lib.h

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#ifndef MUTT_HCACHE_LIB_H
#define MUTT_HCACHE_LIB_H
 
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
 
struct Buffer;
struct Email;
 
struct HeaderCache
{
  char *folder;     
  unsigned int crc; 
  void *ctx;        
  void *cctx;       
};
 
struct HCacheEntry
{
  uint32_t uidvalidity; 
  unsigned int crc;     
  struct Email *email;  
};
 
typedef void (*hcache_namer_t)(const char *path, struct Buffer *dest);
 
struct HeaderCache *mutt_hcache_open(const char *path, const char *folder, hcache_namer_t namer);
 
void mutt_hcache_close(struct HeaderCache *hc);
 
int mutt_hcache_store(struct HeaderCache *hc, const char *key, size_t keylen,
                      struct Email *e, uint32_t uidvalidity);
 
struct HCacheEntry mutt_hcache_fetch(struct HeaderCache *hc, const char *key, size_t keylen, uint32_t uidvalidity);
 
char *mutt_hcache_fetch_str(struct HeaderCache *hc, const char *key, size_t keylen);
bool  mutt_hcache_fetch_obj_(struct HeaderCache *hc, const char *key, size_t keylen, void *dst, size_t dstlen);
#define mutt_hcache_fetch_obj(hc, key, keylen, dst) mutt_hcache_fetch_obj_(hc, key, keylen, dst, sizeof(*dst))
 
int mutt_hcache_store_raw(struct HeaderCache *hc, const char *key, size_t keylen,
                          void *data, size_t dlen);
 
int mutt_hcache_delete_record(struct HeaderCache *hc, const char *key, size_t keylen);
 
#endif /* MUTT_HCACHE_LIB_H */