From 2a7a4513918fef3bbf3d665ea0871dfc555d6692 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Tue, 18 Mar 2008 01:38:04 +0000 Subject: [PATCH] patch: don't trash permissions of patched file --- editors/patch.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/editors/patch.c b/editors/patch.c index ff1a01d2e..9a678e162 100644 --- a/editors/patch.c +++ b/editors/patch.c @@ -71,12 +71,6 @@ static char *extract_filename(char *line, int patch_level) return xstrdup(filename_start_ptr); } -static int file_doesnt_exist(const char *filename) -{ - struct stat statbuf; - return stat(filename, &statbuf); -} - int patch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int patch_main(int argc ATTRIBUTE_UNUSED, char **argv) { @@ -84,7 +78,8 @@ int patch_main(int argc ATTRIBUTE_UNUSED, char **argv) char *patch_line; int ret; FILE *patch_file = NULL; - + struct stat saved_stat; + { char *p, *i; ret = getopt32(argv, "p:i:", &p, &i); @@ -134,8 +129,9 @@ int patch_main(int argc ATTRIBUTE_UNUSED, char **argv) } new_filename = extract_filename(patch_line, patch_level); free(patch_line); - - if (file_doesnt_exist(new_filename)) { + + /* Get access rights from the file to be patched, -1 file does not exist */ + if (stat(new_filename, &saved_stat)) { char *line_ptr; /* Create leading directories */ line_ptr = strrchr(new_filename, '/'); @@ -152,9 +148,10 @@ int patch_main(int argc ATTRIBUTE_UNUSED, char **argv) strcat(backup_filename, ".orig"); xrename(new_filename, backup_filename); dst_stream = xfopen(new_filename, "w"); + fchmod(fileno(dst_stream), saved_stat.st_mode); } - if ((backup_filename == NULL) || file_doesnt_exist(original_filename)) { + if ((backup_filename == NULL) || stat(original_filename, &saved_stat)) { src_stream = NULL; } else { if (strcmp(original_filename, new_filename) == 0) { -- 2.25.1