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glib_compat.c: code style

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This commit is contained in:
Nguyen Anh Quynh 2016-12-19 22:18:33 +08:00
parent c42e118832
commit 04e2e7e845
1 changed files with 98 additions and 49 deletions
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147
qemu/glib_compat.c
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@ -65,7 +65,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
This may be marginally better than what glib does in their direct_hash
but someone with some chops in this space should fix if it needs improving
*/
uint32_t g_direct_hash(const void *v) {
uint32_t g_direct_hash(const void *v)
{
#ifdef __HAVE_64_BIT_PTRS
uint64_t hash = (uint64_t)v;
hash = (hash >> 4) | (hash << 60);
@ -78,7 +79,8 @@ uint32_t g_direct_hash(const void *v) {
#endif
}
int g_direct_equal(const void *v1, const void *v2) {
int g_direct_equal(const void *v1, const void *v2)
{
return v1 == v2;
}
@ -86,7 +88,8 @@ int g_direct_equal(const void *v1, const void *v2) {
djb2+ string hashing
see: http://www.cse.yorku.ca/~oz/hash.html
*/
uint32_t g_str_hash(const void *v) {
uint32_t g_str_hash(const void *v)
{
const char *s = (const char*)v;
uint32_t hash = 5381;
while (*s) {
@ -96,7 +99,8 @@ uint32_t g_str_hash(const void *v) {
return hash;
}
int g_str_equal(const void *v1, const void *v2) {
int g_str_equal(const void *v1, const void *v2)
{
return strcmp((const char*)v1, (const char*)v2) == 0;
}
@ -104,7 +108,8 @@ int g_str_equal(const void *v1, const void *v2) {
Bob Jenkins integer hash algorithm
see: http://burtleburtle.net/bob/hash/integer.html
*/
uint32_t g_int_hash(const void *v) {
uint32_t g_int_hash(const void *v)
{
uint32_t hash = *(const uint32_t*)v;
hash = (hash + 0x7ed55d16) + (hash << 12);
hash = (hash ^ 0xc761c23c) ^ (hash >> 19);
@ -115,26 +120,30 @@ uint32_t g_int_hash(const void *v) {
return hash;
}
int g_int_equal(const void *v1, const void *v2) {
int g_int_equal(const void *v1, const void *v2)
{
return *(const int*)v1 == *(const int*)v2;
}
/* Doubly-linked list */
GList *g_list_first(GList *list) {
GList *g_list_first(GList *list)
{
if (list == NULL) return NULL;
while (list->prev) list = list->prev;
return list;
}
void g_list_foreach(GList *list, list_func func, void* user_data) {
void g_list_foreach(GList *list, list_func func, void* user_data)
{
GList *lp;
for (lp = list; lp; lp = lp->next) {
(*func)(lp->data, user_data);
}
}
void g_list_free(GList *list) {
void g_list_free(GList *list)
{
GList *lp, *next, *prev = NULL;
if (list) prev = list->prev;
for (lp = list; lp; lp = next) {
@ -147,7 +156,8 @@ void g_list_free(GList *list) {
}
}
GList *g_list_insert_sorted(GList *list, void* data, compare_func compare) {
GList *g_list_insert_sorted(GList *list, void* data, compare_func compare)
{
GList *i;
GList *n = (GList*)g_malloc(sizeof(GList));
n->data = data;
@ -170,7 +180,8 @@ GList *g_list_insert_sorted(GList *list, void* data, compare_func compare) {
return list;
}
GList *g_list_prepend(GList *list, void* data) {
GList *g_list_prepend(GList *list, void* data)
{
GList *n = (GList*)g_malloc(sizeof(GList));
n->next = list;
n->prev = NULL;
@ -178,14 +189,16 @@ GList *g_list_prepend(GList *list, void* data) {
return n;
}
GList *g_list_remove_link(GList *list, GList *llink) {
GList *g_list_remove_link(GList *list, GList *llink)
{
if (llink == list) list = list->next;
if (llink->prev) llink->prev->next = llink->next;
if (llink->next) llink->next->prev = llink->prev;
return list;
}
GList *g_list_sort(GList *list, compare_func compare) {
GList *g_list_sort(GList *list, compare_func compare)
{
GList *i, *it, *j;
/* base case for singletons or empty lists */
if (list == NULL || list->next == NULL) return list;
@ -235,7 +248,8 @@ GList *g_list_sort(GList *list, compare_func compare) {
/* Singly-linked list */
GSList *g_slist_append(GSList *list, void* data) {
GSList *g_slist_append(GSList *list, void* data)
{
GSList *head = list;
if (list) {
while (list->next) list = list->next;
@ -250,14 +264,16 @@ GSList *g_slist_append(GSList *list, void* data) {
return head;
}
void g_slist_foreach(GSList *list, list_func func, void* user_data) {
void g_slist_foreach(GSList *list, list_func func, void* user_data)
{
GSList *lp;
for (lp = list; lp; lp = lp->next) {
(*func)(lp->data, user_data);
}
}
void g_slist_free(GSList *list) {
void g_slist_free(GSList *list)
{
GSList *lp, *next;
for (lp = list; lp; lp = next) {
next = lp->next;
@ -265,7 +281,8 @@ void g_slist_free(GSList *list) {
}
}
void g_slist_free_full(GSList *list, GDestroyNotify free_func) {
void g_slist_free_full(GSList *list, GDestroyNotify free_func)
{
GSList *lp, *next;
for (lp = list; lp; lp = next) {
next = lp->next;
@ -274,14 +291,16 @@ void g_slist_free_full(GSList *list, GDestroyNotify free_func) {
}
}
GSList *g_slist_prepend(GSList *list, void* data) {
GSList *g_slist_prepend(GSList *list, void* data)
{
GSList *head = (GSList*)g_malloc(sizeof(GSList));
head->next = list;
head->data = data;
return head;
}
GSList *g_slist_sort(GSList *list, compare_func compare) {
GSList *g_slist_sort(GSList *list, compare_func compare)
{
GSList *i, *it, *j;
/* base case for singletons or empty lists */
if (list == NULL || list->next == NULL) return list;
@ -326,7 +345,8 @@ GSList *g_slist_sort(GSList *list, compare_func compare) {
return list;
}
GSList *g_slist_find_custom(GSList *list, const void *data, compare_func func) {
GSList *g_slist_find_custom(GSList *list, const void *data, compare_func func)
{
GSList *lp;
for (lp = list; lp; lp = lp->next) {
if ((*func)(lp->data, data) == 0) return lp;
@ -334,7 +354,8 @@ GSList *g_slist_find_custom(GSList *list, const void *data, compare_func func) {
return NULL;
}
GSList *g_slist_remove(GSList *list, const void *data) {
GSList *g_slist_remove(GSList *list, const void *data)
{
GSList *lp, *prev = NULL;
for (lp = list; lp; lp = lp->next) {
if (lp->data == data) {
@ -373,13 +394,15 @@ typedef struct _GHashTable {
GSList **buckets;
} GHashTable;
void g_hash_table_destroy(GHashTable *hash_table) {
void g_hash_table_destroy(GHashTable *hash_table)
{
if (hash_table == NULL) return;
g_hash_table_remove_all(hash_table);
g_hash_table_unref(hash_table);
}
void* g_hash_table_find(GHashTable *hash_table, GHRFunc predicate, void* user_data) {
void* g_hash_table_find(GHashTable *hash_table, GHRFunc predicate, void* user_data)
{
if (hash_table == NULL) return NULL;
int i;
for (i = 0; i < hash_table->size; i++) {
@ -392,7 +415,8 @@ void* g_hash_table_find(GHashTable *hash_table, GHRFunc predicate, void* user_da
return NULL;
}
void g_hash_table_foreach(GHashTable *hash_table, GHFunc func, void* user_data) {
void g_hash_table_foreach(GHashTable *hash_table, GHFunc func, void* user_data)
{
if (hash_table == NULL) return;
int i;
for (i = 0; i < hash_table->size; i++) {
@ -404,7 +428,8 @@ void g_hash_table_foreach(GHashTable *hash_table, GHFunc func, void* user_data)
}
}
int g_hash_table_insert(GHashTable *hash_table, void* key, void* value) {
int g_hash_table_insert(GHashTable *hash_table, void* key, void* value)
{
if (hash_table == NULL) return 1;
GSList *lp;
uint32_t hash = (*hash_table->hash_func)(key);
@ -428,7 +453,8 @@ int g_hash_table_insert(GHashTable *hash_table, void* key, void* value) {
return 1;
}
void* g_hash_table_lookup(GHashTable *hash_table, const void* key) {
void* g_hash_table_lookup(GHashTable *hash_table, const void* key)
{
if (hash_table == NULL) return NULL;
GSList *lp;
uint32_t hash = (*hash_table->hash_func)(key);
@ -443,12 +469,14 @@ void* g_hash_table_lookup(GHashTable *hash_table, const void* key) {
return NULL;
}
GHashTable *g_hash_table_new(GHashFunc hash_func, GEqualFunc key_equal_func) {
GHashTable *g_hash_table_new(GHashFunc hash_func, GEqualFunc key_equal_func)
{
return g_hash_table_new_full(hash_func, key_equal_func, NULL, NULL);
}
GHashTable *g_hash_table_new_full(GHashFunc hash_func, GEqualFunc key_equal_func,
GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func) {
GDestroyNotify key_destroy_func, GDestroyNotify value_destroy_func)
{
GHashTable *ht = (GHashTable*)g_malloc(sizeof(GHashTable));
ht->hash_func = hash_func ? hash_func : g_direct_hash;
ht->key_equal_func = key_equal_func;
@ -461,7 +489,8 @@ GHashTable *g_hash_table_new_full(GHashFunc hash_func, GEqualFunc key_equal_func
return ht;
}
void g_hash_table_remove_all(GHashTable *hash_table) {
void g_hash_table_remove_all(GHashTable *hash_table)
{
if (hash_table == NULL) return;
int i;
for (i = 0; i < hash_table->size; i++) {
@ -478,7 +507,8 @@ void g_hash_table_remove_all(GHashTable *hash_table) {
hash_table->num_entries = 0;
}
int g_hash_table_remove(GHashTable *hash_table, const void* key) {
int g_hash_table_remove(GHashTable *hash_table, const void* key)
{
GSList *lp, *prev = NULL;
if (hash_table == NULL) return 0;
uint32_t hash = (*hash_table->hash_func)(key);
@ -504,7 +534,8 @@ int g_hash_table_remove(GHashTable *hash_table, const void* key) {
return 0;
}
void g_hash_table_unref(GHashTable *hash_table) {
void g_hash_table_unref(GHashTable *hash_table)
{
if (hash_table == NULL) return;
hash_table->refcount--;
if (hash_table->refcount == 0) {
@ -513,13 +544,15 @@ void g_hash_table_unref(GHashTable *hash_table) {
}
}
GHashTable *g_hash_table_ref(GHashTable *hash_table) {
GHashTable *g_hash_table_ref(GHashTable *hash_table)
{
if (hash_table == NULL) return NULL;
hash_table->refcount++;
return hash_table;
}
uint32_t g_hash_table_size(GHashTable *hash_table) {
uint32_t g_hash_table_size(GHashTable *hash_table)
{
return hash_table ? hash_table->num_entries : 0;
}
@ -528,27 +561,31 @@ uint32_t g_hash_table_size(GHashTable *hash_table) {
/* general g_XXX substitutes */
void *g_malloc(size_t size) {
void *g_malloc(size_t size)
{
if (size == 0) return NULL;
void *res = malloc(size);
if (res == NULL) exit(1);
return res;
}
void *g_malloc0(size_t size) {
void *g_malloc0(size_t size)
{
if (size == 0) return NULL;
void *res = calloc(size, 1);
if (res == NULL) exit(1);
return res;
}
void *g_try_malloc0(size_t size) {
void *g_try_malloc0(size_t size)
{
if (size == 0) return NULL;
void *res = calloc(size, 1);
return res;
}
void *g_realloc(void *ptr, size_t size) {
void *g_realloc(void *ptr, size_t size)
{
if (size == 0) {
free(ptr);
return NULL;
@ -558,11 +595,13 @@ void *g_realloc(void *ptr, size_t size) {
return res;
}
char *g_strdup(const char *str) {
char *g_strdup(const char *str)
{
return str ? strdup(str) : NULL;
}
char *g_strdup_printf(const char *format, ...) {
char *g_strdup_printf(const char *format, ...)
{
va_list ap;
char *res;
va_start(ap, format);
@ -571,20 +610,23 @@ char *g_strdup_printf(const char *format, ...) {
return res;
}
char *g_strdup_vprintf(const char *format, va_list ap) {
char *g_strdup_vprintf(const char *format, va_list ap)
{
char *str_res = NULL;
vasprintf(&str_res, format, ap);
return str_res;
}
char *g_strndup(const char *str, size_t n) {
char *g_strndup(const char *str, size_t n)
{
/* try to mimic glib's g_strndup */
char *res = calloc(n + 1, 1);
strncpy(res, str, n);
return res;
}
void g_strfreev(char **str_array) {
void g_strfreev(char **str_array)
{
char **p = str_array;
if (p) {
while (*p) {
@ -594,7 +636,8 @@ void g_strfreev(char **str_array) {
free(str_array);
}
void *g_memdup(const void *mem, size_t byte_size) {
void *g_memdup(const void *mem, size_t byte_size)
{
if (mem) {
void *res = g_malloc(byte_size);
memcpy(res, mem, byte_size);
@ -603,25 +646,29 @@ void *g_memdup(const void *mem, size_t byte_size) {
return NULL;
}
void *g_new_(size_t sz, size_t n_structs) {
void *g_new_(size_t sz, size_t n_structs)
{
size_t need = sz * n_structs;
if ((need / sz) != n_structs) return NULL;
return g_malloc(need);
}
void *g_new0_(size_t sz, size_t n_structs) {
void *g_new0_(size_t sz, size_t n_structs)
{
size_t need = sz * n_structs;
if ((need / sz) != n_structs) return NULL;
return g_malloc0(need);
}
void *g_renew_(size_t sz, void *mem, size_t n_structs) {
void *g_renew_(size_t sz, void *mem, size_t n_structs)
{
size_t need = sz * n_structs;
if ((need / sz) != n_structs) return NULL;
return g_realloc(mem, need);
}
char *g_strconcat (const char *string1, ...) {
char *g_strconcat (const char *string1, ...)
{
va_list ap;
char *res;
size_t sz = strlen(string1);
@ -644,7 +691,8 @@ char *g_strconcat (const char *string1, ...) {
return res;
}
char **g_strsplit(const char *string, const char *delimiter, int max_tokens) {
char **g_strsplit(const char *string, const char *delimiter, int max_tokens)
{
char **res;
if (string == NULL || *string == 0) {
res = (char**)g_malloc(sizeof(char*));
@ -686,7 +734,8 @@ char **g_strsplit(const char *string, const char *delimiter, int max_tokens) {
#include <windows.h>
char *g_win32_error_message(int error) {
char *g_win32_error_message(int error)
{
char *msg;
char *winMsg = NULL;
if (error == 0) {