[irc/evilnet/x3.git] / src / compat.h

#ifndef COMPAT_H
#define COMPAT_H

#include "config.h"

/* AIX's compiler requires this to be the first thing in the compiled
 * files.  Yay for braindead compilers. */
#if defined(__GNUC__) && !defined(HAVE_ALLOCA_H)
# define alloca __builtin_alloca
#else
# if defined(HAVE_ALLOCA_H)
#  include <alloca.h>
# else
#  ifdef _AIX
#   pragma alloca
#  else
#   ifndef alloca
char *alloca();
#   endif
#  endif
# endif
#endif

/* These are ANSI C89 headers, so everybody should have them.  If
 * they're missing, we probably don't care much about the platform.
 * If we do, we can add an autoconf test and try to patch around;
 * this is the right file for that, after all :)
 */
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# ifdef HAVE_SYS_TIME_H
#  include <sys/time.h>
# else
#  include <time.h>
# endif
#endif

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif

#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#ifdef HAVE_VA_COPY
#define VA_COPY(DEST, SRC) va_copy(DEST, SRC)
#elif HAVE___VA_COPY
#define VA_COPY(DEST, SRC) __va_copy(DEST, SRC)
#else
#define VA_COPY(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof(DEST))
#endif

#ifndef HAVE_GETTIMEOFDAY
extern int gettimeofday(struct timeval * tv, struct timezone * tz);
#endif

#ifndef HAVE_MEMCPY
/* this should use size_t, but some systems don't define it */
extern void * memcpy(void * dest, void const * src, unsigned long n);
#endif

#ifndef HAVE_MEMSET
/* this should use size_t, but some systems don't define it */
extern void * memset(void * dest, int c, unsigned long n);
#endif

#ifndef HAVE_STRDUP
extern char * strdup(char const * str);
#endif

#ifndef HAVE_STRERROR
extern char const * strerror(int errornum);
#endif

#ifndef HAVE_STRUCT_ADDRINFO

struct addrinfo {
    int ai_flags;
    int ai_family;
    int ai_socktype;
    int ai_protocol;
    size_t ai_addrlen;
    struct sockaddr *ai_addr;
    char *ai_canonname;
    struct addrinfo *ai_next;
};

#define AI_PASSIVE 1
#define AI_CANONNAME 2
#define AI_NUMERICHOST 4

#endif /* !defined(HAVE_STRUCT_ADDRINFO) */

#ifndef HAVE_GETADDRINFO

int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res);
int getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags);
void freeaddrinfo(struct addrinfo *res);

#endif

#ifndef SIGCHLD
# define SIGCHLD SIGCLD
#endif

#endif /* COMPAT_H */
Commit	Line	Data
d76ed9a9	1	#ifndef COMPAT_H
	2	#define COMPAT_H
	3
	4	#include "config.h"
	5
	6	/* AIX's compiler requires this to be the first thing in the compiled
	7	* files. Yay for braindead compilers. */
	8	#if defined(__GNUC__) && !defined(HAVE_ALLOCA_H)
	9	# define alloca __builtin_alloca
	10	#else
	11	# if defined(HAVE_ALLOCA_H)
	12	# include <alloca.h>
	13	# else
	14	# ifdef _AIX
	15	# pragma alloca
	16	# else
	17	# ifndef alloca
	18	char *alloca();
	19	# endif
	20	# endif
	21	# endif
	22	#endif
	23
	24	/* These are ANSI C89 headers, so everybody should have them. If
	25	* they're missing, we probably don't care much about the platform.
	26	* If we do, we can add an autoconf test and try to patch around;
	27	* this is the right file for that, after all :)
	28	*/
	29	#include <assert.h>
	30	#include <ctype.h>
	31	#include <errno.h>
	32	#include <limits.h>
	33	#include <setjmp.h>
	34	#include <signal.h>
	35	#include <stdarg.h>
	36	#include <stddef.h>
	37	#include <stdio.h>
	38	#include <stdlib.h>
	39	#include <string.h>
	40
	41	#ifdef TIME_WITH_SYS_TIME
	42	# include <sys/time.h>
	43	# include <time.h>
	44	#else
	45	# ifdef HAVE_SYS_TIME_H
	46	# include <sys/time.h>
	47	# else
	48	# include <time.h>
	49	# endif
	50	#endif
	51
	52	#ifdef HAVE_SYS_TYPES_H
	53	#include <sys/types.h>
	54	#endif
	55
2f61d1d7	56	#ifdef HAVE_SYS_SOCKET_H
	57	#include <sys/socket.h>
	58	#endif
	59
	60	#ifdef HAVE_NETDB_H
	61	#include <netdb.h>
	62	#endif
	63
d76ed9a9	64	#ifdef HAVE_UNISTD_H
	65	#include <unistd.h>
	66	#endif
	67
	68	#ifdef HAVE_VA_COPY
	69	#define VA_COPY(DEST, SRC) va_copy(DEST, SRC)
	70	#elif HAVE___VA_COPY
	71	#define VA_COPY(DEST, SRC) __va_copy(DEST, SRC)
	72	#else
	73	#define VA_COPY(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof(DEST))
	74	#endif
	75
	76	#ifndef HAVE_GETTIMEOFDAY
	77	extern int gettimeofday(struct timeval * tv, struct timezone * tz);
	78	#endif
	79
	80	#ifndef HAVE_MEMCPY
	81	/* this should use size_t, but some systems don't define it */
	82	extern void * memcpy(void * dest, void const * src, unsigned long n);
	83	#endif
	84
	85	#ifndef HAVE_MEMSET
	86	/* this should use size_t, but some systems don't define it */
	87	extern void * memset(void * dest, int c, unsigned long n);
	88	#endif
	89
	90	#ifndef HAVE_STRDUP
	91	extern char * strdup(char const * str);
	92	#endif
	93
	94	#ifndef HAVE_STRERROR
	95	extern char const * strerror(int errornum);
	96	#endif
	97
2f61d1d7	98	#ifndef HAVE_STRUCT_ADDRINFO
	99
	100	struct addrinfo {
	101	int ai_flags;
	102	int ai_family;
	103	int ai_socktype;
	104	int ai_protocol;
	105	size_t ai_addrlen;
	106	struct sockaddr *ai_addr;
	107	char *ai_canonname;
	108	struct addrinfo *ai_next;
	109	};
	110
	111	#define AI_PASSIVE 1
	112	#define AI_CANONNAME 2
1136f709	113	#define AI_NUMERICHOST 4
2f61d1d7	114
	115	#endif /* !defined(HAVE_STRUCT_ADDRINFO) */
	116
	117	#ifndef HAVE_GETADDRINFO
	118
	119	int getaddrinfo(const char node, const char service, const struct addrinfo hints, struct addrinfo *res);
	120	int getnameinfo(const struct sockaddr sa, socklen_t salen, char host, size_t hostlen, char *serv, size_t servlen, int flags);
	121	void freeaddrinfo(struct addrinfo *res);
	122
	123	#endif
	124
1136f709	125	#ifndef SIGCHLD
	126	# define SIGCHLD SIGCLD
	127	#endif
	128
d76ed9a9	129	#endif /* COMPAT_H */