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Annotation of src/usr.bin/tcfs/tcfs_flags.c, Revision 1.2

1.1       provos      1: /*
                      2:  *     Transparent Cryptographic File System (TCFS) for NetBSD
                      3:  *     Author and mantainer:   Luigi Catuogno [luicat@tcfs.unisa.it]
                      4:  *
                      5:  *     references:             http://tcfs.dia.unisa.it
                      6:  *                             tcfs-bsd@tcfs.unisa.it
                      7:  */
                      8:
                      9: /*
                     10:  *     Base utility set v0.1
                     11:  */
                     12:
                     13: #include <stdio.h>
                     14: #include <errno.h>
                     15: #include <fcntl.h>
                     16: #include <sys/types.h>
                     17: #include <ctype.h>
                     18: #include <pwd.h>
                     19: #include <unistd.h>
                     20: #include <sys/param.h>
                     21: #include <sys/mount.h>
                     22: #include <sys/wait.h>
                     23: #include <sys/stat.h>
                     24:
                     25: #include <miscfs/tcfs/tcfs.h>
                     26: #include <miscfs/tcfs/tcfs_fileinfo.h>
                     27: #include "tcfsdefines.h"
                     28:
                     29: #include <des.h>
                     30:
                     31: tcfs_flags
                     32: tcfs_getflags(int fd)
                     33: {
                     34:        tcfs_flags r;
                     35:        struct stat s;
                     36:
                     37:        if (fstat(fd,&s) < 0) {
                     38:                 r.flag = -1;
                     39:        } else
                     40:                 r.flag = s.st_flags;
                     41:        return r;
                     42: }
                     43:
                     44:
                     45: tcfs_flags
                     46: tcfs_setflags(int fd, tcfs_flags x)
                     47: {
1.2     ! provos     48:        tcfs_flags r, n;
1.1       provos     49:        r = tcfs_getflags(fd);
                     50:
                     51:        if (r.flag == -1) {
1.2     ! provos     52:                r.flag = -1;
        !            53:                return r;
1.1       provos     54:        }
                     55:
                     56:        n = x;
1.2     ! provos     57:        FI_SET_SP(&n, FI_SPURE(&r));
1.1       provos     58:
1.2     ! provos     59:        if (fchflags(fd, n.flag)) {
        !            60:                perror("fchflags");
        !            61:                r.flag = -1;
        !            62:        }
1.1       provos     63:
                     64:        return r;
                     65: }