ref: 3c8246a31ce776976ee95310efa2c6e64a471993
dir: /sys/src/ape/cmd/pax/pass.c/
/* $Source: /u/mark/src/pax/RCS/pass.c,v $
*
* $Revision: 1.3 $
*
* pass.c - handle the pass option of cpio
*
* DESCRIPTION
*
* These functions implement the pass options in PAX. The pass option
* copies files from one directory hierarchy to another.
*
* AUTHOR
*
* Mark H. Colburn, NAPS International (mark@jhereg.mn.org)
*
* Sponsored by The USENIX Association for public distribution.
*
* Copyright (c) 1989 Mark H. Colburn.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice is duplicated in all such
* forms and that any documentation, advertising materials, and other
* materials related to such distribution and use acknowledge that the
* software was developed * by Mark H. Colburn and sponsored by The
* USENIX Association.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Log: pass.c,v $
* Revision 1.3 89/02/12 10:29:51 mark
* Fixed misspelling of Replstr
*
* Revision 1.2 89/02/12 10:05:09 mark
* 1.2 release fixes
*
* Revision 1.1 88/12/23 18:02:20 mark
* Initial revision
*
*/
#ifndef lint
static char *ident = "$Id: pass.c,v 1.3 89/02/12 10:29:51 mark Exp $";
static char *copyright = "Copyright (c) 1989 Mark H. Colburn.\nAll rights reserved.\n";
#endif /* ! lint */
/* Headers */
#include "pax.h"
/* pass - copy within the filesystem
*
* DESCRIPTION
*
* Pass copies the named files from the current directory hierarchy to
* the directory pointed to by dirname.
*
* PARAMETERS
*
* char *dirname - name of directory to copy named files to.
*
*/
#ifdef __STDC__
int pass(char *dirname)
#else
int pass(dirname)
char *dirname;
#endif
{
char name[PATH_MAX + 1];
int fd;
Stat sb;
while (name_next(name, &sb) >= 0 && (fd = openin(name, &sb)) >= 0) {
if (rplhead != (Replstr *)NULL) {
rpl_name(name);
}
if (get_disposition("pass", name) || get_newname(name, sizeof(name))) {
/* skip file... */
if (fd) {
close(fd);
}
continue;
}
if (passitem(name, &sb, fd, dirname)) {
close(fd);
}
if (f_verbose) {
fprintf(stderr, "%s/%s\n", dirname, name);
}
}
}
/* passitem - copy one file
*
* DESCRIPTION
*
* Passitem copies a specific file to the named directory
*
* PARAMETERS
*
* char *from - the name of the file to open
* Stat *asb - the stat block associated with the file to copy
* int ifd - the input file descriptor for the file to copy
* char *dir - the directory to copy it to
*
* RETURNS
*
* Returns given input file descriptor or -1 if an error occurs.
*
* ERRORS
*/
#ifdef __STDC__
int passitem(char *from, Stat *asb, int ifd, char *dir)
#else
int passitem(from, asb, ifd, dir)
char *from;
Stat *asb;
int ifd;
char *dir;
#endif
{
int ofd;
time_t tstamp[2];
char to[PATH_MAX + 1];
if (nameopt(strcat(strcat(strcpy(to, dir), "/"), from)) < 0) {
return (-1);
}
if (asb->sb_nlink > 1) {
linkto(to, asb);
}
if (f_link && islink(from, asb) == (Link *)NULL) {
linkto(from, asb);
}
if ((ofd = openout(to, asb, islink(to, asb), 1)) < 0) {
return (-1);
}
if (ofd >= 0) {
passdata(from, ifd, to, ofd);
}
tstamp[0] = asb->sb_atime;
tstamp[1] = f_mtime ? asb->sb_mtime : time((time_t *) 0);
utime(to, tstamp);
return (ifd);
}