forked from PsychoticNinja/ailin-nemui-irssi
104 lines
1.8 KiB
C
104 lines
1.8 KiB
C
#include <string.h>
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#include <irssi/src/core/refstrings.h>
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#if GLIB_CHECK_VERSION(2, 58, 0)
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/* callback implementation for GHashTable */
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#undef i_refstr_release
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void i_refstr_release(char *str)
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{
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if (str != NULL) {
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g_ref_string_release(str);
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}
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}
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#else
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GHashTable *i_refstr_table;
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void i_refstr_init(void)
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{
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i_refstr_table = g_hash_table_new(g_str_hash, g_str_equal);
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}
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char *i_refstr_intern(const char *str)
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{
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char *ret;
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gpointer rc_p, ret_p;
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size_t rc;
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if (str == NULL)
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return NULL;
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if (g_hash_table_lookup_extended(i_refstr_table, str, &ret_p, &rc_p)) {
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rc = GPOINTER_TO_SIZE(rc_p);
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ret = ret_p;
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} else {
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rc = 0;
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ret = g_strdup(str);
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}
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if (rc + 1 <= G_MAXSIZE) {
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g_hash_table_insert(i_refstr_table, ret, GSIZE_TO_POINTER(rc + 1));
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return ret;
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} else {
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return g_strdup(str);
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}
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}
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void i_refstr_release(char *str)
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{
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char *ret;
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gpointer rc_p, ret_p;
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size_t rc;
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if (str == NULL)
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return;
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if (g_hash_table_lookup_extended(i_refstr_table, str, &ret_p, &rc_p)) {
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rc = GPOINTER_TO_SIZE(rc_p);
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ret = ret_p;
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} else {
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rc = 0;
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ret = NULL;
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}
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if (ret == str) {
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if (rc > 1) {
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g_hash_table_insert(i_refstr_table, ret, GSIZE_TO_POINTER(rc - 1));
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} else {
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g_hash_table_remove(i_refstr_table, ret);
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g_free(ret);
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}
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} else {
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g_free(str);
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}
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}
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void i_refstr_deinit(void)
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{
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g_hash_table_foreach(i_refstr_table, (GHFunc) g_free, NULL);
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g_hash_table_destroy(i_refstr_table);
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}
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char *i_refstr_table_size_info(void)
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{
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GHashTableIter iter;
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void *k_p, *v_p;
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size_t count, mem;
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count = 0;
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mem = 0;
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g_hash_table_iter_init(&iter, i_refstr_table);
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while (g_hash_table_iter_next(&iter, &k_p, &v_p)) {
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char *key = k_p;
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count++;
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mem += sizeof(char) * (strlen(key) + 1) + 2 * sizeof(void *);
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}
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return g_strdup_printf("Shared strings: %ld, %dkB of data", count,
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(int) (mem / 1024));
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}
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#endif
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