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dir.h: direct::d_type

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* dir.c (glob_helper): use d_type to reduce lstat system calls.
* win32/dir.h (struct direct): add d_type instead of d_isdir and
  d_isrep.  SYMLINKD is unreliable, since the target can be
  replaced after a link was created.
* win32/win32.c (readdir_internal): set d_type.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-03-14 03:23:56 +00:00
parent b48ef1382f
commit 00f7db376c
4 changed files with 25 additions and 6 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
Sat Mar 14 12:23:53 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* dir.c (glob_helper): use d_type to reduce lstat system calls.
* win32/dir.h (struct direct): add d_type instead of d_isdir and
d_isrep. SYMLINKD is unreliable, since the target can be
replaced after a link was created.
* win32/win32.c (readdir_internal): set d_type.
Sat Mar 14 02:14:50 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (primary): empty parentheses at cmdarg can be null.

4
dir.c
View file

@ -1731,13 +1731,13 @@ glob_helper(
name = buf + pathlen + (dirsep != 0);
if (recursive && dotfile < ((flags & FNM_DOTMATCH) ? 2 : 1)) {
/* RECURSIVE never match dot files unless FNM_DOTMATCH is set */
#ifndef _WIN32
#ifndef DT_DIR
if (do_lstat(buf, &st, flags, enc) == 0)
new_isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO;
else
new_isdir = NO;
#else
new_isdir = dp->d_isdir ? (!dp->d_isrep ? YES : UNKNOWN) : NO;
new_isdir = dp->d_type == DT_DIR ? YES : dp->d_type == DT_LNK ? UNKNOWN : NO;
#endif
}

8
win32/dir.h
View file

@ -8,6 +8,11 @@
# endif
#endif
#define DT_UNKNOWN 0
#define DT_DIR (S_IFDIR>>12)
#define DT_REG (S_IFREG>>12)
#define DT_LNK 10
struct direct
{
long d_namlen;
@ -15,8 +20,7 @@ struct direct
char *d_name;
char *d_altname; /* short name */
short d_altlen;
char d_isdir; /* directory */
char d_isrep; /* reparse point */
uint8_t d_type;
};
typedef struct {
WCHAR *start;

9
win32/win32.c
View file

@ -2139,8 +2139,13 @@ readdir_internal(DIR *dirp, BOOL (*conv)(const WCHAR *, const WCHAR *, struct di
//
// Attributes
//
dirp->dirstr.d_isdir = GetBit(dirp->bits, BitOfIsDir(dirp->loc));
dirp->dirstr.d_isrep = GetBit(dirp->bits, BitOfIsRep(dirp->loc));
/* ignore FILE_ATTRIBUTE_DIRECTORY as unreliable for reparse points */
if (GetBit(dirp->bits, BitOfIsRep(dirp->loc)))
dirp->dirstr.d_type = DT_LNK;
else if (GetBit(dirp->bits, BitOfIsDir(dirp->loc)))
dirp->dirstr.d_type = DT_DIR;
else
dirp->dirstr.d_type = DT_REG;
//
// Now set up for the next call to readdir