Return to strip.c CVS log

Up to [CSRG BSD Unix] / 42BSD / bin

Annotation of 42BSD/bin/strip.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char *sccsid = "@(#)strip.c     4.5 (Berkeley) 7/6/83";
        !             3: #endif
        !             4: 
        !             5: #include <a.out.h>
        !             6: #include <signal.h>
        !             7: #include <stdio.h>
        !             8: #include <sys/file.h>
        !             9: 
        !            10: struct exec head;
        !            11: int    status;
        !            12: int    pagesize;
        !            13: 
        !            14: main(argc, argv)
        !            15:        char *argv[];
        !            16: {
        !            17:        register i;
        !            18: 
        !            19:        pagesize = getpagesize();
        !            20:        signal(SIGHUP, SIG_IGN);
        !            21:        signal(SIGINT, SIG_IGN);
        !            22:        signal(SIGQUIT, SIG_IGN);
        !            23:        for (i = 1; i < argc; i++) {
        !            24:                strip(argv[i]);
        !            25:                if (status > 1)
        !            26:                        break;
        !            27:        }
        !            28:        exit(status);
        !            29: }
        !            30: 
        !            31: strip(name)
        !            32:        char *name;
        !            33: {
        !            34:        register f;
        !            35:        long size;
        !            36: 
        !            37:        f = open(name, O_RDWR);
        !            38:        if (f < 0) {
        !            39:                fprintf(stderr, "strip: "); perror(name);
        !            40:                status = 1;
        !            41:                goto out;
        !            42:        }
        !            43:        if (read(f, (char *)&head, sizeof (head)) < 0 || N_BADMAG(head)) {
        !            44:                printf("strip: %s not in a.out format\n", name);
        !            45:                status = 1;
        !            46:                goto out;
        !            47:        }
        !            48:        if ((head.a_syms == 0) && (head.a_trsize == 0) && (head.a_drsize ==0)) {
        !            49:                printf("strip: %s already stripped\n", name);
        !            50:                goto out;
        !            51:        }
        !            52:        size = (long)head.a_text + head.a_data;
        !            53:        head.a_syms = head.a_trsize = head.a_drsize = 0;
        !            54:        if (head.a_magic == ZMAGIC)
        !            55:                size += pagesize - sizeof (head);
        !            56:        if (ftruncate(f, size + sizeof (head)) < 0) {
        !            57:                fprintf("strip: "); perror(name);
        !            58:                status = 1;
        !            59:                goto out;
        !            60:        }
        !            61:        (void) lseek(f, (long)0, L_SET);
        !            62:        (void) write(f, (char *)&head, sizeof (head));
        !            63: out:
        !            64:        close(f);
        !            65: }

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