Andrew's git - gitweb.git/blob

   1#ifdef USE_WILDMATCH
   2#undef USE_WILDMATCH  /* We need real fnmatch implementation here */
   3#endif
   4#include "cache.h"
   5#include "wildmatch.h"
   6
   7static int perf(int ac, char **av)
   8{
   9        struct timeval tv1, tv2;
  10        struct stat st;
  11        int fd, i, n, flags1 = 0, flags2 = 0;
  12        char *buffer, *p;
  13        uint32_t usec1, usec2;
  14        const char *lang;
  15        const char *file = av[0];
  16        const char *pattern = av[1];
  17
  18        lang = getenv("LANG");
  19        if (lang && strcmp(lang, "C"))
  20                die("Please test it on C locale.");
  21
  22        if ((fd = open(file, O_RDONLY)) == -1 || fstat(fd, &st))
  23                die_errno("file open");
  24
  25        buffer = xmalloc(st.st_size + 2);
  26        if (read(fd, buffer, st.st_size) != st.st_size)
  27                die_errno("read");
  28
  29        buffer[st.st_size] = '\0';
  30        buffer[st.st_size + 1] = '\0';
  31        for (i = 0; i < st.st_size; i++)
  32                if (buffer[i] == '\n')
  33                        buffer[i] = '\0';
  34
  35        n = atoi(av[2]);
  36        if (av[3] && !strcmp(av[3], "pathname")) {
  37                flags1 = WM_PATHNAME;
  38                flags2 = FNM_PATHNAME;
  39        }
  40
  41        gettimeofday(&tv1, NULL);
  42        for (i = 0; i < n; i++) {
  43                for (p = buffer; *p; p += strlen(p) + 1)
  44                        wildmatch(pattern, p, flags1, NULL);
  45        }
  46        gettimeofday(&tv2, NULL);
  47
  48        usec1 = (uint32_t)tv2.tv_sec * 1000000 + tv2.tv_usec;
  49        usec1 -= (uint32_t)tv1.tv_sec * 1000000 + tv1.tv_usec;
  50        printf("wildmatch %ds %dus\n",
  51               (int)(usec1 / 1000000),
  52               (int)(usec1 % 1000000));
  53
  54        gettimeofday(&tv1, NULL);
  55        for (i = 0; i < n; i++) {
  56                for (p = buffer; *p; p += strlen(p) + 1)
  57                        fnmatch(pattern, p, flags2);
  58        }
  59        gettimeofday(&tv2, NULL);
  60
  61        usec2 = (uint32_t)tv2.tv_sec * 1000000 + tv2.tv_usec;
  62        usec2 -= (uint32_t)tv1.tv_sec * 1000000 + tv1.tv_usec;
  63        if (usec2 > usec1)
  64                printf("fnmatch   %ds %dus or %.2f%% slower\n",
  65                       (int)((usec2 - usec1) / 1000000),
  66                       (int)((usec2 - usec1) % 1000000),
  67                       (float)(usec2 - usec1) / usec1 * 100);
  68        else
  69                printf("fnmatch   %ds %dus or %.2f%% faster\n",
  70                       (int)((usec1 - usec2) / 1000000),
  71                       (int)((usec1 - usec2) % 1000000),
  72                       (float)(usec1 - usec2) / usec1 * 100);
  73        return 0;
  74}
  75
  76int main(int argc, char **argv)
  77{
  78        int i;
  79
  80        if (!strcmp(argv[1], "perf"))
  81                return perf(argc - 2, argv + 2);
  82
  83        for (i = 2; i < argc; i++) {
  84                if (argv[i][0] == '/')
  85                        die("Forward slash is not allowed at the beginning of the\n"
  86                            "pattern because Windows does not like it. Use `XXX/' instead.");
  87                else if (!strncmp(argv[i], "XXX/", 4))
  88                        argv[i] += 3;
  89        }
  90        if (!strcmp(argv[1], "wildmatch"))
  91                return !!wildmatch(argv[3], argv[2], WM_PATHNAME, NULL);
  92        else if (!strcmp(argv[1], "iwildmatch"))
  93                return !!wildmatch(argv[3], argv[2], WM_PATHNAME | WM_CASEFOLD, NULL);
  94        else if (!strcmp(argv[1], "pathmatch"))
  95                return !!wildmatch(argv[3], argv[2], 0, NULL);
  96        else if (!strcmp(argv[1], "fnmatch"))
  97                return !!fnmatch(argv[3], argv[2], FNM_PATHNAME);
  98        else
  99                return 1;
 100}