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Annotation of coherent/b/lib/libc/gen/ftok.c, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * libc/gen/ftok.c
                      3:  * Return key based on path and id.
                      4:  * Return -1 if path is not accesible.
                      5:  */
                      6: 
                      7: #include <sys/ipc.h>
                      8: #include <sys/stat.h>
                      9: 
                     10: key_t
                     11: ftok(name, id)
                     12: char   *name;          /* name of file, could be special file or directory */
                     13: int    id;                             /* project id */
                     14: {
                     15:        register key_t  key;            /* key value */
                     16:        struct  stat    s;              /* stat buffer */
                     17: 
                     18:        return ((key = stat(name, &s)) < 0) ? key
                     19:                : (key_t)(s.st_ino<<8 | ((key_t)(id & 0xFF))<<24 | minor(s.st_dev));
                     20: }
                     21: 
                     22: /* end of ftok.c */

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