97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
#include "e.h"
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/*
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* Implementation of a protected file registry. Any files that are
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* currently being used by E in core components should be registered
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* here and will be protected as best as E can. :)
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*/
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static Eina_Hash *_e_filereg = NULL;
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typedef struct _Filereg_Item Filereg_Item;
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struct _Filereg_Item
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{
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const char *path;
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int ref_count;
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};
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static Eina_Bool _filereg_hash_cb_free(const Eina_Hash *hash __UNUSED__,
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const void *key __UNUSED__,
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void *data, void *fdata __UNUSED__);
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/* Externally accessible functions */
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EINTERN int
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e_filereg_init(void)
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{
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_e_filereg = eina_hash_string_superfast_new(NULL);
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return 1;
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}
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EINTERN int
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e_filereg_shutdown(void)
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{
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eina_hash_foreach(_e_filereg, _filereg_hash_cb_free, NULL);
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eina_hash_free(_e_filereg);
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_e_filereg = NULL;
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return 1;
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}
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EAPI int
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e_filereg_register(const char *path)
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{
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Filereg_Item *fi = NULL;
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fi = eina_hash_find(_e_filereg, path);
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if (fi)
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{
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fi->ref_count++;
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return 1;
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}
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fi = E_NEW(Filereg_Item, 1);
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if (!fi) return 0;
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fi->path = eina_stringshare_add(path);
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fi->ref_count = 1;
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eina_hash_add(_e_filereg, path, fi);
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return 1;
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}
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EAPI void
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e_filereg_deregister(const char *path)
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{
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Filereg_Item *fi = NULL;
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fi = eina_hash_find(_e_filereg, path);
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if (fi)
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{
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fi->ref_count--;
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if (fi->ref_count == 0)
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{
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eina_hash_del(_e_filereg, path, fi);
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if (fi->path) eina_stringshare_del(fi->path);
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E_FREE(fi);
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}
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}
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}
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EAPI Eina_Bool
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e_filereg_file_protected(const char *path)
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{
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if (eina_hash_find(_e_filereg, path)) return EINA_TRUE;
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return EINA_FALSE;
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}
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/* Private Functions */
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static Eina_Bool
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_filereg_hash_cb_free(const Eina_Hash *hash __UNUSED__, const void *key __UNUSED__,
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void *data, void *fdata __UNUSED__)
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{
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Filereg_Item *fi;
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fi = data;
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if (!fi) return EINA_TRUE;
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if (fi->path) eina_stringshare_del(fi->path);
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E_FREE(fi);
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return EINA_TRUE;
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}
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