Andrew's git - gitweb.git/blob

   1#include "../git-compat-util.h"
   2#include "../strbuf.h"
   3
   4/* Adapted from libiberty's basename.c.  */
   5char *gitbasename (char *path)
   6{
   7        const char *base;
   8
   9        if (path)
  10                skip_dos_drive_prefix(&path);
  11
  12        if (!path || !*path)
  13                return ".";
  14
  15        for (base = path; *path; path++) {
  16                if (!is_dir_sep(*path))
  17                        continue;
  18                do {
  19                        path++;
  20                } while (is_dir_sep(*path));
  21                if (*path)
  22                        base = path;
  23                else
  24                        while (--path != base && is_dir_sep(*path))
  25                                *path = '\0';
  26        }
  27        return (char *)base;
  28}
  29
  30char *gitdirname(char *path)
  31{
  32        static struct strbuf buf = STRBUF_INIT;
  33        char *p = path, *slash = NULL, c;
  34        int dos_drive_prefix;
  35
  36        if (!p)
  37                return ".";
  38
  39        if ((dos_drive_prefix = skip_dos_drive_prefix(&p)) && !*p)
  40                goto dot;
  41
  42        /*
  43         * POSIX.1-2001 says dirname("/") should return "/", and dirname("//")
  44         * should return "//", but dirname("///") should return "/" again.
  45         */
  46        if (is_dir_sep(*p)) {
  47                if (!p[1] || (is_dir_sep(p[1]) && !p[2]))
  48                        return path;
  49                slash = ++p;
  50        }
  51        while ((c = *(p++)))
  52                if (is_dir_sep(c)) {
  53                        char *tentative = p - 1;
  54
  55                        /* POSIX.1-2001 says to ignore trailing slashes */
  56                        while (is_dir_sep(*p))
  57                                p++;
  58                        if (*p)
  59                                slash = tentative;
  60                }
  61
  62        if (slash) {
  63                *slash = '\0';
  64                return path;
  65        }
  66
  67dot:
  68        strbuf_reset(&buf);
  69        strbuf_addf(&buf, "%.*s.", dos_drive_prefix, path);
  70        return buf.buf;
  71}