Annotation of 41BSD/cmd/chown.c, revision 1.1.1.1

1.1       root        1: static char *sccsid = "@(#)chown.c     4.1 (Berkeley) 10/1/80";
                      2: /*
                      3:  * chown uid file ...
                      4:  */
                      5: 
                      6: #include <stdio.h>
                      7: #include <ctype.h>
                      8: #include <sys/types.h>
                      9: #include <sys/stat.h>
                     10: #include <pwd.h>
                     11: 
                     12: struct passwd  *pwd,*getpwnam();
                     13: struct stat    stbuf;
                     14: int    uid;
                     15: int    status;
                     16: 
                     17: main(argc, argv)
                     18: char *argv[];
                     19: {
                     20:        register c;
                     21: 
                     22:        if(argc < 3) {
                     23:                printf("usage: chown uid file ...\n");
                     24:                exit(4);
                     25:        }
                     26:        if(isnumber(argv[1])) {
                     27:                uid = atoi(argv[1]);
                     28:                goto cho;
                     29:        }
                     30:        if((pwd=getpwnam(argv[1])) == NULL) {
                     31:                printf("unknown user id: %s\n",argv[1]);
                     32:                exit(4);
                     33:        }
                     34:        uid = pwd->pw_uid;
                     35: 
                     36: cho:
                     37:        for(c=2; c<argc; c++) {
                     38:                stat(argv[c], &stbuf);
                     39:                if(chown(argv[c], uid, stbuf.st_gid) < 0) {
                     40:                        perror(argv[c]);
                     41:                        status = 1;
                     42:                }
                     43:        }
                     44:        exit(status);
                     45: }
                     46: 
                     47: isnumber(s)
                     48: char *s;
                     49: {
                     50:        register c;
                     51: 
                     52:        while(c = *s++)
                     53:                if(!isdigit(c))
                     54:                        return(0);
                     55:        return(1);
                     56: }

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