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-rw-r--r--test-wildmatch.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/test-wildmatch.c b/test-wildmatch.c
index a5f4833770..ac86800d50 100644
--- a/test-wildmatch.c
+++ b/test-wildmatch.c
@@ -1,9 +1,82 @@
#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"