#include <errno.h>
#include "gmqcc.h"
-/* TODO: remove globals ... */
-static uint64_t mem_ab = 0;
-static uint64_t mem_db = 0;
-static uint64_t mem_at = 0;
-static uint64_t mem_dt = 0;
-static uint64_t mem_pk = 0;
-static uint64_t mem_hw = 0;
-
-struct memblock_t {
- const char *file;
- unsigned int line;
- size_t byte;
- struct memblock_t *next;
- struct memblock_t *prev;
-};
-
-#define PEAK_MEM \
- do { \
- if (mem_hw > mem_pk) \
- mem_pk = mem_hw; \
- } while (0)
-
-static struct memblock_t *mem_start = NULL;
-
-void *util_memory_a(size_t byte, unsigned int line, const char *file) {
- struct memblock_t *info = (struct memblock_t*)malloc(sizeof(struct memblock_t) + byte);
- void *data = (void*)(info+1);
- if (!info) return NULL;
- info->line = line;
- info->byte = byte;
- info->file = file;
- info->prev = NULL;
- info->next = mem_start;
- if (mem_start)
- mem_start->prev = info;
- mem_start = info;
-
- mem_at++;
- mem_ab += info->byte;
- mem_hw += info->byte;
-
- PEAK_MEM;
-
- return data;
-}
-
-void util_memory_d(void *ptrn) {
- struct memblock_t *info = NULL;
-
- if (!ptrn) return;
- info = ((struct memblock_t*)ptrn - 1);
-
- mem_db += info->byte;
- mem_hw -= info->byte;
- mem_dt++;
-
- if (info->prev)
- info->prev->next = info->next;
- if (info->next)
- info->next->prev = info->prev;
- if (info == mem_start)
- mem_start = info->next;
-
- 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);
- return NULL;
- }
-
- oldinfo = ((struct memblock_t*)ptrn - 1);
- newinfo = ((struct memblock_t*)malloc(sizeof(struct memblock_t) + byte));
-
- /* new data */
- if (!newinfo) {
- util_memory_d(oldinfo+1);
- 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_hw -= oldinfo->byte;
- mem_ab += newinfo->byte;
- mem_hw += newinfo->byte;
-
- PEAK_MEM;
-
- free(oldinfo);
-
- return newinfo+1;
-}
-
-static void util_dumpmem(struct memblock_t *memory, uint16_t cols) {
- uint32_t i, j;
- for (i = 0; i < memory->byte + ((memory->byte % cols) ? (cols - memory->byte % cols) : 0); i++) {
- if (i % cols == 0) con_out(" 0x%06X: ", i);
- if (i < memory->byte) con_out("%02X " , 0xFF & ((char*)(memory + 1))[i]);
- else con_out(" ");
-
- if ((uint16_t)(i % cols) == (cols - 1)) {
- for (j = i - (cols - 1); j <= i; j++) {
- con_out("%c",
- (j >= memory->byte)
- ? ' '
- : (isprint(((char*)(memory + 1))[j]))
- ? 0xFF & ((char*)(memory + 1)) [j]
- : '.'
- );
- }
- con_out("\n");
- }
- }
-}
-
-/*
- * The following is a VERY tight, efficent, hashtable for integer
- * values and keys, and for nothing more. We could make our existing
- * hashtable support type-genericness through a void * pointer but,
- * ideally that would make things more complicated. We also don't need
- * that much of a bloat for something as basic as this.
- */
-typedef struct {
- size_t key;
- size_t value;
-} size_entry_t;
-#define ST_SIZE 1024
-
-typedef size_entry_t **size_table_t;
-
-static size_table_t util_st_new() {
- return (size_table_t)memset(
- mem_a(sizeof(size_entry_t*) * ST_SIZE),
- 0, ST_SIZE * sizeof(size_entry_t*)
- );
-}
-static void util_st_del(size_table_t table) {
- size_t i = 0;
- for (; i < ST_SIZE; i++) if(table[i]) mem_d(table[i]);
- mem_d(table);
-}
-static size_entry_t *util_st_get(size_table_t table, size_t key) {
- size_t hash = (key % ST_SIZE);
- while (table[hash] && table[hash]->key != key)
- hash = (hash + 1) % ST_SIZE;
- return table[hash];
-}
-static void util_st_put(size_table_t table, size_t key, size_t value) {
- size_t hash = (key % ST_SIZE);
- while (table[hash] && table[hash]->key != key)
- hash = (hash + 1) % ST_SIZE;
- table[hash] = (size_entry_t*)mem_a(sizeof(size_entry_t));
- table[hash]->key = key;
- table[hash]->value = value;
-}
-
-static uint64_t strdups = 0;
-static uint64_t vectors = 0;
-static uint64_t vector_sizes = 0;
-static uint64_t hashtables = 0;
-static uint64_t hashtable_sizes = 0;
-static size_table_t vector_usage = NULL;
-static size_table_t hashtable_usage = NULL;
-
-void util_meminfo() {
- struct memblock_t *info;
-
- if (OPTS_OPTION_BOOL(OPTION_DEBUG)) {
- for (info = mem_start; info; info = info->next) {
- con_out("lost: %u (bytes) at %s:%u\n",
- info->byte,
- info->file,
- info->line);
-
- util_dumpmem(info, OPTS_OPTION_U16(OPTION_MEMDUMPCOLS));
- }
- }
-
- if (OPTS_OPTION_BOOL(OPTION_DEBUG) ||
- OPTS_OPTION_BOOL(OPTION_MEMCHK)) {
- con_out("Memory information:\n\
- Total allocations: %llu\n\
- Total deallocations: %llu\n\
- Total allocated: %f (MB)\n\
- Total deallocated: %f (MB)\n\
- Total peak memory: %f (MB)\n\
- Total leaked memory: %f (MB) in %llu allocations\n",
- mem_at,
- mem_dt,
- (float)(mem_ab) / 1048576.0f,
- (float)(mem_db) / 1048576.0f,
- (float)(mem_pk) / 1048576.0f,
- (float)(mem_ab - mem_db) / 1048576.0f,
-
- /* could be more clever */
- (mem_at - mem_dt)
- );
- }
-
- if (OPTS_OPTION_BOOL(OPTION_STATISTICS) ||
- OPTS_OPTION_BOOL(OPTION_MEMCHK)) {
- size_t i = 0;
- size_t e = 1;
- uint64_t vectormem = 0;
-
- con_out("\nAdditional Statistics:\n\
- Total vectors allocated: %llu\n\
- Total string duplicates: %llu\n\
- Total hashtables allocated: %llu\n\
- Total unique vector sizes: %llu\n",
- vectors,
- strdups,
- hashtables,
- vector_sizes
- );
-
- for (; i < ST_SIZE; i++) {
- size_entry_t *entry;
-
- if (!(entry = vector_usage[i]))
- continue;
-
- con_out(" %2u| # of %4u byte vectors: %u\n",
- (unsigned)e,
- (unsigned)entry->key,
- (unsigned)entry->value
- );
- e++;
-
- vectormem += entry->key * entry->value;
- }
-
- con_out("\
- Total unique hashtable sizes: %llu\n",
- hashtable_sizes
- );
-
- for (i = 0, e = 1; i < ST_SIZE; i++) {
- size_entry_t *entry;
-
- if (!(entry = hashtable_usage[i]))
- continue;
-
- con_out(" %2u| # of %4u element hashtables: %u\n",
- (unsigned)e,
- (unsigned)entry->key,
- (unsigned)entry->value
- );
- e++;
- }
-
- con_out(" Total vector memory: %f (MB)\n",
- (float)(vectormem) / 1048576.0f
- );
- }
-
- if (vector_usage)
- util_st_del(vector_usage);
- if (hashtable_usage)
- util_st_del(hashtable_usage);
-}
-
-/*
- * Some string utility functions, because strdup uses malloc, and we want
- * to track all memory (without replacing malloc).
- */
-char *_util_Estrdup(const char *s, const char *file, size_t line) {
- size_t len = 0;
- char *ptr = NULL;
-
- /* in case of -DNOTRACK */
- (void)file;
- (void)line;
-
- if (!s)
- return NULL;
-
- if ((len = strlen(s)) && (ptr = (char*)mem_af(len+1, line, file))) {
- memcpy(ptr, s, len);
- ptr[len] = '\0';
- }
- strdups++;
- return ptr;
-}
-
-char *_util_Estrdup_empty(const char *s, const char *file, size_t line) {
- size_t len = 0;
- char *ptr = NULL;
-
- /* in case of -DNOTRACK */
- (void)file;
- (void)line;
-
- if (!s)
- return NULL;
-
- len = strlen(s);
- if ((ptr = (char*)mem_af(len+1, line, file))) {
- memcpy(ptr, s, len);
- ptr[len] = '\0';
- }
- strdups++;
- return ptr;
-}
-
void util_debug(const char *area, const char *ms, ...) {
va_list va;
if (!OPTS_OPTION_BOOL(OPTION_DEBUG))
return sz-1;
}
-/* TODO: rewrite ... when I redo the ve cleanup */
-void _util_vec_grow(void **a, size_t i, size_t s) {
- vector_t *d = vec_meta(*a);
- size_t m = 0;
- size_entry_t *e = NULL;
- void *p = NULL;
-
- if (*a) {
- m = 2 * d->allocated + i;
- p = mem_r(d, s * m + sizeof(vector_t));
- } else {
- m = i + 1;
- p = mem_a(s * m + sizeof(vector_t));
- ((vector_t*)p)->used = 0;
- vectors++;
- }
-
- if (!vector_usage)
- vector_usage = util_st_new();
-
- if ((e = util_st_get(vector_usage, s))) {
- e->value ++;
- } else {
- util_st_put(vector_usage, s, 1); /* start off with 1 */
- vector_sizes++;
- }
-
- *a = (vector_t*)p + 1;
- vec_meta(*a)->allocated = m;
-}
-
-/*
- * Hash table for generic data, based on dynamic memory allocations
- * all around. This is the internal interface, please look for
- * EXPOSED INTERFACE comment below
- */
-typedef struct hash_node_t {
- char *key; /* the key for this node in table */
- void *value; /* pointer to the data as void* */
- struct hash_node_t *next; /* next node (linked list) */
-} hash_node_t;
-
-GMQCC_INLINE size_t util_hthash(hash_table_t *ht, const char *key) {
- const uint32_t mix = 0x5BD1E995;
- const uint32_t rot = 24;
- size_t size = strlen(key);
- uint32_t hash = 0x1EF0 /* LICRC TAB */ ^ size;
- uint32_t alias = 0;
- const unsigned char *data = (const unsigned char*)key;
-
- while (size >= 4) {
- alias = (data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24));
- alias *= mix;
- alias ^= alias >> rot;
- alias *= mix;
-
- hash *= mix;
- hash ^= alias;
-
- data += 4;
- size -= 4;
- }
-
- switch (size) {
- case 3: hash ^= data[2] << 16;
- case 2: hash ^= data[1] << 8;
- case 1: hash ^= data[0];
- hash *= mix;
- }
-
- hash ^= hash >> 13;
- hash *= mix;
- hash ^= hash >> 15;
-
- return (size_t) (hash % ht->size);
-}
-
-static hash_node_t *_util_htnewpair(const char *key, void *value) {
- hash_node_t *node;
- if (!(node = (hash_node_t*)mem_a(sizeof(hash_node_t))))
- return NULL;
-
- if (!(node->key = util_strdupe(key))) {
- mem_d(node);
- return NULL;
- }
-
- node->value = value;
- node->next = NULL;
-
- return node;
-}
-
-/*
- * EXPOSED INTERFACE for the hashtable implementation
- * util_htnew(size) -- to make a new hashtable
- * util_htset(table, key, value, sizeof(value)) -- to set something in the table
- * util_htget(table, key) -- to get something from the table
- * util_htdel(table) -- to delete the table
- */
-hash_table_t *util_htnew(size_t size) {
- hash_table_t *hashtable = NULL;
- size_entry_t *find;
-
- if (size < 1)
- return NULL;
-
- if (!hashtable_usage)
- hashtable_usage = util_st_new();
-
- if (!(hashtable = (hash_table_t*)mem_a(sizeof(hash_table_t))))
- return NULL;
-
- if (!(hashtable->table = (hash_node_t**)mem_a(sizeof(hash_node_t*) * size))) {
- mem_d(hashtable);
- return NULL;
- }
-
- if ((find = util_st_get(hashtable_usage, size)))
- find->value++;
- else {
- hashtable_sizes++;
- util_st_put(hashtable_usage, size, 1);
- }
-
- hashtable->size = size;
- memset(hashtable->table, 0, sizeof(hash_node_t*) * size);
-
- hashtables++;
- return hashtable;
-}
-
-void util_htseth(hash_table_t *ht, const char *key, size_t bin, void *value) {
- hash_node_t *newnode = NULL;
- hash_node_t *next = NULL;
- hash_node_t *last = NULL;
-
- next = ht->table[bin];
-
- while (next && next->key && strcmp(key, next->key) > 0)
- last = next, next = next->next;
-
- /* already in table, do a replace */
- if (next && next->key && strcmp(key, next->key) == 0) {
- next->value = value;
- } else {
- /* not found, grow a pair man :P */
- newnode = _util_htnewpair(key, value);
- if (next == ht->table[bin]) {
- newnode->next = next;
- ht->table[bin] = newnode;
- } else if (!next) {
- last->next = newnode;
- } else {
- newnode->next = next;
- last->next = newnode;
- }
- }
-}
-
-void util_htset(hash_table_t *ht, const char *key, void *value) {
- util_htseth(ht, key, util_hthash(ht, key), value);
-}
-
-void *util_htgeth(hash_table_t *ht, const char *key, size_t bin) {
- hash_node_t *pair = ht->table[bin];
-
- while (pair && pair->key && strcmp(key, pair->key) > 0)
- pair = pair->next;
-
- if (!pair || !pair->key || strcmp(key, pair->key) != 0)
- return NULL;
-
- return pair->value;
-}
-
-void *util_htget(hash_table_t *ht, const char *key) {
- return util_htgeth(ht, key, util_hthash(ht, key));
-}
-
-void *code_util_str_htgeth(hash_table_t *ht, const char *key, size_t bin) {
- hash_node_t *pair;
- size_t len, keylen;
- int cmp;
-
- keylen = strlen(key);
-
- pair = ht->table[bin];
- while (pair && pair->key) {
- len = strlen(pair->key);
- if (len < keylen) {
- pair = pair->next;
- continue;
- }
- if (keylen == len) {
- cmp = strcmp(key, pair->key);
- if (cmp == 0)
- return pair->value;
- if (cmp < 0)
- return NULL;
- pair = pair->next;
- continue;
- }
- cmp = strcmp(key, pair->key + len - keylen);
- if (cmp == 0) {
- uintptr_t up = (uintptr_t)pair->value;
- up += len - keylen;
- return (void*)up;
- }
- pair = pair->next;
- }
- return NULL;
-}
-
-/*
- * Free all allocated data in a hashtable, this is quite the amount
- * of work.
- */
-void util_htrem(hash_table_t *ht, void (*callback)(void *data)) {
- size_t i = 0;
- for (; i < ht->size; i++) {
- hash_node_t *n = ht->table[i];
- hash_node_t *p;
-
- /* free in list */
- while (n) {
- if (n->key)
- mem_d(n->key);
- if (callback)
- callback(n->value);
- p = n;
- n = n->next;
- mem_d(p);
- }
-
- }
- /* free table */
- mem_d(ht->table);
- mem_d(ht);
-}
-
-void util_htrmh(hash_table_t *ht, const char *key, size_t bin, void (*cb)(void*)) {
- hash_node_t **pair = &ht->table[bin];
- hash_node_t *tmp;
-
- while (*pair && (*pair)->key && strcmp(key, (*pair)->key) > 0)
- pair = &(*pair)->next;
-
- tmp = *pair;
- if (!tmp || !tmp->key || strcmp(key, tmp->key) != 0)
- return;
-
- if (cb)
- (*cb)(tmp->value);
-
- *pair = tmp->next;
- mem_d(tmp->key);
- mem_d(tmp);
-}
-
-void util_htrm(hash_table_t *ht, const char *key, void (*cb)(void*)) {
- util_htrmh(ht, key, util_hthash(ht, key), cb);
-}
-
-void util_htdel(hash_table_t *ht) {
- util_htrem(ht, NULL);
-}
-
/*
* Portable implementation of vasprintf/asprintf. Assumes vsnprintf
* exists, otherwise compiler error.
projects / xonotic / gmqcc.git / blobdiff