libvirt/gnulib/lib/stdlib.in.h
2009-01-27 10:29:55 +00:00

384 lines
12 KiB
C

/* A GNU-like <stdlib.h>.
Copyright (C) 1995, 2001-2004, 2006-2009 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
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
#if defined __need_malloc_and_calloc
/* Special invocation convention inside glibc header files. */
#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
#else
/* Normal invocation convention. */
#ifndef _GL_STDLIB_H
/* The include_next requires a split double-inclusion guard. */
#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
#ifndef _GL_STDLIB_H
#define _GL_STDLIB_H
/* Solaris declares getloadavg() in <sys/loadavg.h>. */
#if @GNULIB_GETLOADAVG@ && @HAVE_SYS_LOADAVG_H@
# include <sys/loadavg.h>
#endif
/* 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
#if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@
# 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. */
};
#endif
/* The definition of GL_LINK_WARNING is copied here. */
/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
with proper operation of xargs. */
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#elif EXIT_FAILURE != 1
# undef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if @GNULIB_MALLOC_POSIX@
# if !@HAVE_MALLOC_POSIX@
# undef malloc
# define malloc rpl_malloc
extern void * malloc (size_t size);
# 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))
#endif
#if @GNULIB_REALLOC_POSIX@
# if !@HAVE_REALLOC_POSIX@
# undef realloc
# define realloc rpl_realloc
extern void * realloc (void *ptr, size_t size);
# 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))
#endif
#if @GNULIB_CALLOC_POSIX@
# if !@HAVE_CALLOC_POSIX@
# undef calloc
# define calloc rpl_calloc
extern void * calloc (size_t nmemb, size_t size);
# 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))
#endif
#if @GNULIB_ATOLL@
# 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);
# endif
#elif defined GNULIB_POSIXCHECK
# undef atoll
# define atoll(s) \
(GL_LINK_WARNING ("atoll is unportable - " \
"use gnulib module atoll for portability"), \
atoll (s))
#endif
#if @GNULIB_GETLOADAVG@
# if !@HAVE_DECL_GETLOADAVG@
/* Store max(NELEM,3) load average numbers in LOADAVG[].
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);
# 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))
#endif
#if @GNULIB_GETSUBOPT@
/* Assuming *OPTIONP is a comma separated list of elements of the form
"token" or "token=value", getsubopt parses the first of these elements.
If the first element refers to a "token" that is member of the given
NULL-terminated array of tokens:
- It replaces the comma with a NUL byte, updates *OPTIONP to point past
the first option and the comma, sets *VALUEP to the value of the
element (or NULL if it doesn't contain an "=" sign),
- It returns the index of the "token" in the given array of tokens.
Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
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);
# 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))
#endif
#if @GNULIB_MKDTEMP@
# if !@HAVE_MKDTEMP@
/* Create a unique temporary directory from TEMPLATE.
The last six characters of TEMPLATE must be "XXXXXX";
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*/);
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkdtemp
# define mkdtemp(t) \
(GL_LINK_WARNING ("mkdtemp is unportable - " \
"use gnulib module mkdtemp for portability"), \
mkdtemp (t))
#endif
#if @GNULIB_MKSTEMP@
# if @REPLACE_MKSTEMP@
/* Create a unique temporary file from TEMPLATE.
The last six characters of TEMPLATE 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. */
# define mkstemp rpl_mkstemp
extern int mkstemp (char * /*template*/);
# else
/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
# include <unistd.h>
# endif
#elif defined GNULIB_POSIXCHECK
# undef mkstemp
# define mkstemp(t) \
(GL_LINK_WARNING ("mkstemp is unportable - " \
"use gnulib module mkstemp for portability"), \
mkstemp (t))
#endif
#if @GNULIB_PUTENV@
# if @REPLACE_PUTENV@
# undef putenv
# define putenv rpl_putenv
extern int putenv (char *string);
# endif
#endif
#if @GNULIB_RANDOM_R@
# if !@HAVE_RANDOM_R@
# ifndef RAND_MAX
# define RAND_MAX 2147483647
# endif
int srandom_r (unsigned int seed, struct random_data *rand_state);
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);
# 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))
# 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))
# 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))
# 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))
#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);
# endif
#elif defined GNULIB_POSIXCHECK
# undef rpmatch
# define rpmatch(r) \
(GL_LINK_WARNING ("rpmatch is unportable - " \
"use gnulib module rpmatch for portability"), \
rpmatch (r))
#endif
#if @GNULIB_SETENV@
# if !@HAVE_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);
# 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
/* Remove the variable NAME from the environment. */
extern int unsetenv (const char *name);
# endif
#endif
#if @GNULIB_STRTOD@
# if @REPLACE_STRTOD@
# define strtod rpl_strtod
# endif
# if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
/* Parse a double from STRING, updating ENDP if appropriate. */
extern double strtod (const char *str, char **endp);
# 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))
#endif
#if @GNULIB_STRTOLL@
# if !@HAVE_STRTOLL@
/* Parse a signed integer whose textual representation starts at STRING.
The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
"0x").
If ENDPTR is not NULL, the address of the first byte after the integer is
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);
# 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))
#endif
#if @GNULIB_STRTOULL@
# if !@HAVE_STRTOULL@
/* Parse an unsigned integer whose textual representation starts at STRING.
The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
"0x").
If ENDPTR is not NULL, the address of the first byte after the integer is
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);
# 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))
#endif
#ifdef __cplusplus
}
#endif
#endif /* _GL_STDLIB_H */
#endif /* _GL_STDLIB_H */
#endif