   * ALLOC_N_UNINITIALIZED:
   * @ptr: pointer to allocated memory
   * @count: number of elements to allocate
   *
   * Allocate an array of 'count' elements, each sizeof *ptr
   * bytes long and store the address of allocated memory in
   * 'ptr'.  Do not initialize the new memory at all.
   *
   * Return -1 on failure to allocate, zero on success.
   */
  #define ALLOC_N_UNINITIALIZED(ptr, count) \
    safe_alloc_check ((ptr) = safe_alloc_realloc_n (NULL, count, sizeof *(ptr)))
  
  /**
   * REALLOC_N:
   * @ptr: pointer to allocated memory
   * @count: number of elements to allocate
   *
   * Re-allocate an array of 'count' elements, each sizeof *ptr
   * bytes long and store the address of allocated memory in
   * 'ptr'.  Fill the newly allocated memory with zeros.
   *
   * Return -1 on failure to reallocate, zero on success.
   */
  #define REALLOC_N(ptr, count) \
    safe_alloc_check ((ptr) = safe_alloc_realloc_n (ptr, count, sizeof *(ptr)))
  
  /**
   * FREE:
   * @ptr: pointer holding address to be freed
   *
   * Free the memory stored in 'ptr' and update to point
   * to NULL.
   */
  #define FREE(ptr) ((void) (free (ptr), (ptr) = NULL))
  
  
  #ifdef __cplusplus
  }
  #endif
  
  _GL_INLINE_HEADER_END
  
  #endif /* SAFE_ALLOC_H_ */
  

Download