1 files changed, 100 insertions, 0 deletions
diff --git a/test-wildmatch.c b/test-wildmatch.c
new file mode 100644
index 0000000000..a3e2643fbc
--- /dev/null
+++ b/test-wildmatch.c
@@ -0,0 +1,100 @@
+#ifdef USE_WILDMATCH
+#undef USE_WILDMATCH  /* We need real fnmatch implementation here */
+#endif
+#include "cache.h"
+#include "wildmatch.h"
+
+static int perf(int ac, char **av)
+{
+	struct timeval tv1, tv2;
+	struct stat st;
+	int fd, i, n, flags1 = 0, flags2 = 0;
+	char *buffer, *p;
+	uint32_t usec1, usec2;
+	const char *lang;
+	const char *file = av[0];
+	const char *pattern = av[1];
+
+	lang = getenv("LANG");
+	if (lang && strcmp(lang, "C"))
+		die("Please test it on C locale.");
+
+	if ((fd = open(file, O_RDONLY)) == -1 || fstat(fd, &st))
+		die_errno("file open");
+
+	buffer = xmalloc(st.st_size + 2);
+	if (read(fd, buffer, st.st_size) != st.st_size)
+		die_errno("read");
+
+	buffer[st.st_size] = '\0';
+	buffer[st.st_size + 1] = '\0';
+	for (i = 0; i < st.st_size; i++)
+		if (buffer[i] == '\n')
+			buffer[i] = '\0';
+
+	n = atoi(av[2]);
+	if (av[3] && !strcmp(av[3], "pathname")) {
+		flags1 = WM_PATHNAME;
+		flags2 = FNM_PATHNAME;
+	}
+
+	gettimeofday(&tv1, NULL);
+	for (i = 0; i < n; i++) {
+		for (p = buffer; *p; p += strlen(p) + 1)
+			wildmatch(pattern, p, flags1, NULL);
+	}
+	gettimeofday(&tv2, NULL);
+
+	usec1 = (uint32_t)tv2.tv_sec * 1000000 + tv2.tv_usec;
+	usec1 -= (uint32_t)tv1.tv_sec * 1000000 + tv1.tv_usec;
+	printf("wildmatch %ds %dus\n",
+	       (int)(usec1 / 1000000),
+	       (int)(usec1 % 1000000));
+
+	gettimeofday(&tv1, NULL);
+	for (i = 0; i < n; i++) {
+		for (p = buffer; *p; p += strlen(p) + 1)
+			fnmatch(pattern, p, flags2);
+	}
+	gettimeofday(&tv2, NULL);
+
+	usec2 = (uint32_t)tv2.tv_sec * 1000000 + tv2.tv_usec;
+	usec2 -= (uint32_t)tv1.tv_sec * 1000000 + tv1.tv_usec;
+	if (usec2 > usec1)
+		printf("fnmatch   %ds %dus or %.2f%% slower\n",
+		       (int)((usec2 - usec1) / 1000000),
+		       (int)((usec2 - usec1) % 1000000),
+		       (float)(usec2 - usec1) / usec1 * 100);
+	else
+		printf("fnmatch   %ds %dus or %.2f%% faster\n",
+		       (int)((usec1 - usec2) / 1000000),
+		       (int)((usec1 - usec2) % 1000000),
+		       (float)(usec1 - usec2) / usec1 * 100);
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int i;
+
+	if (!strcmp(argv[1], "perf"))
+		return perf(argc - 2, argv + 2);
+
+	for (i = 2; i < argc; i++) {
+		if (argv[i][0] == '/')
+			die("Forward slash is not allowed at the beginning of the\n"
+			    "pattern because Windows does not like it. Use `XXX/' instead.");
+		else if (!strncmp(argv[i], "XXX/", 4))
+			argv[i] += 3;
+	}
+	if (!strcmp(argv[1], "wildmatch"))
+		return !!wildmatch(argv[3], argv[2], WM_PATHNAME, NULL);
+	else if (!strcmp(argv[1], "iwildmatch"))
+		return !!wildmatch(argv[3], argv[2], WM_PATHNAME | WM_CASEFOLD, NULL);
+	else if (!strcmp(argv[1], "pathmatch"))
+		return !!wildmatch(argv[3], argv[2], 0, NULL);
+	else if (!strcmp(argv[1], "fnmatch"))
+		return !!fnmatch(argv[3], argv[2], FNM_PATHNAME);
+	else
+		return 1;
+}