psio.h

00001 #ifndef util_class_psi3_libpsio_psio_h_
00002 #define util_class_psi3_libpsio_psio_h_
00003 
00004 #include <stdio.h>
00005 #include <util/psi3/libpsio/psio.gbl>
00006 
00007 namespace psi3 {
00008 namespace libpsio {
00009 
00010 /* A convenient address initialization struct */
00011 extern psio_address PSIO_ZERO;
00012 
00013 /* Library state variable */
00014 extern int _psi3_libpsio_state_;
00015 
00016 #ifdef PSIO_STATS
00017 extern ULI *psio_readlen;
00018 extern ULI *psio_writlen;
00019 #endif
00020 
00021 int psio_init(void);
00022 int psio_state(void);
00023 int psio_done(void);
00024 void psio_error(unsigned int unit, unsigned int errval);
00025 int psio_open(unsigned int unit, int status);
00026 int psio_close(unsigned int unit, int keep);
00027 
00028 unsigned int psio_get_numvols(unsigned int unit);
00029 unsigned int psio_get_numvols_default(void);
00030 int psio_get_volpath(unsigned int unit, unsigned int volume, char *path);
00031 int psio_get_volpath_default(unsigned int volume, char *path);
00032 int psio_get_filename(unsigned int unit, char *name);
00033 int psio_get_filename_default(char *name);
00034 psio_address psio_get_address(psio_address start, ULI shift);
00035 psio_address psio_get_global_address(psio_address entry_start,
00036                                      psio_address rel_address);
00037 int psio_volseek(psio_vol *vol, ULI page, ULI offset, ULI numvols);
00038 ULI psio_get_length(psio_address sadd, psio_address eadd);
00039 psio_address psio_get_entry_end(unsigned int unit, char *key);
00040 
00041 int psio_tocwrite(unsigned int unit);
00042 int psio_tocread(unsigned int unit);
00043 void psio_tocprint(unsigned int unit, FILE *output);
00044 psio_tocentry *psio_tocscan(unsigned int unit, char *key);
00045 psio_tocentry *psio_toclast(unsigned int unit);
00046 unsigned int psio_toclen(unsigned int unit);
00047 int psio_tocdel(unsigned int unit, char *key);
00048 int psio_tocclean(unsigned int unit, char *key);
00049 void psio_tocrename(unsigned int unit, char *key, char *newkey);
00050 
00051 int psio_write(unsigned int unit, char *key, char *buffer, ULI size,
00052                psio_address sadd, psio_address *eadd);
00053 int psio_read(unsigned int unit, char *key, char *buffer, ULI size,
00054               psio_address sadd, psio_address *eadd);
00055 int psio_write_entry(unsigned int unit, char *key, char *buffer, ULI size);
00056 int psio_read_entry(unsigned int unit, char *key, char *buffer, ULI size);
00057 int psio_write_block(unsigned int unit, char *key, char *buffer, ULI blksiz,
00058                      ULI start_blk, ULI end_blk);
00059 int psio_read_block(unsigned int unit, char *key, char *buffer, ULI blksiz,
00060                     ULI start_blk, ULI end_blk);
00061 int psio_rw(unsigned int unit, char *buffer, psio_address address, ULI size, int wrt);
00062 
00063 int psio_open_check(unsigned int unit);
00064 
00065 }
00066 }
00067 
00068 #endif    /* #ifndef PSIO_H */

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