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| author | Rob Landley | 2010-08-13 16:40:21 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-08-13 16:40:21 +0200 |
| commit | 760d0ebbe5edaedb60b4de64bde2ad098d1f45d9 (patch) | |
| tree | 400a88cc5c7588a5dbb574f84f750fa308bf6f37 /editors | |
| parent | 1bbc0cd7f293aac5e15d6c1e16bee9f1484c6fbf (diff) | |
| download | busybox-760d0ebbe5edaedb60b4de64bde2ad098d1f45d9.zip busybox-760d0ebbe5edaedb60b4de64bde2ad098d1f45d9.tar.gz | |
patch: deal with ommitted ",len" in hunk headers (default len to 1)
Signed-off-by: Rob Landley <rob@landley.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/patch.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/editors/patch.c b/editors/patch.c index 7f3234e..b12c662 100644 --- a/editors/patch.c +++ b/editors/patch.c @@ -227,7 +227,8 @@ struct globals { long prefix; struct double_list *current_hunk; - long oldline, oldlen, newline, newlen, linenum; + long oldline, oldlen, newline, newlen; + long linenum; int context, state, filein, fileout, filepatch, hunknum; char *tempname; @@ -505,14 +506,19 @@ int patch_main(int argc UNUSED_PARAM, char **argv) // way the patch man page says, so you have to read the first hunk // and _guess_. - // Start a new hunk? + // Start a new hunk? Usually @@ -oldline,oldlen +newline,newlen @@ + // but a missing ,value means the value is 1. } else if (state == 1 && !strncmp("@@ -", patchline, 4)) { int i; + char *s = patchline+4; - i = sscanf(patchline+4, "%ld,%ld +%ld,%ld", &TT.oldline, - &TT.oldlen, &TT.newline, &TT.newlen); - if (i != 4) - bb_error_msg_and_die("corrupt hunk %d at %ld", TT.hunknum, TT.linenum); + // Read oldline[,oldlen] +newline[,newlen] + + TT.oldlen = TT.newlen = 1; + TT.oldline = strtol(s, &s, 10); + if (*s == ',') TT.oldlen=strtol(s+1, &s, 10); + TT.newline = strtol(s+2, &s, 10); + if (*s == ',') TT.newlen = strtol(s+1, &s, 10); TT.context = 0; state = 2; @@ -520,7 +526,7 @@ int patch_main(int argc UNUSED_PARAM, char **argv) // If this is the first hunk, open the file. if (TT.filein == -1) { int oldsum, newsum, del = 0; - char *s, *name; + char *name; oldsum = TT.oldline + TT.oldlen; newsum = TT.newline + TT.newlen; |