+#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";
-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};
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)
ret = error("Could not open %s for writing", filename);
- else if (fwrite(result.ptr, result.size, 1, f) != 1)
+ else if (result.size &&
+ fwrite(result.ptr, result.size, 1, f) != 1)
ret = error("Could not write to %s", filename);
else if (fclose(f))
ret = error("Could not close %s", filename);