gnulib/import/m4/string_h.m4

   1 # Configure a GNU-like replacement for <string.h>.
   2
   3 # Copyright (C) 2007-2019 Free Software Foundation, Inc.
   4 # This file is free software; the Free Software Foundation
   5 # gives unlimited permission to copy and/or distribute it,
   6 # with or without modifications, as long as this notice is preserved.
   7
   8 # serial 22
   9
  10 # Written by Paul Eggert.
  11
  12 AC_DEFUN([gl_HEADER_STRING_H],
  13 [
  14   dnl Use AC_REQUIRE here, so that the default behavior below is expanded
  15   dnl once only, before all statements that occur in other macros.
  16   AC_REQUIRE([gl_HEADER_STRING_H_BODY])
  17 ])
  18
  19 AC_DEFUN([gl_HEADER_STRING_H_BODY],
  20 [
  21   AC_REQUIRE([AC_C_RESTRICT])
  22   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  23   gl_NEXT_HEADERS([string.h])
  24
  25   dnl Check for declarations of anything we want to poison if the
  26   dnl corresponding gnulib module is not in use, and which is not
  27   dnl guaranteed by C89.
  28   gl_WARN_ON_USE_PREPARE([[#include <string.h>
  29     ]],
  30     [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul
  31      strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r
  32      strerror_r strsignal strverscmp])
  33 ])
  34
  35 AC_DEFUN([gl_STRING_MODULE_INDICATOR],
  36 [
  37   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  38   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  39   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  40   dnl Define it also as a C macro, for the benefit of the unit tests.
  41   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  42 ])
  43
  44 AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
  45 [
  46   GNULIB_EXPLICIT_BZERO=0; AC_SUBST([GNULIB_EXPLICIT_BZERO])
  47   GNULIB_FFSL=0;        AC_SUBST([GNULIB_FFSL])
  48   GNULIB_FFSLL=0;       AC_SUBST([GNULIB_FFSLL])
  49   GNULIB_MEMCHR=0;      AC_SUBST([GNULIB_MEMCHR])
  50   GNULIB_MEMMEM=0;      AC_SUBST([GNULIB_MEMMEM])
  51   GNULIB_MEMPCPY=0;     AC_SUBST([GNULIB_MEMPCPY])
  52   GNULIB_MEMRCHR=0;     AC_SUBST([GNULIB_MEMRCHR])
  53   GNULIB_RAWMEMCHR=0;   AC_SUBST([GNULIB_RAWMEMCHR])
  54   GNULIB_STPCPY=0;      AC_SUBST([GNULIB_STPCPY])
  55   GNULIB_STPNCPY=0;     AC_SUBST([GNULIB_STPNCPY])
  56   GNULIB_STRCHRNUL=0;   AC_SUBST([GNULIB_STRCHRNUL])
  57   GNULIB_STRDUP=0;      AC_SUBST([GNULIB_STRDUP])
  58   GNULIB_STRNCAT=0;     AC_SUBST([GNULIB_STRNCAT])
  59   GNULIB_STRNDUP=0;     AC_SUBST([GNULIB_STRNDUP])
  60   GNULIB_STRNLEN=0;     AC_SUBST([GNULIB_STRNLEN])
  61   GNULIB_STRPBRK=0;     AC_SUBST([GNULIB_STRPBRK])
  62   GNULIB_STRSEP=0;      AC_SUBST([GNULIB_STRSEP])
  63   GNULIB_STRSTR=0;      AC_SUBST([GNULIB_STRSTR])
  64   GNULIB_STRCASESTR=0;  AC_SUBST([GNULIB_STRCASESTR])
  65   GNULIB_STRTOK_R=0;    AC_SUBST([GNULIB_STRTOK_R])
  66   GNULIB_MBSLEN=0;      AC_SUBST([GNULIB_MBSLEN])
  67   GNULIB_MBSNLEN=0;     AC_SUBST([GNULIB_MBSNLEN])
  68   GNULIB_MBSCHR=0;      AC_SUBST([GNULIB_MBSCHR])
  69   GNULIB_MBSRCHR=0;     AC_SUBST([GNULIB_MBSRCHR])
  70   GNULIB_MBSSTR=0;      AC_SUBST([GNULIB_MBSSTR])
  71   GNULIB_MBSCASECMP=0;  AC_SUBST([GNULIB_MBSCASECMP])
  72   GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
  73   GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
  74   GNULIB_MBSCASESTR=0;  AC_SUBST([GNULIB_MBSCASESTR])
  75   GNULIB_MBSCSPN=0;     AC_SUBST([GNULIB_MBSCSPN])
  76   GNULIB_MBSPBRK=0;     AC_SUBST([GNULIB_MBSPBRK])
  77   GNULIB_MBSSPN=0;      AC_SUBST([GNULIB_MBSSPN])
  78   GNULIB_MBSSEP=0;      AC_SUBST([GNULIB_MBSSEP])
  79   GNULIB_MBSTOK_R=0;    AC_SUBST([GNULIB_MBSTOK_R])
  80   GNULIB_STRERROR=0;    AC_SUBST([GNULIB_STRERROR])
  81   GNULIB_STRERROR_R=0;  AC_SUBST([GNULIB_STRERROR_R])
  82   GNULIB_STRSIGNAL=0;   AC_SUBST([GNULIB_STRSIGNAL])
  83   GNULIB_STRVERSCMP=0;  AC_SUBST([GNULIB_STRVERSCMP])
  84   HAVE_MBSLEN=0;        AC_SUBST([HAVE_MBSLEN])
  85   dnl Assume proper GNU behavior unless another module says otherwise.
  86   HAVE_EXPLICIT_BZERO=1;        AC_SUBST([HAVE_EXPLICIT_BZERO])
  87   HAVE_FFSL=1;                  AC_SUBST([HAVE_FFSL])
  88   HAVE_FFSLL=1;                 AC_SUBST([HAVE_FFSLL])
  89   HAVE_MEMCHR=1;                AC_SUBST([HAVE_MEMCHR])
  90   HAVE_DECL_MEMMEM=1;           AC_SUBST([HAVE_DECL_MEMMEM])
  91   HAVE_MEMPCPY=1;               AC_SUBST([HAVE_MEMPCPY])
  92   HAVE_DECL_MEMRCHR=1;          AC_SUBST([HAVE_DECL_MEMRCHR])
  93   HAVE_RAWMEMCHR=1;             AC_SUBST([HAVE_RAWMEMCHR])
  94   HAVE_STPCPY=1;                AC_SUBST([HAVE_STPCPY])
  95   HAVE_STPNCPY=1;               AC_SUBST([HAVE_STPNCPY])
  96   HAVE_STRCHRNUL=1;             AC_SUBST([HAVE_STRCHRNUL])
  97   HAVE_DECL_STRDUP=1;           AC_SUBST([HAVE_DECL_STRDUP])
  98   HAVE_DECL_STRNDUP=1;          AC_SUBST([HAVE_DECL_STRNDUP])
  99   HAVE_DECL_STRNLEN=1;          AC_SUBST([HAVE_DECL_STRNLEN])
 100   HAVE_STRPBRK=1;               AC_SUBST([HAVE_STRPBRK])
 101   HAVE_STRSEP=1;                AC_SUBST([HAVE_STRSEP])
 102   HAVE_STRCASESTR=1;            AC_SUBST([HAVE_STRCASESTR])
 103   HAVE_DECL_STRTOK_R=1;         AC_SUBST([HAVE_DECL_STRTOK_R])
 104   HAVE_DECL_STRERROR_R=1;       AC_SUBST([HAVE_DECL_STRERROR_R])
 105   HAVE_DECL_STRSIGNAL=1;        AC_SUBST([HAVE_DECL_STRSIGNAL])
 106   HAVE_STRVERSCMP=1;            AC_SUBST([HAVE_STRVERSCMP])
 107   REPLACE_MEMCHR=0;             AC_SUBST([REPLACE_MEMCHR])
 108   REPLACE_MEMMEM=0;             AC_SUBST([REPLACE_MEMMEM])
 109   REPLACE_STPNCPY=0;            AC_SUBST([REPLACE_STPNCPY])
 110   REPLACE_STRCHRNUL=0;          AC_SUBST([REPLACE_STRCHRNUL])
 111   REPLACE_STRDUP=0;             AC_SUBST([REPLACE_STRDUP])
 112   REPLACE_STRNCAT=0;            AC_SUBST([REPLACE_STRNCAT])
 113   REPLACE_STRNDUP=0;            AC_SUBST([REPLACE_STRNDUP])
 114   REPLACE_STRNLEN=0;            AC_SUBST([REPLACE_STRNLEN])
 115   REPLACE_STRSTR=0;             AC_SUBST([REPLACE_STRSTR])
 116   REPLACE_STRCASESTR=0;         AC_SUBST([REPLACE_STRCASESTR])
 117   REPLACE_STRTOK_R=0;           AC_SUBST([REPLACE_STRTOK_R])
 118   REPLACE_STRERROR=0;           AC_SUBST([REPLACE_STRERROR])
 119   REPLACE_STRERROR_R=0;         AC_SUBST([REPLACE_STRERROR_R])
 120   REPLACE_STRSIGNAL=0;          AC_SUBST([REPLACE_STRSIGNAL])
 121   UNDEFINE_STRTOK_R=0;          AC_SUBST([UNDEFINE_STRTOK_R])
 122 ])