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-rw-r--r--copy.c58
1 files changed, 0 insertions, 58 deletions
diff --git a/copy.c b/copy.c
index 3df156f..d9d2092 100644
--- a/copy.c
+++ b/copy.c
@@ -70,61 +70,3 @@ int copy_file_with_time(const char *dst, const char *src, int mode)
return copy_times(dst, src);
return status;
}
-
-static int do_symlinks_match(const char *path1, const char *path2)
-{
- struct strbuf buf1 = STRBUF_INIT, buf2 = STRBUF_INIT;
- int ret = 0;
-
- if (!strbuf_readlink(&buf1, path1, 0) &&
- !strbuf_readlink(&buf2, path2, 0))
- ret = !strcmp(buf1.buf, buf2.buf);
-
- strbuf_release(&buf1);
- strbuf_release(&buf2);
- return ret;
-}
-
-int do_files_match(const char *path1, const char *path2)
-{
- struct stat st1, st2;
- int fd1 = -1, fd2 = -1, ret = 1;
- char buf1[8192], buf2[8192];
-
- if ((fd1 = open_nofollow(path1, O_RDONLY)) < 0 ||
- fstat(fd1, &st1) || !S_ISREG(st1.st_mode)) {
- if (fd1 < 0 && errno == ELOOP)
- /* maybe this is a symbolic link? */
- return do_symlinks_match(path1, path2);
- ret = 0;
- } else if ((fd2 = open_nofollow(path2, O_RDONLY)) < 0 ||
- fstat(fd2, &st2) || !S_ISREG(st2.st_mode)) {
- ret = 0;
- }
-
- if (ret)
- /* to match, neither must be executable, or both */
- ret = !(st1.st_mode & 0111) == !(st2.st_mode & 0111);
-
- if (ret)
- ret = st1.st_size == st2.st_size;
-
- while (ret) {
- ssize_t len1 = read_in_full(fd1, buf1, sizeof(buf1));
- ssize_t len2 = read_in_full(fd2, buf2, sizeof(buf2));
-
- if (len1 < 0 || len2 < 0 || len1 != len2)
- ret = 0; /* read error or different file size */
- else if (!len1) /* len2 is also 0; hit EOF on both */
- break; /* ret is still true */
- else
- ret = !memcmp(buf1, buf2, len1);
- }
-
- if (fd1 >= 0)
- close(fd1);
- if (fd2 >= 0)
- close(fd2);
-
- return ret;
-}