struct memblock_t {
const char *file;
unsigned int line;
- unsigned int byte;
+ size_t byte;
struct memblock_t *next;
struct memblock_t *prev;
};
static struct memblock_t *mem_start = NULL;
-void *util_memory_a(unsigned int byte, unsigned int line, const char *file) {
+void *util_memory_a(size_t byte, unsigned int line, const char *file) {
struct memblock_t *info = malloc(sizeof(struct memblock_t) + byte);
- void *data =(void*)((unsigned char*)info+sizeof(struct memblock_t));
- if (!data) return NULL;
+ void *data = (void*)(info+1);
+ if (!info) return NULL;
info->line = line;
info->byte = byte;
info->file = file;
mem_start->prev = info;
mem_start = info;
- util_debug("MEM", "allocation: % 8u (bytes) address 0x%08X @ %s:%u\n", byte, data, file, line);
+ util_debug("MEM", "allocation: % 8u (bytes) address 0x%08X @ %s:%u\n", byte, data, file, line);
mem_at++;
mem_ab += info->byte;
}
void util_memory_d(void *ptrn, unsigned int line, const char *file) {
- void *data = NULL;
struct memblock_t *info = NULL;
if (!ptrn) return;
- data = (void*)((unsigned char *)ptrn-sizeof(struct memblock_t));
- info = (struct memblock_t*)data;
+ info = ((struct memblock_t*)ptrn - 1);
- util_debug("MEM", "released: % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, ptrn, file, line);
+ util_debug("MEM", "released: % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, ptrn, file, line);
mem_db += info->byte;
mem_dt++;
if (info == mem_start)
mem_start = info->next;
- free(data);
+ free(info);
+}
+
+void *util_memory_r(void *ptrn, size_t byte, unsigned int line, const char *file) {
+ struct memblock_t *oldinfo = NULL;
+
+ struct memblock_t *newinfo;
+
+ if (!ptrn)
+ return util_memory_a(byte, line, file);
+ if (!byte) {
+ util_memory_d(ptrn, line, file);
+ return NULL;
+ }
+
+ oldinfo = ((struct memblock_t*)ptrn - 1);
+ newinfo = ((struct memblock_t*)malloc(sizeof(struct memblock_t) + byte));
+
+ util_debug("MEM", "reallocation: % 8u -> %u (bytes) address 0x%08X -> 0x%08X @ %s:%u\n", oldinfo->byte, byte, ptrn, (void*)(newinfo+1), file, line);
+
+ /* new data */
+ if (!newinfo) {
+ util_memory_d(oldinfo+1, line, file);
+ return NULL;
+ }
+
+ /* copy old */
+ memcpy(newinfo+1, oldinfo+1, oldinfo->byte);
+
+ /* free old */
+ if (oldinfo->prev)
+ oldinfo->prev->next = oldinfo->next;
+ if (oldinfo->next)
+ oldinfo->next->prev = oldinfo->prev;
+ if (oldinfo == mem_start)
+ mem_start = oldinfo->next;
+
+ /* fill info */
+ newinfo->line = line;
+ newinfo->byte = byte;
+ newinfo->file = file;
+ newinfo->prev = NULL;
+ newinfo->next = mem_start;
+ if (mem_start)
+ mem_start->prev = newinfo;
+ mem_start = newinfo;
+
+ mem_ab -= oldinfo->byte;
+ mem_ab += newinfo->byte;
+
+ free(oldinfo);
+
+ return newinfo+1;
}
void util_meminfo() {
return;
va_start(va, ms);
- fprintf (stdout, "DEBUG: ");
- fputc ('[', stdout);
- fprintf(stdout, "%s", area);
- fputs ("] ", stdout);
- vfprintf(stdout, ms, va);
+ con_out ("[%s] ", area);
+ con_vout(ms, va);
va_end (va);
}
#endif
}
+bool util_filexists(const char *file) {
+ FILE *fp = fopen(file, "rb");
+ if (!fp) return false;
+
+ /* it exists */
+ fclose(fp);
+ return true;
+}
+
+void _util_vec_grow(void **a, size_t i, size_t s) {
+ size_t m = *a ? 2*_vec_beg(*a)+i : i+1;
+ void *p = mem_r((*a ? _vec_raw(*a) : NULL), s * m + sizeof(size_t)*2);
+ if (!*a)
+ ((size_t*)p)[1] = 0;
+ *a = (void*)((size_t*)p + 2);
+ _vec_beg(*a) = m;
+}