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comparison src/lisp.h @ 438:84b14dcb0985 r21-2-27

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Import from CVS: tag r21-2-27
author cvs
date Mon, 13 Aug 2007 11:32:25 +0200
parents 080151679be2
children 8de8e3f6228a
comparison
equal deleted inserted replaced
437:e2a4e8b94b82 438:84b14dcb0985
114 void *xmalloc (size_t size); 114 void *xmalloc (size_t size);
115 void *xmalloc_and_zero (size_t size); 115 void *xmalloc_and_zero (size_t size);
116 void *xrealloc (void *, size_t size); 116 void *xrealloc (void *, size_t size);
117 char *xstrdup (CONST char *); 117 char *xstrdup (CONST char *);
118 /* generally useful */ 118 /* generally useful */
119 #define countof(x) ((int) (sizeof(x)/sizeof(x[0]))) 119 #define countof(x) ((int) (sizeof(x)/sizeof((x)[0])))
120 #define slot_offset(type, slot_name) \
121 ((unsigned) (((char *) (&(((type *)0)->slot_name))) - ((char *)0)))
122 #define xnew(type) ((type *) xmalloc (sizeof (type))) 120 #define xnew(type) ((type *) xmalloc (sizeof (type)))
123 #define xnew_array(type, len) ((type *) xmalloc ((len) * sizeof (type))) 121 #define xnew_array(type, len) ((type *) xmalloc ((len) * sizeof (type)))
124 #define xnew_and_zero(type) ((type *) xmalloc_and_zero (sizeof (type))) 122 #define xnew_and_zero(type) ((type *) xmalloc_and_zero (sizeof (type)))
125 #define xzero(lvalue) ((void) memset (&(lvalue), 0, sizeof (lvalue))) 123 #define xzero(lvalue) ((void) memset (&(lvalue), '\0', sizeof (lvalue)))
126 #define xnew_array_and_zero(type, len) ((type *) xmalloc_and_zero ((len) * sizeof (type))) 124 #define xnew_array_and_zero(type, len) ((type *) xmalloc_and_zero ((len) * sizeof (type)))
127 #define XREALLOC_ARRAY(ptr, type, len) ((void) (ptr = (type *) xrealloc (ptr, (len) * sizeof (type)))) 125 #define XREALLOC_ARRAY(ptr, type, len) ((void) (ptr = (type *) xrealloc (ptr, (len) * sizeof (type))))
128 #define alloca_array(type, len) ((type *) alloca ((len) * sizeof (type))) 126 #define alloca_array(type, len) ((type *) alloca ((len) * sizeof (type)))
129 127
130 /* also generally useful if you want to avoid arbitrary size limits 128 /* also generally useful if you want to avoid arbitrary size limits
154 xfree_1 (*xfree_ptr); \ 152 xfree_1 (*xfree_ptr); \
155 *xfree_ptr = (void *) 0xDEADBEEF; \ 153 *xfree_ptr = (void *) 0xDEADBEEF; \
156 } while (0) 154 } while (0)
157 #else 155 #else
158 void xfree (void *); 156 void xfree (void *);
159 #define xfree_1 xfree
160 #endif /* ERROR_CHECK_MALLOC */ 157 #endif /* ERROR_CHECK_MALLOC */
161 158
162 #ifndef PRINTF_ARGS 159 #ifndef PRINTF_ARGS
163 # if defined (__GNUC__) && (__GNUC__ >= 2) 160 # if defined (__GNUC__) && (__GNUC__ >= 2)
164 # define PRINTF_ARGS(string_index,first_to_check) \ 161 # define PRINTF_ARGS(string_index,first_to_check) \
193 # endif /* GNUC */ 190 # endif /* GNUC */
194 #endif 191 #endif
195 192
196 #ifndef ALIGNOF 193 #ifndef ALIGNOF
197 # if defined (__GNUC__) && (__GNUC__ >= 2) 194 # if defined (__GNUC__) && (__GNUC__ >= 2)
198 # define ALIGNOF(x) __alignof (x) 195 # define ALIGNOF(x) __alignof__ (x)
199 # else 196 # else
200 # define ALIGNOF(x) sizeof (x) 197 # define ALIGNOF(x) sizeof (x)
201 # endif 198 # endif
202 #endif 199 #endif
203 200