From d7874ed1d498454b3c7342f9e6df0aacb9873186 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 20 Aug 2009 23:33:19 +0200 Subject: patch: support -N. By Olivier Duclos (olivier.duclos AT gmail.com) function old new delta packed_usage 26646 26656 +10 patch_main 1101 1110 +9 Signed-off-by: Denys Vlasenko --- editors/patch.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'editors/patch.c') diff --git a/editors/patch.c b/editors/patch.c index e8482a7a9..4a9715144 100644 --- a/editors/patch.c +++ b/editors/patch.c @@ -74,12 +74,18 @@ int patch_main(int argc UNUSED_PARAM, char **argv) int patch_level; int ret = 0; char plus = '+'; + unsigned opt; + enum { + OPT_R = (1 << 2), + OPT_N = (1 << 3), + }; xfunc_error_retval = 2; { const char *p = "-1"; const char *i = "-"; /* compat */ - if (getopt32(argv, "p:i:R", &p, &i) & 4) + opt = getopt32(argv, "p:i:RN", &p, &i); + if (opt & OPT_R) plus = '-'; patch_level = xatoi(p); /* can be negative! */ patch_file = xfopen_stdin(i); @@ -202,6 +208,10 @@ int patch_main(int argc UNUSED_PARAM, char **argv) src_line = NULL; } } + /* Do not patch an already patched hunk with -N */ + if (src_line == 0 && (opt & OPT_N)) { + continue; + } if (!src_line) { bb_error_msg("hunk #%u FAILED at %u", hunk_count, hunk_offset_start); bad_hunk_count++; -- cgit v1.2.3