/* 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
-/* The definition of GL_LINK_WARNING is copied here. */
+#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_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
# 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 atoll(s) \
- (GL_LINK_WARNING ("atoll is unportable - " \
- "use gnulib module atoll for portability"), \
- atoll (s))
+# if HAVE_RAW_DECL_ATOLL
+_GL_WARN_ON_USE (atoll, "atoll is unportable - "
+ "use gnulib module atoll for portability");
+# endif
#endif
#if @GNULIB_CALLOC_POSIX@
# endif
#elif defined GNULIB_POSIXCHECK
# undef calloc
-# define calloc(n,s) \
- (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
- "use gnulib module calloc-posix for portability"), \
- calloc (n, s))
+/* Assume calloc is always declared. */
+_GL_WARN_ON_USE (calloc, "calloc is not POSIX compliant everywhere - "
+ "use gnulib module calloc-posix for portability");
#endif
#if @GNULIB_CANONICALIZE_FILE_NAME@
-# if !@HAVE_CANONICALIZE_FILE_NAME@
-extern char *canonicalize_file_name (const char *name);
+# if @REPLACE_CANONICALIZE_FILE_NAME@
+# 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) _GL_ARG_NONNULL ((1));
# endif
#elif defined GNULIB_POSIXCHECK
# undef canonicalize_file_name
-# define canonicalize_file_name(n) \
- (GL_LINK_WARNING ("canonicalize_file_name is unportable - " \
- "use gnulib module canonicalize-lgpl for portability"), \
- canonicalize_file_name (n))
+# if HAVE_RAW_DECL_CANONICALIZE_FILE_NAME
+_GL_WARN_ON_USE (canonicalize_file_name, "canonicalize_file_name is unportable - "
+ "use gnulib module canonicalize-lgpl for portability");
+# endif
#endif
#if @GNULIB_GETLOADAVG@
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
-# define getloadavg(l,n) \
- (GL_LINK_WARNING ("getloadavg is not portable - " \
- "use gnulib module getloadavg for portability"), \
- getloadavg (l, n))
+# if HAVE_RAW_DECL_GETLOADAVG
+_GL_WARN_ON_USE (getloadavg, "getloadavg is not portable - "
+ "use gnulib module getloadavg for portability");
+# endif
#endif
#if @GNULIB_GETSUBOPT@
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
-# define getsubopt(o,t,v) \
- (GL_LINK_WARNING ("getsubopt is unportable - " \
- "use gnulib module getsubopt for portability"), \
- getsubopt (o, t, v))
+# if HAVE_RAW_DECL_GETSUBOPT
+_GL_WARN_ON_USE (getsubopt, "getsubopt is unportable - "
+ "use gnulib module getsubopt for portability");
+# endif
#endif
#if @GNULIB_MALLOC_POSIX@
# endif
#elif defined GNULIB_POSIXCHECK
# undef malloc
-# define malloc(s) \
- (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
- "use gnulib module malloc-posix for portability"), \
- malloc (s))
+/* Assume malloc is always declared. */
+_GL_WARN_ON_USE (malloc, "malloc is not POSIX compliant everywhere - "
+ "use gnulib module malloc-posix for portability");
#endif
#if @GNULIB_MKDTEMP@
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
-# define mkdtemp(t) \
- (GL_LINK_WARNING ("mkdtemp is unportable - " \
- "use gnulib module mkdtemp for portability"), \
- mkdtemp (t))
+# if HAVE_RAW_DECL_MKDTEMP
+_GL_WARN_ON_USE (mkdtemp, "mkdtemp is unportable - "
+ "use gnulib module mkdtemp for portability");
+# endif
#endif
#if @GNULIB_MKOSTEMP@
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
-# define mkostemp(t,f) \
- (GL_LINK_WARNING ("mkostemp is unportable - " \
- "use gnulib module mkostemp for portability"), \
- mkostemp (t, f))
+# if HAVE_RAW_DECL_MKOSTEMP
+_GL_WARN_ON_USE (mkostemp, "mkostemp is unportable - "
+ "use gnulib module mkostemp for portability");
+# endif
+#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
+# if HAVE_RAW_DECL_MKOSTEMPS
+_GL_WARN_ON_USE (mkostemps, "mkostemps is unportable - "
+ "use gnulib module mkostemps for portability");
+# endif
#endif
#if @GNULIB_MKSTEMP@
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
-# define mkstemp(t) \
- (GL_LINK_WARNING ("mkstemp is unportable - " \
- "use gnulib module mkstemp for portability"), \
- mkstemp (t))
+# if HAVE_RAW_DECL_MKSTEMP
+_GL_WARN_ON_USE (mkstemp, "mkstemp is unportable - "
+ "use gnulib module mkstemp for portability");
+# endif
+#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
+# if HAVE_RAW_DECL_MKSTEMPS
+_GL_WARN_ON_USE (mkstemps, "mkstemps is unportable - "
+ "use gnulib module mkstemps for portability");
+# endif
#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) \
- (GL_LINK_WARNING ("random_r is unportable - " \
- "use gnulib module random_r for portability"), \
- random_r (b,r))
+# if HAVE_RAW_DECL_RANDOM_R
+_GL_WARN_ON_USE (random_r, "random_r is unportable - "
+ "use gnulib module random_r for portability");
+# endif
# undef initstate_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))
+# if HAVE_RAW_DECL_INITSTATE_R
+_GL_WARN_ON_USE (initstate_r, "initstate_r is unportable - "
+ "use gnulib module random_r for portability");
+# endif
# undef srandom_r
-# define srandom_r(s,r) \
- (GL_LINK_WARNING ("srandom_r is unportable - " \
- "use gnulib module random_r for portability"), \
- srandom_r (s,r))
+# if HAVE_RAW_DECL_SRANDOM_R
+_GL_WARN_ON_USE (srandom_r, "srandom_r is unportable - "
+ "use gnulib module random_r for portability");
+# endif
# undef setstate_r
-# define setstate_r(a,r) \
- (GL_LINK_WARNING ("setstate_r is unportable - " \
- "use gnulib module random_r for portability"), \
- setstate_r (a,r))
+# if HAVE_RAW_DECL_SETSTATE_R
+_GL_WARN_ON_USE (setstate_r, "setstate_r is unportable - "
+ "use gnulib module random_r for portability");
+# endif
#endif
#if @GNULIB_REALLOC_POSIX@
# endif
#elif defined GNULIB_POSIXCHECK
# undef realloc
-# define realloc(p,s) \
- (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
- "use gnulib module realloc-posix for portability"), \
- realloc (p, s))
+/* Assume realloc is always declared. */
+_GL_WARN_ON_USE (realloc, "realloc is not POSIX compliant everywhere - "
+ "use gnulib module realloc-posix for portability");
#endif
#if @GNULIB_REALPATH@
# 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
-# define realpath(n,r) \
- (GL_LINK_WARNING ("realpath is unportable - use gnulib module " \
- "canonicalize or canonicalize-lgpl for portability"), \
- realpath (n, r))
+# if HAVE_RAW_DECL_REALPATH
+_GL_WARN_ON_USE (realpath, "realpath is unportable - use gnulib module "
+ "canonicalize or canonicalize-lgpl for portability");
+# endif
#endif
#if @GNULIB_RPMATCH@
# 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
-# define rpmatch(r) \
- (GL_LINK_WARNING ("rpmatch is unportable - " \
- "use gnulib module rpmatch for portability"), \
- rpmatch (r))
+# if HAVE_RAW_DECL_RPMATCH
+_GL_WARN_ON_USE (rpmatch, "rpmatch is unportable - "
+ "use gnulib module rpmatch for portability");
+# endif
#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
+# if HAVE_RAW_DECL_SETENV
+_GL_WARN_ON_USE (setenv, "setenv is unportable - "
+ "use gnulib module setenv for portability");
# endif
#endif
# 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
-# define strtod(s, e) \
- (GL_LINK_WARNING ("strtod is unportable - " \
- "use gnulib module strtod for portability"), \
- strtod (s, e))
+# if HAVE_RAW_DECL_STRTOD
+_GL_WARN_ON_USE (strtod, "strtod is unportable - "
+ "use gnulib module strtod for portability");
+# endif
#endif
#if @GNULIB_STRTOLL@
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
-# define strtoll(s,e,b) \
- (GL_LINK_WARNING ("strtoll is unportable - " \
- "use gnulib module strtoll for portability"), \
- strtoll (s, e, b))
+# if HAVE_RAW_DECL_STRTOLL
+_GL_WARN_ON_USE (strtoll, "strtoll is unportable - "
+ "use gnulib module strtoll for portability");
+# endif
#endif
#if @GNULIB_STRTOULL@
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
-# define strtoull(s,e,b) \
- (GL_LINK_WARNING ("strtoull is unportable - " \
- "use gnulib module strtoull for portability"), \
- strtoull (s, e, b))
+# if HAVE_RAW_DECL_STRTOULL
+_GL_WARN_ON_USE (strtoull, "strtoull is unportable - "
+ "use gnulib module strtoull for portability");
+# endif
#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
+# if HAVE_RAW_DECL_UNSETENV
+_GL_WARN_ON_USE (unsetenv, "unsetenv is unportable - "
+ "use gnulib module unsetenv for portability");
# endif
#endif
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