/* A GNU-like <stdlib.h>.
- Copyright (C) 1995, 2001-2004, 2006-2010 Free Software Foundation, Inc.
+ Copyright (C) 1995, 2001-2004, 2006-2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
# include <sys/loadavg.h>
#endif
+#if @GNULIB_RANDOM_R@
+
/* OSF/1 5.1 declares 'struct random_data' in <random.h>, which is included
- from <stdlib.h> if _REENTRANT is defined. Include it always. */
-#if @HAVE_RANDOM_H@
-# include <random.h>
-#endif
+ from <stdlib.h> if _REENTRANT is defined. Include it whenever we need
+ 'struct random_data'. */
+# if @HAVE_RANDOM_H@
+# include <random.h>
+# endif
-#if !@HAVE_STRUCT_RANDOM_DATA@ || (@GNULIB_RANDOM_R@ && !@HAVE_RANDOM_R@) \
- || defined GNULIB_POSIXCHECK
-# include <stdint.h>
-#endif
+# if !@HAVE_STRUCT_RANDOM_DATA@ || !@HAVE_RANDOM_R@
+# include <stdint.h>
+# endif
-#if !@HAVE_STRUCT_RANDOM_DATA@
+# if !@HAVE_STRUCT_RANDOM_DATA@
/* Define 'struct random_data'.
But allow multiple gnulib generated <stdlib.h> replacements to coexist. */
-# if !GNULIB_defined_struct_random_data
+# if !GNULIB_defined_struct_random_data
struct random_data
{
int32_t *fptr; /* Front pointer. */
int rand_sep; /* Distance between front and rear. */
int32_t *end_ptr; /* Pointer behind state table. */
};
-# define GNULIB_defined_struct_random_data 1
+# define GNULIB_defined_struct_random_data 1
+# endif
# endif
#endif
# include <unistd.h>
#endif
-#ifndef __attribute__
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
-# define __attribute__(Spec) /* empty */
-# endif
+#if 3 <= __GNUC__ || __GNUC__ == 2 && 8 <= __GNUC_MINOR__
+# define _GL_ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
+#else
+# define _GL_ATTRIBUTE_NORETURN
#endif
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
/* Terminate the current process with the given return code, without running
the 'atexit' handlers. */
# if !@HAVE__EXIT@
-_GL_FUNCDECL_SYS (_Exit, void, (int status) __attribute__ ((__noreturn__)));
+_GL_FUNCDECL_SYS (_Exit, void, (int status) _GL_ATTRIBUTE_NORETURN);
# endif
_GL_CXXALIAS_SYS (_Exit, void, (int status));
_GL_CXXALIASWARN (_Exit);
# endif
#endif
+/* If _GL_USE_STDLIB_ALLOC is nonzero, the including module does not
+ rely on GNU or POSIX semantics for malloc and realloc (for example,
+ by never specifying a zero size), so it does not need malloc or
+ realloc to be redefined. */
#if @GNULIB_MALLOC_POSIX@
# if @REPLACE_MALLOC@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
+ || _GL_USE_STDLIB_ALLOC)
# undef malloc
# define malloc rpl_malloc
# endif
_GL_CXXALIAS_SYS (malloc, void *, (size_t size));
# endif
_GL_CXXALIASWARN (malloc);
-#elif defined GNULIB_POSIXCHECK
+#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
# undef malloc
/* Assume malloc is always declared. */
_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
"use gnulib module malloc-posix for portability");
#endif
+/* Convert a multibyte character to a wide character. */
+#if @GNULIB_MBTOWC@
+# if @REPLACE_MBTOWC@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef mbtowc
+# define mbtowc rpl_mbtowc
+# endif
+_GL_FUNCDECL_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
+_GL_CXXALIAS_RPL (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
+# else
+_GL_CXXALIAS_SYS (mbtowc, int, (wchar_t *pwc, const char *s, size_t n));
+# endif
+_GL_CXXALIASWARN (mbtowc);
+#endif
+
#if @GNULIB_MKDTEMP@
/* Create a unique temporary directory from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
#if @GNULIB_REALLOC_POSIX@
# if @REPLACE_REALLOC@
-# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# if !((defined __cplusplus && defined GNULIB_NAMESPACE) \
+ || _GL_USE_STDLIB_ALLOC)
# undef realloc
# define realloc rpl_realloc
# endif
_GL_CXXALIAS_SYS (realloc, void *, (void *ptr, size_t size));
# endif
_GL_CXXALIASWARN (realloc);
-#elif defined GNULIB_POSIXCHECK
+#elif defined GNULIB_POSIXCHECK && !_GL_USE_STDLIB_ALLOC
# undef realloc
/* Assume realloc is always declared. */
_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
_GL_CXXALIAS_RPL (setenv, int,
(const char *name, const char *value, int replace));
# else
-# if !@HAVE_SETENV@
+# if !@HAVE_DECL_SETENV@
_GL_FUNCDECL_SYS (setenv, int,
(const char *name, const char *value, int replace)
_GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_SYS (setenv, int,
(const char *name, const char *value, int replace));
# endif
+# if !(@REPLACE_SETENV@ && !@HAVE_DECL_SETENV@)
_GL_CXXALIASWARN (setenv);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef setenv
# if HAVE_RAW_DECL_SETENV
_GL_FUNCDECL_RPL (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (unsetenv, int, (const char *name));
# else
-# if !@HAVE_UNSETENV@
+# if !@HAVE_DECL_UNSETENV@
_GL_FUNCDECL_SYS (unsetenv, int, (const char *name) _GL_ARG_NONNULL ((1)));
# endif
_GL_CXXALIAS_SYS (unsetenv, int, (const char *name));
# endif
+# if !(@REPLACE_UNSETENV@ && !@HAVE_DECL_UNSETENV@)
_GL_CXXALIASWARN (unsetenv);
+# endif
#elif defined GNULIB_POSIXCHECK
# undef unsetenv
# if HAVE_RAW_DECL_UNSETENV
# endif
#endif
+/* Convert a wide character to a multibyte character. */
+#if @GNULIB_WCTOMB@
+# if @REPLACE_WCTOMB@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef wctomb
+# define wctomb rpl_wctomb
+# endif
+_GL_FUNCDECL_RPL (wctomb, int, (char *s, wchar_t wc));
+_GL_CXXALIAS_RPL (wctomb, int, (char *s, wchar_t wc));
+# else
+_GL_CXXALIAS_SYS (wctomb, int, (char *s, wchar_t wc));
+# endif
+_GL_CXXALIASWARN (wctomb);
+#endif
+
#endif /* _GL_STDLIB_H */
#endif /* _GL_STDLIB_H */
HCoop / bpt / guile.git / blobdiff