X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-merge-file.c;h=58deb62ac08507901c40e89aec0cea7fcdc78f1e;hb=6281f394674bf2db861967da6c2215cfc3fc78af;hp=913577390862a847857a650516740059072b60ad;hpb=3eee9c6dbebcf6341ad202f7dd4d416ef3fcba5e;p=git.git

diff --git a/builtin-merge-file.c b/builtin-merge-file.c
index 913577390..58deb62ac 100644
--- a/builtin-merge-file.c
+++ b/builtin-merge-file.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include "xdiff/xdiff.h"
 #include "xdiff-interface.h"
@@ -5,9 +6,9 @@
 static const char merge_file_usage[] =
 "git merge-file [-p | --stdout] [-q | --quiet] [-L name1 [-L orig [-L name2]]] file1 orig_file file2";
 
-int cmd_merge_file(int argc, char **argv, char **envp)
+int cmd_merge_file(int argc, const char **argv, const char *prefix)
 {
-	char *names[3];
+	const char *names[3];
 	mmfile_t mmfs[3];
 	mmbuffer_t result = {NULL, 0};
 	xpparam_t xpp = {XDF_NEED_MINIMAL};
@@ -36,9 +37,13 @@ int cmd_merge_file(int argc, char **argv, char **envp)
 	for (; i < 3; i++)
 		names[i] = argv[i + 1];
 
-	for (i = 0; i < 3; i++)
+	for (i = 0; i < 3; i++) {
 		if (read_mmfile(mmfs + i, argv[i + 1]))
 			return -1;
+		if (buffer_is_binary(mmfs[i].ptr, mmfs[i].size))
+			return error("Cannot merge binary files: %s\n",
+					argv[i + 1]);
+	}
 
 	ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],
 			&xpp, XDL_MERGE_ZEALOUS, &result);
@@ -47,7 +52,7 @@ int cmd_merge_file(int argc, char **argv, char **envp)
 		free(mmfs[i].ptr);
 
 	if (ret >= 0) {
-		char *filename = argv[1];
+		const char *filename = argv[1];
 		FILE *f = to_stdout ? stdout : fopen(filename, "wb");
 
 		if (!f)