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-rw-r--r--m4/string_h.m4115
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diff --git a/m4/string_h.m4 b/m4/string_h.m4
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1# Configure a GNU-like replacement for <string.h>.
2
3# Copyright (C) 2007-2011 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 19
9
10# Written by Paul Eggert.
11
12AC_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
19AC_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 [memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul strdup
31 strncat strndup strnlen strpbrk strsep strcasestr strtok_r strerror_r
32 strsignal strverscmp])
33])
34
35AC_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
44AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
45[
46 GNULIB_MEMCHR=0; AC_SUBST([GNULIB_MEMCHR])
47 GNULIB_MEMMEM=0; AC_SUBST([GNULIB_MEMMEM])
48 GNULIB_MEMPCPY=0; AC_SUBST([GNULIB_MEMPCPY])
49 GNULIB_MEMRCHR=0; AC_SUBST([GNULIB_MEMRCHR])
50 GNULIB_RAWMEMCHR=0; AC_SUBST([GNULIB_RAWMEMCHR])
51 GNULIB_STPCPY=0; AC_SUBST([GNULIB_STPCPY])
52 GNULIB_STPNCPY=0; AC_SUBST([GNULIB_STPNCPY])
53 GNULIB_STRCHRNUL=0; AC_SUBST([GNULIB_STRCHRNUL])
54 GNULIB_STRDUP=0; AC_SUBST([GNULIB_STRDUP])
55 GNULIB_STRNCAT=0; AC_SUBST([GNULIB_STRNCAT])
56 GNULIB_STRNDUP=0; AC_SUBST([GNULIB_STRNDUP])
57 GNULIB_STRNLEN=0; AC_SUBST([GNULIB_STRNLEN])
58 GNULIB_STRPBRK=0; AC_SUBST([GNULIB_STRPBRK])
59 GNULIB_STRSEP=0; AC_SUBST([GNULIB_STRSEP])
60 GNULIB_STRSTR=0; AC_SUBST([GNULIB_STRSTR])
61 GNULIB_STRCASESTR=0; AC_SUBST([GNULIB_STRCASESTR])
62 GNULIB_STRTOK_R=0; AC_SUBST([GNULIB_STRTOK_R])
63 GNULIB_MBSLEN=0; AC_SUBST([GNULIB_MBSLEN])
64 GNULIB_MBSNLEN=0; AC_SUBST([GNULIB_MBSNLEN])
65 GNULIB_MBSCHR=0; AC_SUBST([GNULIB_MBSCHR])
66 GNULIB_MBSRCHR=0; AC_SUBST([GNULIB_MBSRCHR])
67 GNULIB_MBSSTR=0; AC_SUBST([GNULIB_MBSSTR])
68 GNULIB_MBSCASECMP=0; AC_SUBST([GNULIB_MBSCASECMP])
69 GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
70 GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
71 GNULIB_MBSCASESTR=0; AC_SUBST([GNULIB_MBSCASESTR])
72 GNULIB_MBSCSPN=0; AC_SUBST([GNULIB_MBSCSPN])
73 GNULIB_MBSPBRK=0; AC_SUBST([GNULIB_MBSPBRK])
74 GNULIB_MBSSPN=0; AC_SUBST([GNULIB_MBSSPN])
75 GNULIB_MBSSEP=0; AC_SUBST([GNULIB_MBSSEP])
76 GNULIB_MBSTOK_R=0; AC_SUBST([GNULIB_MBSTOK_R])
77 GNULIB_STRERROR=0; AC_SUBST([GNULIB_STRERROR])
78 GNULIB_STRERROR_R=0; AC_SUBST([GNULIB_STRERROR_R])
79 GNULIB_STRSIGNAL=0; AC_SUBST([GNULIB_STRSIGNAL])
80 GNULIB_STRVERSCMP=0; AC_SUBST([GNULIB_STRVERSCMP])
81 HAVE_MBSLEN=0; AC_SUBST([HAVE_MBSLEN])
82 dnl Assume proper GNU behavior unless another module says otherwise.
83 HAVE_MEMCHR=1; AC_SUBST([HAVE_MEMCHR])
84 HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM])
85 HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY])
86 HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR])
87 HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR])
88 HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY])
89 HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY])
90 HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL])
91 HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP])
92 HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP])
93 HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN])
94 HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK])
95 HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP])
96 HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR])
97 HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R])
98 HAVE_DECL_STRERROR_R=1; AC_SUBST([HAVE_DECL_STRERROR_R])
99 HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL])
100 HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP])
101 REPLACE_MEMCHR=0; AC_SUBST([REPLACE_MEMCHR])
102 REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM])
103 REPLACE_STPNCPY=0; AC_SUBST([REPLACE_STPNCPY])
104 REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP])
105 REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR])
106 REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR])
107 REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR])
108 REPLACE_STRERROR_R=0; AC_SUBST([REPLACE_STRERROR_R])
109 REPLACE_STRNCAT=0; AC_SUBST([REPLACE_STRNCAT])
110 REPLACE_STRNDUP=0; AC_SUBST([REPLACE_STRNDUP])
111 REPLACE_STRNLEN=0; AC_SUBST([REPLACE_STRNLEN])
112 REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL])
113 REPLACE_STRTOK_R=0; AC_SUBST([REPLACE_STRTOK_R])
114 UNDEFINE_STRTOK_R=0; AC_SUBST([UNDEFINE_STRTOK_R])
115])