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Annotation of coherent/d/usr/bin/pax/shipping/pass.c, revision 1.1

1.1     ! root        1: /* $Source: /newbits/usr/bin/pax/shipping/pass.c,v $
        !             2:  *
        !             3:  * $Revision: 1.1 $
        !             4:  *
        !             5:  * pass.c - handle the pass option of cpio
        !             6:  *
        !             7:  * DESCRIPTION
        !             8:  *
        !             9:  *     These functions implement the pass options in PAX.  The pass option
        !            10:  *     copies files from one directory hierarchy to another.
        !            11:  * 
        !            12:  * AUTHOR
        !            13:  *
        !            14:  *     Mark H. Colburn, NAPS International ([email protected])
        !            15:  *
        !            16:  * Sponsored by The USENIX Association for public distribution. 
        !            17:  *
        !            18:  * Copyright (c) 1989 Mark H. Colburn.
        !            19:  * All rights reserved.
        !            20:  *
        !            21:  * Redistribution and use in source and binary forms are permitted
        !            22:  * provided that the above copyright notice is duplicated in all such 
        !            23:  * forms and that any documentation, advertising materials, and other 
        !            24:  * materials related to such distribution and use acknowledge that the 
        !            25:  * software was developed * by Mark H. Colburn and sponsored by The 
        !            26:  * USENIX Association. 
        !            27:  *
        !            28:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            29:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            30:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            31:  *
        !            32:  * $Log:       /newbits/usr/bin/pax/shipping/pass.c,v $
        !            33:  * Revision 1.1        91/02/05  11:57:42      bin
        !            34:  * Initial revision
        !            35:  * 
        !            36:  * Revision 1.3  89/02/12  10:29:51  mark
        !            37:  * Fixed misspelling of Replstr
        !            38:  * 
        !            39:  * Revision 1.2  89/02/12  10:05:09  mark
        !            40:  * 1.2 release fixes
        !            41:  * 
        !            42:  * Revision 1.1  88/12/23  18:02:20  mark
        !            43:  * Initial revision
        !            44:  * 
        !            45:  */
        !            46: 
        !            47: #ifndef lint
        !            48: static char *ident = "$Id: pass.c,v 1.3 89/02/12 10:29:51 mark Exp $";
        !            49: static char *copyright = "Copyright (c) 1989 Mark H. Colburn.\nAll rights reserved.\n";
        !            50: #endif /* ! lint */
        !            51: 
        !            52: 
        !            53: /* Headers */
        !            54: 
        !            55: #include "pax.h"
        !            56: 
        !            57: 
        !            58: /* pass - copy within the filesystem
        !            59:  *
        !            60:  * DESCRIPTION
        !            61:  *
        !            62:  *     Pass copies the named files from the current directory hierarchy to
        !            63:  *     the directory pointed to by dirname.
        !            64:  *
        !            65:  * PARAMETERS
        !            66:  *
        !            67:  *     char    *dirname        - name of directory to copy named files to.
        !            68:  *
        !            69:  */
        !            70: 
        !            71: #if __STDC__
        !            72:     
        !            73: int pass(char *dirname)
        !            74: 
        !            75: #else
        !            76:     
        !            77: int pass(dirname)
        !            78: char   *dirname;
        !            79: 
        !            80: #endif
        !            81: {
        !            82:     char            name[PATH_MAX + 1];
        !            83:     int             fd;
        !            84:     Stat            sb;
        !            85: 
        !            86:     while (name_next(name, &sb) >= 0 && (fd = openin(name, &sb)) >= 0) {
        !            87: 
        !            88:        if (rplhead != (Replstr *)NULL) {
        !            89:            rpl_name(name);
        !            90:        }
        !            91:        if (get_disposition("pass", name) || get_newname(name, sizeof(name))) {
        !            92:            /* skip file... */
        !            93:            if (fd) {
        !            94:                close(fd);
        !            95:            }
        !            96:            continue;
        !            97:        } 
        !            98: 
        !            99:        if (passitem(name, &sb, fd, dirname)) {
        !           100:            close(fd);
        !           101:        }
        !           102:        if (f_verbose) {
        !           103:            fprintf(stderr, "%s/%s\n", dirname, name);
        !           104:        }
        !           105:     }
        !           106: }
        !           107: 
        !           108: 
        !           109: /* passitem - copy one file
        !           110:  *
        !           111:  * DESCRIPTION
        !           112:  *
        !           113:  *     Passitem copies a specific file to the named directory
        !           114:  *
        !           115:  * PARAMETERS
        !           116:  *
        !           117:  *     char   *from    - the name of the file to open
        !           118:  *     Stat   *asb     - the stat block associated with the file to copy
        !           119:  *     int     ifd     - the input file descriptor for the file to copy
        !           120:  *     char   *dir     - the directory to copy it to
        !           121:  *
        !           122:  * RETURNS
        !           123:  *
        !           124:  *     Returns given input file descriptor or -1 if an error occurs.
        !           125:  *
        !           126:  * ERRORS
        !           127:  */
        !           128: 
        !           129: #if __STDC__
        !           130: 
        !           131: int passitem(char *from, Stat *asb, int ifd, char *dir)
        !           132: 
        !           133: #else
        !           134:     
        !           135: int passitem(from, asb, ifd, dir)
        !           136: char           *from;
        !           137: Stat           *asb;
        !           138: int             ifd;
        !           139: char           *dir;
        !           140: 
        !           141: #endif
        !           142: {
        !           143:     int             ofd;
        !           144:     time_t          tstamp[2];
        !           145:     char            to[PATH_MAX + 1];
        !           146: 
        !           147:     if (nameopt(strcat(strcat(strcpy(to, dir), "/"), from)) < 0) {
        !           148:        return (-1);
        !           149:     }
        !           150:     if (asb->sb_nlink > 1) {
        !           151:        linkto(to, asb);
        !           152:     }
        !           153:     if (f_link && islink(from, asb) == (Link *)NULL) {
        !           154:        linkto(from, asb);
        !           155:     }
        !           156:     if ((ofd = openout(to, asb, islink(to, asb), 1)) < 0) {
        !           157:        return (-1);
        !           158:     }
        !           159:     if (ofd > 0) {
        !           160:        passdata(from, ifd, to, ofd);
        !           161:     }
        !           162:     tstamp[0] = asb->sb_atime;
        !           163:     tstamp[1] = f_mtime ? asb->sb_mtime : time((time_t *) 0);
        !           164:     utime(to, tstamp);
        !           165:     return (ifd);
        !           166: }

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