This is an archive of the discontinued Mercurial Phabricator instance.

				#include <stdio.h>
				#include <stdlib.h>
				#include <string.h>
				#include <unistd.h>

				#include "lib/third-party/xdiff/xdiff.h"

				#define abort(...) \
				{ \
				fprintf(stderr, __VA_ARGS__); \
				exit(-1); \
				}

				void readfile(const char path, mmfile_t file)
				{
				memset(file, 0, sizeof(*file));
				FILE *fp = fopen(path, "r");
				if (!fp) {
				abort("cannot open %s\n", path);
				}
				while (!feof(fp)) {
				char buf[40960];
				size_t size = fread(buf, 1, sizeof buf, fp);
				if (size > 0) {
				size_t new_size = file->size + size;
				file->ptr = realloc(file->ptr, new_size);
				if (!file->ptr) {
				abort("cannot allocate\n");
				}
				memcpy(file->ptr + file->size, buf, size);
				file->size = new_size;
				}
				}
				fclose(fp);
				}

				static int xdiff_outf(void priv_, mmbuffer_t mb, int nbuf)
				{
				int i;
				for (i = 0; i < nbuf; i++) {
				write(STDOUT_FILENO, mb[i].ptr, mb[i].size);
				}
				return 0;
				}

				int main(int argc, char const *argv[])
				{
				if (argc < 3) {
				abort("usage: %s FILE1 FILE2\n", argv[0]);
				}

				mmfile_t a, b;

				readfile(argv[1], &a);
				readfile(argv[2], &b);

				xpparam_t xpp = {
				0, /* flags */
				NULL, /* anchors */
				0, /* anchors_nr */
				};
				xdemitconf_t xecfg = {
				3, /* ctxlen */
				0, /* interhunkctxlen */
				0, /* flags */
				NULL, /* find_func */
				NULL, /* find_func_priv */
				NULL, /* hunk_consume_func */
				};
				xdemitcb_t ecb = {
				0, /* priv */
				&xdiff_outf, /* outf */
				};

				xdl_diff(&a, &b, &xpp, &xecfg, &ecb);

				free(a->ptr);
				free(b->ptr);

				return 0;
				}

Diff	ID	Base	Description	Created	Lint	Unit
Base			Base
Diff 1	6417			Mar 2 2018, 7:25 PM	★	★

xdiff: add a binary utility that runs xdiffAbandonedPublic