Return to chgrp.c CVS log

Up to [MW Coherent from dump] / coherent / d / bin

Annotation of coherent/d/bin/chgrp.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Change the group owner of specified files.
        !             3:  */
        !             4: 
        !             5: /*
        !             6:  * chgrp didn't check numerical group id; prints out strange
        !             7:  * error messages, didn't check effective uid. Fixed 1-06-91. Vlad.
        !             8:  */
        !             9: 
        !            10: #include <stdio.h>
        !            11: #include <sys/stat.h>
        !            12: #include <grp.h>
        !            13: #include <ctype.h>     /* Vlad */
        !            14: 
        !            15: main(argc, argv)
        !            16: char *argv[];
        !            17: {
        !            18:        register struct group *grp;
        !            19:        register int c;
        !            20:        register short owner, group;
        !            21:        struct stat sb;
        !            22:        register short status = 0;
        !            23: 
        !            24:        /* Only superuser can invoke chgrp under COHERENT. Vlad */
        !            25:        if (geteuid())
        !            26:                cherr("not a super user\n");
        !            27: 
        !            28:        if (argc < 3)
        !            29:                usage();
        !            30:        
        !            31:        /* You can specify group by numeric id or by name. Vlad */
        !            32:        if (isdigit((int) *argv[1])) {
        !            33:                if ((grp = getgrgid(atoi(argv[1]))) == NULL)
        !            34:                        cherr("bad numeric group id `%s'\n", argv[1]);
        !            35:        } else
        !            36:                if ((grp = getgrnam(argv[1])) == NULL)
        !            37:                        cherr("bad group name `%s'\n", argv[1]);
        !            38: 
        !            39:        group = grp->gr_gid;
        !            40: 
        !            41:        for (c = 2; c < argc; c++) {
        !            42:                owner = 0;
        !            43:                if (stat(argv[c], &sb) >= 0)
        !            44:                        owner = sb.st_uid;
        !            45:                if (chown(argv[c], owner, group) < 0) {
        !            46:                        perror(argv[c]);
        !            47:                        status = 2;
        !            48:                }
        !            49:        }
        !            50:        exit (status);
        !            51: }
        !            52: 
        !            53: usage()
        !            54: {
        !            55:        fprintf(stderr, "Usage: chgrp group file ...\n");
        !            56:        exit(1);
        !            57: }
        !            58: 
        !            59: /* VARARGS */
        !            60: cherr(x)
        !            61: {
        !            62:        fprintf(stderr, "chgrp: %r", &x);
        !            63:        exit(2);
        !            64: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.