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- do not use bb_xgetularg10_bnd as a lower value of -1 doesn't work due to lowe

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being unsigned.
- minor correction: use stdin only when no file was given via -i.
- use shorter boilerplate.
This commit is contained in:
Bernhard Reutner-Fischer 2005-10-10 13:34:19 +00:00
parent 54cb5c6af3
commit 554a9ff7ea
1 changed files with 6 additions and 20 deletions
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26
editors/patch.c
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@ -3,21 +3,7 @@
* busybox patch applet to handle the unified diff format.
* Copyright (C) 2003 Glenn McGrath <bug1@iinet.net.au>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*
* Licensed under the GPL v2, see the file LICENSE in this tarball.
*
* This applet is written to work with patches generated by GNU diff,
* where there is equivalent functionality busybox patch shall behave
@ -113,16 +99,15 @@ extern int patch_main(int argc, char **argv)
char *p, *i;
ret = bb_getopt_ulflags(argc, argv, "p:i:", &p, &i);
if (ret & 1)
patch_level = bb_xgetularg10_bnd(p, -1, USHRT_MAX);
patch_level = atoi(p);
if (ret & 2) {
patch_file = bb_xfopen(i, "r");
} else {
patch_file = stdin;
}
ret = 0;
}
if (!patch_file)
patch_file = stdin;
patch_line = bb_get_line_from_file(patch_file);
while (patch_line) {
FILE *src_stream;
@ -174,7 +159,8 @@ extern int patch_main(int argc, char **argv)
strcpy(backup_filename, new_filename);
strcat(backup_filename, ".orig");
if (rename(new_filename, backup_filename) == -1) {
bb_perror_msg_and_die("Couldnt create file %s", backup_filename);
bb_perror_msg_and_die("Couldnt create file %s",
backup_filename);
}
dst_stream = bb_xfopen(new_filename, "w");
}