1 # Configure a GNU-like replacement for <string.h>.
3 # Copyright (C) 2007-2020 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 Assume proper GNU behavior unless another module says otherwise.
90 HAVE_EXPLICIT_BZERO=1; AC_SUBST([HAVE_EXPLICIT_BZERO])
91 HAVE_FFSL=1; AC_SUBST([HAVE_FFSL])
92 HAVE_FFSLL=1; AC_SUBST([HAVE_FFSLL])
93 HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM])
94 HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY])
95 HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR])
96 HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR])
97 HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY])
98 HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY])
99 HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL])
100 HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP])
101 HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP])
102 HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN])
103 HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK])
104 HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP])
105 HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR])
106 HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R])
107 HAVE_DECL_STRERROR_R=1; AC_SUBST([HAVE_DECL_STRERROR_R])
108 HAVE_STRERRORNAME_NP=1; AC_SUBST([HAVE_STRERRORNAME_NP])
109 HAVE_SIGABBREV_NP=1; AC_SUBST([HAVE_SIGABBREV_NP])
110 HAVE_SIGDESCR_NP=1; AC_SUBST([HAVE_SIGDESCR_NP])
111 HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL])
112 HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP])
113 REPLACE_MEMCHR=0; AC_SUBST([REPLACE_MEMCHR])
114 REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM])
115 REPLACE_STPNCPY=0; AC_SUBST([REPLACE_STPNCPY])
116 REPLACE_STRCHRNUL=0; AC_SUBST([REPLACE_STRCHRNUL])
117 REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP])
118 REPLACE_STRNCAT=0; AC_SUBST([REPLACE_STRNCAT])
119 REPLACE_STRNDUP=0; AC_SUBST([REPLACE_STRNDUP])
120 REPLACE_STRNLEN=0; AC_SUBST([REPLACE_STRNLEN])
121 REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR])
122 REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR])
123 REPLACE_STRTOK_R=0; AC_SUBST([REPLACE_STRTOK_R])
124 REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR])
125 REPLACE_STRERROR_R=0; AC_SUBST([REPLACE_STRERROR_R])
126 REPLACE_STRERRORNAME_NP=0; AC_SUBST([REPLACE_STRERRORNAME_NP])
127 REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL])
128 UNDEFINE_STRTOK_R=0; AC_SUBST([UNDEFINE_STRTOK_R])