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 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_STRSIGNAL=0; AC_SUBST([GNULIB_STRSIGNAL])
84 GNULIB_STRVERSCMP=0; AC_SUBST([GNULIB_STRVERSCMP])
85 HAVE_MBSLEN=0; AC_SUBST([HAVE_MBSLEN])
86 dnl Assume proper GNU behavior unless another module says otherwise.
87 HAVE_EXPLICIT_BZERO=1; AC_SUBST([HAVE_EXPLICIT_BZERO])
88 HAVE_FFSL=1; AC_SUBST([HAVE_FFSL])
89 HAVE_FFSLL=1; AC_SUBST([HAVE_FFSLL])
90 HAVE_MEMCHR=1; AC_SUBST([HAVE_MEMCHR])
91 HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM])
92 HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY])
93 HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR])
94 HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR])
95 HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY])
96 HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY])
97 HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL])
98 HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP])
99 HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP])
100 HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN])
101 HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK])
102 HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP])
103 HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR])
104 HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R])
105 HAVE_DECL_STRERROR_R=1; AC_SUBST([HAVE_DECL_STRERROR_R])
106 HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL])
107 HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP])
108 REPLACE_MEMCHR=0; AC_SUBST([REPLACE_MEMCHR])
109 REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM])
110 REPLACE_STPNCPY=0; AC_SUBST([REPLACE_STPNCPY])
111 REPLACE_STRCHRNUL=0; AC_SUBST([REPLACE_STRCHRNUL])
112 REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP])
113 REPLACE_STRNCAT=0; AC_SUBST([REPLACE_STRNCAT])
114 REPLACE_STRNDUP=0; AC_SUBST([REPLACE_STRNDUP])
115 REPLACE_STRNLEN=0; AC_SUBST([REPLACE_STRNLEN])
116 REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR])
117 REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR])
118 REPLACE_STRTOK_R=0; AC_SUBST([REPLACE_STRTOK_R])
119 REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR])
120 REPLACE_STRERROR_R=0; AC_SUBST([REPLACE_STRERROR_R])
121 REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL])
122 UNDEFINE_STRTOK_R=0; AC_SUBST([UNDEFINE_STRTOK_R])