/* A GNU-like <stdlib.h>.
- Copyright (C) 1995, 2001-2004, 2006-2009 Free Software Foundation, Inc.
+ Copyright (C) 1995, 2001-2004, 2006-2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <stddef.h>
/* Solaris declares getloadavg() in <sys/loadavg.h>. */
-#if @GNULIB_GETLOADAVG@ && @HAVE_SYS_LOADAVG_H@
+#if (@GNULIB_GETLOADAVG@ || defined GNULIB_POSIXCHECK) && @HAVE_SYS_LOADAVG_H@
# include <sys/loadavg.h>
#endif
# include <random.h>
#endif
-#if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@
+#if !@HAVE_STRUCT_RANDOM_DATA@ || (@GNULIB_RANDOM_R@ && !@HAVE_RANDOM_R@) \
+ || defined GNULIB_POSIXCHECK
# include <stdint.h>
#endif
#if !@HAVE_STRUCT_RANDOM_DATA@
struct random_data
{
- int32_t *fptr; /* Front pointer. */
- int32_t *rptr; /* Rear pointer. */
- int32_t *state; /* Array of state values. */
- int rand_type; /* Type of random number generator. */
- int rand_deg; /* Degree of random number generator. */
- int rand_sep; /* Distance between front and rear. */
- int32_t *end_ptr; /* Pointer behind state table. */
+ int32_t *fptr; /* Front pointer. */
+ int32_t *rptr; /* Rear pointer. */
+ int32_t *state; /* Array of state values. */
+ int rand_type; /* Type of random number generator. */
+ int rand_deg; /* Degree of random number generator. */
+ int rand_sep; /* Distance between front and rear. */
+ int32_t *end_ptr; /* Pointer behind state table. */
};
#endif
+#if (@GNULIB_MKSTEMP@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__
+/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
+/* On Cygwin 1.7.1, only <unistd.h> declares getsubopt. */
+/* But avoid namespace pollution on glibc systems. */
+# include <unistd.h>
+#endif
+
/* The definition of GL_LINK_WARNING is copied here. */
+/* The definition of _GL_ARG_NONNULL is copied here. */
+
/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
#ifndef EXIT_SUCCESS
# if !@HAVE_ATOLL@
/* Parse a signed decimal integer.
Returns the value of the integer. Errors are not detected. */
-extern long long atoll (const char *string);
+extern long long atoll (const char *string) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef atoll
# define canonicalize_file_name rpl_canonicalize_file_name
# endif
# if !@HAVE_CANONICALIZE_FILE_NAME@ || @REPLACE_CANONICALIZE_FILE_NAME@
-extern char *canonicalize_file_name (const char *name);
+extern char *canonicalize_file_name (const char *name) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef canonicalize_file_name
The three numbers are the load average of the last 1 minute, the last 5
minutes, and the last 15 minutes, respectively.
LOADAVG is an array of NELEM numbers. */
-extern int getloadavg (double loadavg[], int nelem);
+extern int getloadavg (double loadavg[], int nelem) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef getloadavg
For more details see the POSIX:2001 specification.
http://www.opengroup.org/susv3xsh/getsubopt.html */
# if !@HAVE_GETSUBOPT@
-extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
+extern int getsubopt (char **optionp, char *const *tokens, char **valuep)
+ _GL_ARG_NONNULL ((1, 2, 3));
# endif
#elif defined GNULIB_POSIXCHECK
# undef getsubopt
they are replaced with a string that makes the directory name unique.
Returns TEMPLATE, or a null pointer if it cannot get a unique name.
The directory is created mode 700. */
-extern char * mkdtemp (char * /*template*/);
+extern char * mkdtemp (char * /*template*/) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkdtemp
implementation.
Returns the open file descriptor if successful, otherwise -1 and errno
set. */
-extern int mkostemp (char * /*template*/, int /*flags*/);
+extern int mkostemp (char * /*template*/, int /*flags*/) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkostemp
mkostemp (t, f))
#endif
+#if @GNULIB_MKOSTEMPS@
+# if !@HAVE_MKOSTEMPS@
+/* Create a unique temporary file from TEMPLATE.
+ The last six characters of TEMPLATE before a suffix of length
+ SUFFIXLEN must be "XXXXXX";
+ they are replaced with a string that makes the file name unique.
+ The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
+ and O_TEXT, O_BINARY (defined in "binary-io.h").
+ The file is then created, with the specified flags, ensuring it didn't exist
+ before.
+ The file is created read-write (mask at least 0600 & ~umask), but it may be
+ world-readable and world-writable (mask 0666 & ~umask), depending on the
+ implementation.
+ Returns the open file descriptor if successful, otherwise -1 and errno
+ set. */
+extern int mkostemps (char * /*template*/, int /*suffixlen*/, int /*flags*/)
+ _GL_ARG_NONNULL ((1));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mkostemps
+# define mkostemps(t,s,f) \
+ (GL_LINK_WARNING ("mkostemps is unportable - " \
+ "use gnulib module mkostemps for portability"), \
+ mkostemps (t, s, f))
+#endif
+
#if @GNULIB_MKSTEMP@
# if @REPLACE_MKSTEMP@
/* Create a unique temporary file from TEMPLATE.
Returns the open file descriptor if successful, otherwise -1 and errno
set. */
# define mkstemp rpl_mkstemp
-extern int mkstemp (char * /*template*/);
-# else
-/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
-# include <unistd.h>
+extern int mkstemp (char * /*template*/) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkstemp
mkstemp (t))
#endif
+#if @GNULIB_MKSTEMPS@
+# if !@HAVE_MKSTEMPS@
+/* Create a unique temporary file from TEMPLATE.
+ The last six characters of TEMPLATE prior to a suffix of length
+ SUFFIXLEN must be "XXXXXX";
+ they are replaced with a string that makes the file name unique.
+ The file is then created, ensuring it didn't exist before.
+ The file is created read-write (mask at least 0600 & ~umask), but it may be
+ world-readable and world-writable (mask 0666 & ~umask), depending on the
+ implementation.
+ Returns the open file descriptor if successful, otherwise -1 and errno
+ set. */
+extern int mkstemps (char * /*template*/, int /*suffixlen*/)
+ _GL_ARG_NONNULL ((1));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mkstemps
+# define mkstemps(t,s) \
+ (GL_LINK_WARNING ("mkstemps is unportable - " \
+ "use gnulib module mkstemps for portability"), \
+ mkstemps (t, s))
+#endif
+
#if @GNULIB_PUTENV@
# if @REPLACE_PUTENV@
# undef putenv
# define putenv rpl_putenv
-extern int putenv (char *string);
+extern int putenv (char *string) _GL_ARG_NONNULL ((1));
# endif
#endif
# define RAND_MAX 2147483647
# endif
-int srandom_r (unsigned int seed, struct random_data *rand_state);
+int srandom_r (unsigned int seed, struct random_data *rand_state)
+ _GL_ARG_NONNULL ((2));
int initstate_r (unsigned int seed, char *buf, size_t buf_size,
- struct random_data *rand_state);
-int setstate_r (char *arg_state, struct random_data *rand_state);
-int random_r (struct random_data *buf, int32_t *result);
+ struct random_data *rand_state)
+ _GL_ARG_NONNULL ((2, 4));
+int setstate_r (char *arg_state, struct random_data *rand_state)
+ _GL_ARG_NONNULL ((1, 2));
+int random_r (struct random_data *buf, int32_t *result)
+ _GL_ARG_NONNULL ((1, 2));
# endif
#elif defined GNULIB_POSIXCHECK
# undef random_r
-# define random_r(b,r) \
+# define random_r(b,r) \
(GL_LINK_WARNING ("random_r is unportable - " \
"use gnulib module random_r for portability"), \
random_r (b,r))
# undef initstate_r
-# define initstate_r(s,b,sz,r) \
+# define initstate_r(s,b,sz,r) \
(GL_LINK_WARNING ("initstate_r is unportable - " \
"use gnulib module random_r for portability"), \
initstate_r (s,b,sz,r))
# undef srandom_r
-# define srandom_r(s,r) \
+# define srandom_r(s,r) \
(GL_LINK_WARNING ("srandom_r is unportable - " \
"use gnulib module random_r for portability"), \
srandom_r (s,r))
# undef setstate_r
-# define setstate_r(a,r) \
+# define setstate_r(a,r) \
(GL_LINK_WARNING ("setstate_r is unportable - " \
"use gnulib module random_r for portability"), \
setstate_r (a,r))
# define realpath rpl_realpath
# endif
# if !@HAVE_REALPATH@ || @REPLACE_REALPATH@
-extern char *realpath (const char *name, char *resolved);
+extern char *realpath (const char *name, char *resolved) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef realpath
# if !@HAVE_RPMATCH@
/* Test a user response to a question.
Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
-extern int rpmatch (const char *response);
+extern int rpmatch (const char *response) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef rpmatch
#endif
#if @GNULIB_SETENV@
-# if !@HAVE_SETENV@
+# if @REPLACE_SETENV@
+# undef setenv
+# define setenv rpl_setenv
+# endif
+# if !@HAVE_SETENV@ || @REPLACE_SETENV@
/* Set NAME to VALUE in the environment.
If REPLACE is nonzero, overwrite an existing value. */
-extern int setenv (const char *name, const char *value, int replace);
+extern int setenv (const char *name, const char *value, int replace)
+ _GL_ARG_NONNULL ((1));
# endif
+#elif defined GNULIB_POSIXCHECK
+# undef setenv
+# define setenv(n,v,o) \
+ (GL_LINK_WARNING ("setenv is unportable - " \
+ "use gnulib module setenv for portability"), \
+ setenv (n, v, o))
#endif
#if @GNULIB_STRTOD@
# endif
# if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
/* Parse a double from STRING, updating ENDP if appropriate. */
-extern double strtod (const char *str, char **endp);
+extern double strtod (const char *str, char **endp) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef strtod
stored in *ENDPTR.
Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
to ERANGE. */
-extern long long strtoll (const char *string, char **endptr, int base);
+extern long long strtoll (const char *string, char **endptr, int base)
+ _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef strtoll
stored in *ENDPTR.
Upon overflow, the return value is ULLONG_MAX, and errno is set to
ERANGE. */
-extern unsigned long long strtoull (const char *string, char **endptr, int base);
+extern unsigned long long strtoull (const char *string, char **endptr, int base)
+ _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef strtoull
#endif
#if @GNULIB_UNSETENV@
-# if @HAVE_UNSETENV@
-# if @VOID_UNSETENV@
-/* On some systems, unsetenv() returns void.
- This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
-# define unsetenv(name) ((unsetenv)(name), 0)
-# endif
-# else
+# if @REPLACE_UNSETENV@
+# undef unsetenv
+# define unsetenv rpl_unsetenv
+# endif
+# if !@HAVE_UNSETENV@ || @REPLACE_UNSETENV@
/* Remove the variable NAME from the environment. */
-extern int unsetenv (const char *name);
+extern int unsetenv (const char *name) _GL_ARG_NONNULL ((1));
# endif
+#elif defined GNULIB_POSIXCHECK
+# undef unsetenv
+# define unsetenv(n) \
+ (GL_LINK_WARNING ("unsetenv is unportable - " \
+ "use gnulib module unsetenv for portability"), \
+ unsetenv (n))
#endif
#ifdef __cplusplus
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