+#include "builtin.h"
#include "cache.h"
#include "xdiff/xdiff.h"
+#include "xdiff-interface.h"
static const char merge_file_usage[] =
"git merge-file [-p | --stdout] [-q | --quiet] [-L name1 [-L orig [-L name2]]] file1 orig_file file2";
-static int read_file(mmfile_t *ptr, const char *filename)
+int cmd_merge_file(int argc, const char **argv, const char *prefix)
{
- struct stat st;
- FILE *f;
-
- if (stat(filename, &st))
- return error("Could not stat %s", filename);
- if ((f = fopen(filename, "rb")) == NULL)
- return error("Could not open %s", filename);
- ptr->ptr = xmalloc(st.st_size);
- if (fread(ptr->ptr, st.st_size, 1, f) != 1)
- return error("Could not read %s", filename);
- fclose(f);
- ptr->size = st.st_size;
- return 0;
-}
-
-int cmd_merge_file(int argc, char **argv, char **envp)
-{
- char *names[3];
+ const char *names[3];
mmfile_t mmfs[3];
mmbuffer_t result = {NULL, 0};
xpparam_t xpp = {XDF_NEED_MINIMAL};
for (; i < 3; i++)
names[i] = argv[i + 1];
- for (i = 0; i < 3; i++)
- if (read_file(mmfs + i, argv[i + 1]))
+ 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);
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)