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Don't use alloca or include <alloca.h>.

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unsigned -> unsigned int
(EXIT_SUCCESS, EXIT_FAILURE, EXIT_TROUBLE): Define if not defined.
Include signal.h.
(SA_RESTART): Define if not defined.
(SIGCHLD): Likewise.
This commit is contained in:
Paul Eggert 2002-02-28 05:22:26 +00:00
parent 3064374e47
commit 52fbd2fdd4
1 changed files with 24 additions and 26 deletions
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50
src/system.h
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@ -37,27 +37,6 @@
# define volatile
#endif
/* Handle `alloca' now, since the AIX pragma must occur before any
system include files. */
#if ! HAVE_C_VARARRAYS
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
# pragma alloca
# else
# ifdef _WIN32
# include <malloc.h>
# include <io.h>
# else
# ifndef alloca
void *alloca (size_t);
# endif
# endif
# endif
# endif
#endif
/* Verify a requirement at compile-time (unlike assert, which is runtime). */
#define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; }
@ -174,7 +153,7 @@ void *alloca (size_t);
# include <sys/wait.h>
#endif
#ifndef WEXITSTATUS
# define WEXITSTATUS(stat_val) ((unsigned) (stat_val) >> 8)
# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
#endif
#ifndef WIFEXITED
# define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
@ -212,6 +191,14 @@ void *alloca (size_t);
char *getenv ();
# endif
#endif
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
#if !EXIT_FAILURE
# undef EXIT_FAILURE /* Sony NEWS-OS 4.0C defines EXIT_FAILURE to 0. */
# define EXIT_FAILURE 1
#endif
#define EXIT_TROUBLE 2
#include <limits.h>
@ -266,7 +253,7 @@ void *memchr ();
#if STDC_HEADERS
# define CTYPE_DOMAIN(c) 1
#else
# define CTYPE_DOMAIN(c) ((unsigned) (c) <= 0177)
# define CTYPE_DOMAIN(c) ((unsigned int) (c) <= 0177)
#endif
#define ISPRINT(c) (CTYPE_DOMAIN (c) && isprint (c))
#define ISSPACE(c) (CTYPE_DOMAIN (c) && isspace (c))
@ -284,17 +271,28 @@ void *memchr ();
- Its arg may be any int or unsigned int; it need not be an unsigned char.
- It's guaranteed to evaluate its argument exactly once.
- It's typically faster.
POSIX 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that
only '0' through '9' are digits. POSIX 1003.1-2001 is unchanged here.
POSIX 1003.1-2001 says that only '0' through '9' are digits.
Prefer ISDIGIT to isdigit unless it's important to use the locale's
definition of `digit' even when the host does not conform to POSIX. */
#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
#define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
#include <errno.h>
#if !STDC_HEADERS
extern int errno;
#endif
#include <signal.h>
#ifndef SA_RESTART
# ifdef SA_INTERRUPT /* e.g. SunOS 4.1.x */
# define SA_RESTART SA_INTERRUPT
# else
# define SA_RESTART 0
# endif
#endif
#if !defined SIGCHLD && defined SIGCLD
# define SIGCHLD SIGCLD
#endif
#undef MIN
#undef MAX
#define MIN(a, b) ((a) <= (b) ? (a) : (b))