6 * Routines to read and write an rpm lead structure for a a package.
12 #define RPMLEAD_BINARY 0
13 #define RPMLEAD_SOURCE 1
15 #define RPMLEAD_MAGIC0 0xed
16 #define RPMLEAD_MAGIC1 0xab
17 #define RPMLEAD_MAGIC2 0xee
18 #define RPMLEAD_MAGIC3 0xdb
20 #define RPMLEAD_SIZE 96 /*!< Don't rely on sizeof(struct) */
22 typedef struct rpmlead_s * rpmlead;
25 * Initialize a lead structure from header
27 * @return Pointer to populated lead structure (malloced)
29 rpmlead rpmLeadFromHeader(Header h);
32 * Free a lead structure
33 * @param lead Pointer to lead structure
36 rpmlead rpmLeadFree(rpmlead lead);
39 * Write lead to file handle.
40 * @param fd file handle
41 * @param lead package lead
42 * @return RPMRC_OK on success, RPMRC_FAIL on error
44 rpmRC rpmLeadWrite(FD_t fd, rpmlead lead);
47 * Read lead from file handle.
48 * @param fd file handle
49 * @retval lead pointer to package lead (malloced)
50 * @retval type RPMLEAD_BINARY or RPMLEAD_SOURCE on success
51 * @retval emsg failure message on error (malloced)
52 * @return RPMRC_OK on success, RPMRC_FAIL/RPMRC_NOTFOUND on error
54 rpmRC rpmLeadRead(FD_t fd, rpmlead *lead, int *type, char **emsg);
60 #endif /* _H_RPMLEAD */