From eb5091070f6876993d868d2b2bb49b4b4d3ed002 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 23 Jan 2016 05:13:15 +0100 Subject: [PATCH] patch: correctly handle "patch FILE_TO_PATCH" form. Closes 7736 Signed-off-by: Denys Vlasenko --- editors/patch.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/editors/patch.c b/editors/patch.c index cb25e4140..988021d77 100644 --- a/editors/patch.c +++ b/editors/patch.c @@ -372,10 +372,6 @@ int patch_main(int argc UNUSED_PARAM, char **argv) xmove_fd(xopen_stdin(argv[1]), STDIN_FILENO); } } - if (argv[0]) { - oldname = xstrdup(argv[0]); - newname = xstrdup(argv[0]); - } // Loop through the lines in the patch for(;;) { @@ -486,10 +482,10 @@ int patch_main(int argc UNUSED_PARAM, char **argv) // or if new hunk is empty (zero context) after patching if (!strcmp(name, "/dev/null") || !(reverse ? oldsum : newsum)) { name = reverse ? newname : oldname; - empty++; + empty = 1; } - // handle -p path truncation. + // Handle -p path truncation. for (i = 0, s = name; *s;) { if ((option_mask32 & FLAG_PATHLEN) && TT.prefix == i) break; @@ -500,6 +496,9 @@ int patch_main(int argc UNUSED_PARAM, char **argv) i++; name = s; } + // If "patch FILE_TO_PATCH", completely ignore name from patch + if (argv[0]) + name = argv[0]; if (empty) { // File is empty after the patches have been applied