kc3-lang/gnulib/modules/safe-alloc

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• Hash : 5d5120d7
  Author :
  Date : 2021-04-18T20:50:55
  

  safe-alloc: fix pointer implementation
  
  The old implementation assumed that all pointers use the same
  internal representation, but the C standard doesn’t guarantee
  this.  Use void * (pointer) not void ** (pointer-to-pointer) for
  the internal functions’ API.  The internal functions now return
  NULL if and only if they failed, and the macros translate that
  into -1 or 0 to satisfy the existing API.
  * doc/safe-alloc.texi (Safe Allocation Macros): Mention overflow.
  * lib/safe-alloc.c: Major rewrite.  Now this simply
  defines SAFE_ALLOC_INLINE and includes safe-alloc.h.
  * lib/safe-alloc.h: Include stddef.h, not stdlib.h.
  (SAFE_ALLOC_INLINE): New macro; use Gnulib inline function style.
  (safe_alloc_realloc_n): New API, which passes and returns
  the pointer, and which returns NULL if and only if failure occurs.
  (safe_alloc_check): New function.
  (ALLOC, ALLOC_N, ALLOC_N_UNINITIALIZED, REALLOC_N):
  Redo using the new API for internal functions, and using calloc
  which is good enough since it’s GNU-compatible now.
  (FREE): Expand to an expression rather than merely to something
  that needs a following ‘;’ to become a statement.
  * modules/safe-alloc (Depends-on): Add calloc-gnu.
  

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• modules/safe-alloc

• Description:
  A set of macros to make calls to alloc/calloc/realloc safer.
  
  Files:
  lib/safe-alloc.h
  lib/safe-alloc.c
  m4/safe-alloc.m4
  
  Depends-on:
  calloc-gnu
  reallocarray
  
  configure.ac:
  gl_SAFE_ALLOC
  
  Makefile.am:
  lib_SOURCES += safe-alloc.c
  
  Include:
  "safe-alloc.h"
  
  License:
  LGPLv2+
  
  Maintainer:
  David Lutterkort
  

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