From: Vincent Kenbeek <vincent.kenbeek@open-xchange.com>
Date: Fri, 12 Apr 2024 08:20:21 +0000 (+0200)
Subject: doveadm: Remove unused function file_contents_equal
X-Git-Tag: 2.4.0~1664
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5dabce9d7e7f8dcb0b6ef612f604b501b2f7aef5;p=thirdparty%2Fdovecot%2Fcore.git

doveadm: Remove unused function file_contents_equal
---

diff --git a/src/doveadm/doveadm-sis.c b/src/doveadm/doveadm-sis.c
index 232b50fae2..c2d6b74928 100644
--- a/src/doveadm/doveadm-sis.c
+++ b/src/doveadm/doveadm-sis.c
@@ -28,70 +28,6 @@ static const char *sis_get_dir(const char *rootdir, const char *hash)
 			       hash[0], hash[1], hash[2], hash[3]);
 }
 
-static int
-file_contents_equal(const char *path1, const char *path2, ino_t *path2_inode_r,
-		    const char **error_r)
-{
-	struct stat st1, st2;
-	int fd1, fd2, ret = -1;
-
-	*path2_inode_r = 0;
-
-	/* do a byte-by-byte comparison for the files to find out if they're
-	   the same or if this is a hash collision */
-	fd1 = open(path1, O_RDONLY);
-	if (fd1 == -1) {
-		*error_r = t_strdup_printf("open(%s) failed: %m", path1);
-		return -1;
-	}
-	fd2 = open(path2, O_RDONLY);
-	if (fd2 == -1) {
-		*error_r = t_strdup_printf("open(%s) failed: %m", path2);
-		i_close_fd(&fd1);
-		return -1;
-	}
-
-	if (fstat(fd1, &st1) < 0)
-		*error_r = t_strdup_printf("fstat(%s) failed: %m", path1);
-	else if (fstat(fd2, &st2) < 0)
-		*error_r = t_strdup_printf("fstat(%s) failed: %m", path1);
-	else if (st1.st_size != st2.st_size)
-		ret = 0;
-	else {
-		/* @UNSAFE: sizes match. compare. */
-		unsigned char buf1[IO_BLOCK_SIZE], buf2[IO_BLOCK_SIZE];
-		ssize_t ret1;
-		int ret2;
-
-		while ((ret1 = read(fd1, buf1, sizeof(buf1))) > 0) {
-			i_assert((size_t)ret1 <= sizeof(buf2));
-			if ((ret2 = read_full(fd2, buf2, ret1)) <= 0) {
-				if (ret2 < 0)
-					*error_r = t_strdup_printf("read(%s) failed: %m", path2);
-				else
-					ret = 0;
-				break;
-			}
-			if (memcmp(buf1, buf2, ret1) != 0) {
-				ret = 0;
-				break;
-			}
-		}
-		if (ret1 < 0)
-			*error_r = t_strdup_printf("read(%s) failed: %m", path1);
-		else if (ret1 == 0)
-			ret = 1;
-		*path2_inode_r = st2.st_ino;
-	}
-
-	if (close(fd1) < 0)
-		*error_r = t_strdup_printf("close(%s) failed: %m", path1);
-	if (close(fd2) < 0)
-		*error_r = t_strdup_printf("close(%s) failed: %m", path2);
-
-	return ret;
-}
-
 static int
 hardlink_replace(const char *src, const char *dest, ino_t src_inode,
 		 const char **error_r)