((type *) g_realloc (mem, (unsigned) sizeof (type) * (count)))
#endif /* __DMALLOC_H__ */
+/* alloca-based counterparts of the above routines */
+#if G_HAVE_ALLOCA
+# define g_alloca alloca
+# define g_new_a(type, count) \
+ ((type *) alloca ((unsigned) sizeof (type) * (count)))
+# define g_new0_a(type, count) \
+ ((type *) memset (alloca ((unsigned) sizeof (type) * (count)), 0, \
+ ((unsigned) sizeof (type) * (count))))
+#endif /* G_HAVE_ALLOCA */
+
#define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \
g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \
sizeof (type), \
* All macros take a special first argument: the target gchar* string
*/
#if G_HAVE_ALLOCA
-
# define g_strdup_a(newstr,str) G_STMT_START { \
- const char *__old = (str); \
- char *__new; \
- size_t __len = strlen (__old) + 1; \
- __new = alloca (__len); \
- memcpy (__new, __old, __len); \
+ gchar *__new; \
+ const gchar *__old = (str); \
+ if (__old) \
+ { \
+ size_t __len = strlen (__old) + 1; \
+ __new = alloca (__len); \
+ memcpy (__new, __old, __len); \
+ } \
+ else \
+ __new = NULL; \
+ (newstr) = __new; \
+ } G_STMT_END
+# define g_strndup_a(newstr,str,n) G_STMT_START { \
+ gchar *__new; \
+ const gchar *__old = (str); \
+ if (__old) \
+ { \
+ guint __n = (n); \
+ size_t __len = strlen (__old); \
+ if (__len > (__n)) \
+ __len = (__n); \
+ __new = alloca (__len + 1); \
+ memcpy (__new, __old, __len); \
+ __new[__len] = 0; \
+ } \
+ else \
+ __new = NULL; \
(newstr) = __new; \
} G_STMT_END
-
-# define g_strconcat_a(newstr,str1,str2,str3) G_STMT_START { \
- size_t __len1 = ((str1) == (gchar*)NULL) ? 0 : strlen((str1)); \
- size_t __len2 = ((str2) == (gchar*)NULL) ? 0 : strlen((str2)); \
- size_t __len3 = ((str3) == (gchar*)NULL) ? 0 : strlen((str3)); \
- char *__sptr, *__new = \
- alloca (__len1 + __len2 + __len3 + 1); \
- __sptr = __new; \
- if (__len1){memcpy (__sptr, (str1), __len1); __sptr += __len1;} \
- if (__len2){memcpy (__sptr, (str2), __len2); __sptr += __len2;} \
- if (__len3){memcpy (__sptr, (str3), __len3); __sptr += __len3;} \
- *__sptr = '\0'; \
- (newstr) = __new; \
+# define g_strconcat3_a(newstr,str1,str2,str3) G_STMT_START { \
+ const gchar *__str1 = (str1); \
+ const gchar *__str2 = (str2); \
+ const gchar *__str3 = (str3); \
+ gchar *__new; \
+ if (__str1) { \
+ size_t __len1 = strlen (__str1); \
+ if (__str2) { \
+ size_t __len2 = strlen (__str2); \
+ if (__str3) { \
+ size_t __len3 = strlen (__str3); \
+ __new = alloca (__len1 + __len2 + __len3 + 1); \
+ __new[__len1 + __len2 + __len3] = 0; \
+ memcpy (__new + __len1 + __len2, __str3, __len3); \
+ } else { \
+ __new = alloca (__len1 + __len2 + 1); \
+ __new[__len1 + __len2] = 0; \
+ } \
+ memcpy (__new + __len1, __str2, __len2); \
+ } else { \
+ __new = alloca (__len1 + 1); \
+ __new[__len1] = 0; \
+ } \
+ memcpy (__new, __str1, __len1); \
+ } else \
+ __new = NULL; \
+ (newstr) = __new; \
} G_STMT_END
-
#endif /* G_HAVE_ALLOCA */
#define g_array_append_val(a,v) g_array_append_vals(a,&v,1)
#define g_array_prepend_val(a,v) g_array_prepend_vals(a,&v,1)
-#define g_array_insert_val(a,i,v) g_array_prepend_vals(a,i,&v,1)
+#define g_array_insert_val(a,i,v) g_array_insert_vals(a,i,&v,1)
#define g_array_index(a,t,i) (((t*)a->data)[i])
GArray* g_array_new (gboolean zero_terminated,