Document the knuth_morris_pratt calling convention better.

[gnulib.git] / lib / glob.c

diff --git a/lib/glob.c b/lib/glob.c
index 1d31d77..0229dbd 100644 (file)
--- a/lib/glob.c
+++ b/lib/glob.c
@@ -147,7 +147,6 @@
 
 #ifndef _LIBC
 # include "dirfd.h"
-# include "openat.h"
 #endif
 
 #ifdef _SC_GETPW_R_SIZE_MAX
@@ -1218,13 +1217,17 @@ weak_alias (__glob_pattern_p, glob_pattern_p)
 #endif /* !GLOB_ONLY_P */
 
 
+#if !defined _LIBC || !defined GLOB_ONLY_P
 /* We put this in a separate function mainly to allow the memory
    allocated with alloca to be recycled.  */
-#if !defined _LIBC || !defined GLOB_ONLY_P
 static int
 __attribute_noinline__
 link_exists2_p (const char *dir, size_t dirlen, const char *fname,
-               glob_t *pglob)
+               glob_t *pglob
+# if !defined _LIBC && !HAVE_FSTATAT
+               , int flags
+# endif
+               )
 {
   size_t fnamelen = strlen (fname);
   char *fullname = __alloca (dirlen + 1 + fnamelen + 1);
@@ -1233,6 +1236,13 @@ link_exists2_p (const char *dir, size_t dirlen, const char *fname,
   mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
           fname, fnamelen + 1);
 
+# if !defined _LIBC && !HAVE_FSTATAT
+  if (__builtin_expect ((flags & GLOB_ALTDIRFUNC) == 0, 1))
+    {
+      struct_stat64 st64;
+      return __stat64 (fullname, &st64) == 0;
+    }
+# endif
   return (*pglob->gl_stat) (fullname, &st) == 0;
 }
 
@@ -1241,6 +1251,7 @@ static int
 link_exists_p (int dfd, const char *dir, size_t dirlen, const char *fname,
               glob_t *pglob, int flags)
 {
+# if defined _LIBC || HAVE_FSTATAT
   if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
     return link_exists2_p (dir, dirlen, fname, pglob);
   else
@@ -1248,6 +1259,9 @@ link_exists_p (int dfd, const char *dir, size_t dirlen, const char *fname,
       struct_stat64 st64;
       return __fxstatat64 (_STAT_VER, dfd, fname, &st64, 0) == 0;
     }
+# else
+  return link_exists2_p (dir, dirlen, fname, pglob, flags);
+# endif
 }
 #endif
 
@@ -1443,7 +1457,8 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
          while (1)
            {
              struct globnames *old = names;
-             for (size_t i = 0; i < cur; ++i)
+             size_t i;
+             for (i = 0; i < cur; ++i)
                free (names->name[i]);
              names = names->next;
              /* NB: we will not leak memory here if we exit without
@@ -1468,7 +1483,8 @@ glob_in_dir (const char *pattern, const char *directory, int flags,
          while (1)
            {
              struct globnames *old = names;
-             for (size_t i = 0; i < cur; ++i)
+             size_t i;
+             for (i = 0; i < cur; ++i)
                new_gl_pathv[pglob->gl_offs + pglob->gl_pathc++]
                  = names->name[i];
              names = names->next;