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win32.c: path_drive

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* win32/win32.c (path_drive): extract from winnt_stat, return the
  drive number in the path, or the current drive.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50052 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-03-22 02:26:54 +00:00
parent d26965fcdb
commit 0109f86871
1 changed files with 9 additions and 2 deletions
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11
win32/win32.c
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@ -5071,6 +5071,14 @@ stat_by_find(const WCHAR *path, struct stati64 *st)
return 0;
}
/* License: Ruby's */
static int
path_drive(const WCHAR *path)
{
return (iswalpha(path[0]) && path[1] == L':') ?
towupper(path[0]) - L'A' : _getdrive() - 1;
}
/* License: Ruby's */
static int
winnt_stat(const WCHAR *path, struct stati64 *st)
@ -5103,8 +5111,7 @@ winnt_stat(const WCHAR *path, struct stati64 *st)
if (stat_by_find(path, st)) return -1;
}
st->st_dev = st->st_rdev = (iswalpha(path[0]) && path[1] == L':') ?
towupper(path[0]) - L'A' : _getdrive() - 1;
st->st_dev = st->st_rdev = path_drive(path);
return 0;
}