1 # Configure a GNU-like replacement for <string.h>.
3 # Copyright (C) 2007-2021 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.
10 # Written by Paul Eggert.
12 AC_DEFUN([gl_HEADER_STRING_H],
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])
19 AC_DEFUN([gl_HEADER_STRING_H_BODY],
21 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
22 gl_NEXT_HEADERS([string.h])
24 dnl Check for declarations of anything we want to poison if the
25 dnl corresponding gnulib module is not in use, and which is not
26 dnl guaranteed by C89.
27 gl_WARN_ON_USE_PREPARE([[#include <string.h>
29 [ffsl ffsll memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul
30 strdup strncat strndup strnlen strpbrk strsep strcasestr strtok_r
31 strerror_r strerrorname_np sigabbrev_np sigdescr_np strsignal strverscmp])
33 AC_REQUIRE([AC_C_RESTRICT])
36 AC_DEFUN([gl_STRING_MODULE_INDICATOR],
38 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
39 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
40 gl_MODULE_INDICATOR_SET_VARIABLE([$1])
41 dnl Define it also as a C macro, for the benefit of the unit tests.
42 gl_MODULE_INDICATOR_FOR_TESTS([$1])
45 AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
47 GNULIB_EXPLICIT_BZERO=0; AC_SUBST([GNULIB_EXPLICIT_BZERO])
48 GNULIB_FFSL=0; AC_SUBST([GNULIB_FFSL])
49 GNULIB_FFSLL=0; AC_SUBST([GNULIB_FFSLL])
50 GNULIB_MEMCHR=0; AC_SUBST([GNULIB_MEMCHR])
51 GNULIB_MEMMEM=0; AC_SUBST([GNULIB_MEMMEM])
52 GNULIB_MEMPCPY=0; AC_SUBST([GNULIB_MEMPCPY])
53 GNULIB_MEMRCHR=0; AC_SUBST([GNULIB_MEMRCHR])
54 GNULIB_RAWMEMCHR=0; AC_SUBST([GNULIB_RAWMEMCHR])
55 GNULIB_STPCPY=0; AC_SUBST([GNULIB_STPCPY])
56 GNULIB_STPNCPY=0; AC_SUBST([GNULIB_STPNCPY])
57 GNULIB_STRCHRNUL=0; AC_SUBST([GNULIB_STRCHRNUL])
58 GNULIB_STRDUP=0; AC_SUBST([GNULIB_STRDUP])
59 GNULIB_STRNCAT=0; AC_SUBST([GNULIB_STRNCAT])
60 GNULIB_STRNDUP=0; AC_SUBST([GNULIB_STRNDUP])
61 GNULIB_STRNLEN=0; AC_SUBST([GNULIB_STRNLEN])
62 GNULIB_STRPBRK=0; AC_SUBST([GNULIB_STRPBRK])
63 GNULIB_STRSEP=0; AC_SUBST([GNULIB_STRSEP])
64 GNULIB_STRSTR=0; AC_SUBST([GNULIB_STRSTR])
65 GNULIB_STRCASESTR=0; AC_SUBST([GNULIB_STRCASESTR])
66 GNULIB_STRTOK_R=0; AC_SUBST([GNULIB_STRTOK_R])
67 GNULIB_MBSLEN=0; AC_SUBST([GNULIB_MBSLEN])
68 GNULIB_MBSNLEN=0; AC_SUBST([GNULIB_MBSNLEN])
69 GNULIB_MBSCHR=0; AC_SUBST([GNULIB_MBSCHR])
70 GNULIB_MBSRCHR=0; AC_SUBST([GNULIB_MBSRCHR])
71 GNULIB_MBSSTR=0; AC_SUBST([GNULIB_MBSSTR])
72 GNULIB_MBSCASECMP=0; AC_SUBST([GNULIB_MBSCASECMP])
73 GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
74 GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
75 GNULIB_MBSCASESTR=0; AC_SUBST([GNULIB_MBSCASESTR])
76 GNULIB_MBSCSPN=0; AC_SUBST([GNULIB_MBSCSPN])
77 GNULIB_MBSPBRK=0; AC_SUBST([GNULIB_MBSPBRK])
78 GNULIB_MBSSPN=0; AC_SUBST([GNULIB_MBSSPN])
79 GNULIB_MBSSEP=0; AC_SUBST([GNULIB_MBSSEP])
80 GNULIB_MBSTOK_R=0; AC_SUBST([GNULIB_MBSTOK_R])
81 GNULIB_STRERROR=0; AC_SUBST([GNULIB_STRERROR])
82 GNULIB_STRERROR_R=0; AC_SUBST([GNULIB_STRERROR_R])
83 GNULIB_STRERRORNAME_NP=0; AC_SUBST([GNULIB_STRERRORNAME_NP])
84 GNULIB_SIGABBREV_NP=0; AC_SUBST([GNULIB_SIGABBREV_NP])
85 GNULIB_SIGDESCR_NP=0; AC_SUBST([GNULIB_SIGDESCR_NP])
86 GNULIB_STRSIGNAL=0; AC_SUBST([GNULIB_STRSIGNAL])
87 GNULIB_STRVERSCMP=0; AC_SUBST([GNULIB_STRVERSCMP])
88 HAVE_MBSLEN=0; AC_SUBST([HAVE_MBSLEN])
89 dnl Support Microsoft deprecated alias function names by default.
90 GNULIB_MDA_MEMCCPY=1; AC_SUBST([GNULIB_MDA_MEMCCPY])
91 GNULIB_MDA_STRDUP=1; AC_SUBST([GNULIB_MDA_STRDUP])
92 dnl Assume proper GNU behavior unless another module says otherwise.
93 HAVE_EXPLICIT_BZERO=1; AC_SUBST([HAVE_EXPLICIT_BZERO])
94 HAVE_FFSL=1; AC_SUBST([HAVE_FFSL])
95 HAVE_FFSLL=1; AC_SUBST([HAVE_FFSLL])
96 HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM])
97 HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY])
98 HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR])
99 HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR])
100 HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY])
101 HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY])
102 HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL])
103 HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP])
104 HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP])
105 HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN])
106 HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK])
107 HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP])
108 HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR])
109 HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R])
110 HAVE_DECL_STRERROR_R=1; AC_SUBST([HAVE_DECL_STRERROR_R])
111 HAVE_STRERRORNAME_NP=1; AC_SUBST([HAVE_STRERRORNAME_NP])
112 HAVE_SIGABBREV_NP=1; AC_SUBST([HAVE_SIGABBREV_NP])
113 HAVE_SIGDESCR_NP=1; AC_SUBST([HAVE_SIGDESCR_NP])
114 HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL])
115 HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP])
116 REPLACE_FFSLL=0; AC_SUBST([REPLACE_FFSLL])
117 REPLACE_MEMCHR=0; AC_SUBST([REPLACE_MEMCHR])
118 REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM])
119 REPLACE_STPNCPY=0; AC_SUBST([REPLACE_STPNCPY])
120 REPLACE_STRCHRNUL=0; AC_SUBST([REPLACE_STRCHRNUL])
121 REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP])
122 REPLACE_STRNCAT=0; AC_SUBST([REPLACE_STRNCAT])
123 REPLACE_STRNDUP=0; AC_SUBST([REPLACE_STRNDUP])
124 REPLACE_STRNLEN=0; AC_SUBST([REPLACE_STRNLEN])
125 REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR])
126 REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR])
127 REPLACE_STRTOK_R=0; AC_SUBST([REPLACE_STRTOK_R])
128 REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR])
129 REPLACE_STRERROR_R=0; AC_SUBST([REPLACE_STRERROR_R])
130 REPLACE_STRERRORNAME_NP=0; AC_SUBST([REPLACE_STRERRORNAME_NP])
131 REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL])
132 UNDEFINE_STRTOK_R=0; AC_SUBST([UNDEFINE_STRTOK_R])