freebsd-dev/usr.sbin/pkg_install/delete/main.c
Jordan K. Hubbard aed4d2d137 Cause fatal error messages to be a little more helpful to the programmer
concerning where they're taking place.

Switch from [r]index() to str[r]chr() functions, which are more ISO
compliant.

Prompted by:	Edward Welbourne <eddy@vortigen.demon.co.uk>
2000-10-22 09:53:27 +00:00

132 lines
2.7 KiB
C

#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif
/*
*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Jordan K. Hubbard
* 18 July 1993
*
* This is the delete module.
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include "lib.h"
#include "delete.h"
static char Options[] = "hvDdnfp:";
char *Prefix = NULL;
Boolean NoDeInstall = FALSE;
Boolean CleanDirs = FALSE;
static void usage __P((void));
int
main(int argc, char **argv)
{
int ch, error;
char **pkgs, **start;
char *pkgs_split;
char *tmp;
struct stat stat_s;
pkgs = start = argv;
while ((ch = getopt(argc, argv, Options)) != -1)
switch(ch) {
case 'v':
Verbose = TRUE;
break;
case 'f':
Force = TRUE;
break;
case 'p':
Prefix = optarg;
break;
case 'D':
NoDeInstall = TRUE;
break;
case 'd':
CleanDirs = TRUE;
break;
case 'n':
Fake = TRUE;
Verbose = TRUE;
break;
case 'h':
case '?':
default:
usage();
break;
}
argc -= optind;
argv += optind;
/* Get all the remaining package names, if any */
while (*argv) {
while ((pkgs_split = strrchr(*argv, (int)'/')) != NULL) {
*pkgs_split++ = '\0';
/*
* If character after the '/' is alphanumeric, then we've found the
* package name. Otherwise we've come across a trailing '/' and
* need to continue our quest.
*/
if (isalpha(*pkgs_split)) {
*argv = pkgs_split;
break;
}
}
*pkgs++ = *argv++;
}
/* If no packages, yelp */
if (pkgs == start)
warnx("missing package name(s)"), usage();
*pkgs = NULL;
tmp = getenv(PKG_DBDIR) ? getenv(PKG_DBDIR) : DEF_LOG_DIR;
(void) stat(tmp, &stat_s);
if (!Fake && getuid() && geteuid() != stat_s.st_uid) {
if (!Force)
errx(1, "you do not own %s, use -f to force", tmp);
else
warnx("you do not own %s (proceeding anyways)", tmp);
}
if ((error = pkg_perform(start)) != 0) {
if (Verbose)
warnx("%d package deletion(s) failed", error);
return error;
}
else
return 0;
}
static void
usage()
{
fprintf(stderr, "usage: pkg_delete [-vDdnf] [-p prefix] pkg-name ...\n");
exit(1);
}