3 /* gras/sysdep.h -- all system dependency */
4 /* no system header should be loaded out of this file so that we have only */
5 /* one file to check when porting to another OS */
7 /* Authors: Martin Quinson */
8 /* Copyright (C) 2004 the OURAGAN project. */
10 /* This program is free software; you can redistribute it and/or modify it
11 under the terms of the license (GNU LGPL) which comes with this package. */
14 #ifndef _GRAS_SYSDEP_H
15 #define _GRAS_SYSDEP_H
17 #include <string.h> /* Included directly for speed */
19 #include <time.h> /* FIXME: remove */
20 #include <unistd.h> /* FIXME: remove */
26 #define __CALLOC_OP(n, s) calloc((n), (s))
27 #define __REALLOC_OP(n, s) realloc((n), (s))
28 #define CALLOC(n, s) ((__CALLOC_OP ((n)?:(FAILURE("attempt to alloc 0 bytes"), 0), (s)?:(FAILURE("attempt to alloc 0 bytes"), 0)))?:(FAILURE("memory allocation error"), NULL))
29 /* #define REALLOC(p, s) ((__REALLOC_OP ((p), (s)?:(FAILURE("attempt to alloc 0 bytes"), 0)))?:(FAILURE("memory reallocation error"), NULL)) */
30 #define REALLOC(p, s) (__REALLOC_OP ((p), (s)))
33 #define gras_strdup(s) ((s)?(strdup(s)?:(gras_die("memory allocation error"),NULL))\
35 #define gras_malloc(n) (malloc(n) ?: (gras_die("memory allocation error"),NULL))
36 #define gras_malloc0(n) (calloc( (n),1 ) ?: (gras_die("memory allocation error"),NULL))
37 #define gras_realloc(p,s) (s? (p? (realloc(p,s)?:gras_die("memory allocation error"),NULL) \
39 : (p? (free(p),NULL) \
41 #define gras_free free /*nothing specific to do here. A poor valgrind replacement?*/
42 #define gras_free_fct free /* replacement with the guareenty of being a function */
44 #define gras_new(type, count) ((type*)gras_malloc (sizeof (type) * (count)))
45 #define gras_new0(type, count) ((type*)gras_malloc0 (sizeof (type) * (count)))
47 /* Attributes are only in recent versions of GCC */
49 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
50 # define _GRAS_GNUC_PRINTF( format_idx, arg_idx ) \
51 __attribute__((__format__ (__printf__, format_idx, arg_idx)))
52 # define _GRAS_GNUC_SCANF( format_idx, arg_idx ) \
53 __attribute__((__format__ (__scanf__, format_idx, arg_idx)))
54 # define _GRAS_GNUC_FORMAT( arg_idx ) \
55 __attribute__((__format_arg__ (arg_idx)))
56 # define _GRAS_GNUC_NORETURN __attribute__((__noreturn__))
59 # define _GRAS_GNUC_PRINTF( format_idx, arg_idx )
60 # define _GRAS_GNUC_SCANF( format_idx, arg_idx )
61 # define _GRAS_GNUC_FORMAT( arg_idx )
62 # define _GRAS_GNUC_NORETURN
64 #endif /* !__GNUC__ */
66 /* inline and __FUNCTION__ are only in GCC when -ansi is of */
68 #if defined(__GNUC__) && ! defined(__STRICT_ANSI__)
70 # define _GRAS_GNUC_FUNCTION __FUNCTION__
71 # define _GRAS_INLINE inline
73 # define _GRAS_GNUC_FUNCTION "function"
78 void gras_abort(void) _GRAS_GNUC_NORETURN;
80 /* FIXME: This is a very good candidate to rewrite (along with a proper string stuff)
81 but I'm too lazy right now, so copy the definition */
82 long int strtol(const char *nptr, char **endptr, int base);
83 double strtod(const char *nptr, char **endptr);
84 int atoi(const char *nptr);
88 #endif /* _GRAS_SYSDEP_H */