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Diffstat (limited to 'posix')
-rw-r--r--posix/glob.c63
1 files changed, 62 insertions, 1 deletions
diff --git a/posix/glob.c b/posix/glob.c
index f0cb6d377b..6a601ee15e 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -16,7 +16,7 @@
Boston, MA 02111-1307, USA. */
/* AIX requires this to be the first thing in the file. */
-#if defined (_AIX) && !defined (__GNUC__)
+#if defined _AIX && !defined __GNUC__
#pragma alloca
#endif
@@ -169,6 +169,11 @@ extern void bcopy ();
# define strcoll strcmp
#endif
+#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1
+# define HAVE_MEMPCPY 1
+# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len)
+#endif
+
#ifndef __GNU_LIBRARY__
# ifdef __GNUC__
@@ -417,8 +422,12 @@ glob (pattern, flags, errfunc, pglob)
int result;
/* Construct the new glob expression. */
+#ifdef HAVE_MEMPCPY
+ mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len);
+#else
memcpy (alt_start, p, next - p);
memcpy (&alt_start[next - p], rest, rest_len);
+#endif
result = glob (onealt,
((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC))
@@ -479,8 +488,12 @@ glob (pattern, flags, errfunc, pglob)
{
dirlen = filename - pattern;
dirname = (char *) __alloca (dirlen + 1);
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (dirname, pattern, dirlen)) = '\0';
+#else
memcpy (dirname, pattern, dirlen);
dirname[dirlen] = '\0';
+#endif
++filename;
}
@@ -568,8 +581,13 @@ glob (pattern, flags, errfunc, pglob)
char *newp;
size_t home_len = strlen (home_dir);
newp = (char *) __alloca (home_len + dirlen);
+# ifdef HAVE_MEMPCPY
+ mempcpy (mempcpy (newp, home_dir, home_len),
+ &dirname[1], dirlen);
+# else
memcpy (newp, home_dir, home_len);
memcpy (&newp[home_len], &dirname[1], dirlen);
+# endif
dirname = newp;
}
}
@@ -585,8 +603,13 @@ glob (pattern, flags, errfunc, pglob)
else
{
user_name = (char *) __alloca (end_name - dirname);
+# ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (user_name, dirname + 1, end_name - dirname))
+ = '\0';
+# else
memcpy (user_name, dirname + 1, end_name - dirname);
user_name[end_name - dirname - 1] = '\0';
+# endif
}
/* Look up specific user's home directory. */
@@ -614,9 +637,14 @@ glob (pattern, flags, errfunc, pglob)
size_t home_len = strlen (home_dir);
size_t rest_len = end_name == NULL ? 0 : strlen (end_name);
newp = (char *) __alloca (home_len + rest_len + 1);
+# ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (mempcpy (newp, home_dir, home_len),
+ end_name, rest_len)) = '\0';
+# else
memcpy (newp, home_dir, home_len);
memcpy (&newp[home_len], end_name, rest_len);
newp[home_len + rest_len] = '\0';
+# endif
dirname = newp;
}
}
@@ -838,9 +866,17 @@ prefix_array (dirname, array, n)
return 1;
}
+#ifdef HAVE_MEMPCPY
+ {
+ char *endp = (char *) mempcpy (new, dirname, dirlen);
+ *endp++ = '/';
+ mempcpy (endp, array[i], eltlen);
+ }
+#else
memcpy (new, dirname, dirlen);
new[dirlen] = '/';
memcpy (&new[dirlen + 1], array[i], eltlen);
+#endif
free ((__ptr_t) array[i]);
array[i] = new;
}
@@ -922,6 +958,18 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
(flags & GLOB_ERR))
return GLOB_ABORTED;
}
+ else if (pattern[0] == '\0')
+ {
+ /* This is a special case for matching directories like in
+ "*a/". */
+ names = (struct globlink *) __alloca (sizeof (struct globlink));
+ names->name = (char *) malloc (1);
+ if (names->name == NULL)
+ goto memory_error;
+ names->name[0] = '\0';
+ names->next = NULL;
+ nfound = 1;
+ }
else
while (1)
{
@@ -941,8 +989,13 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
names->name = (char *) malloc (len + 1);
if (names->name == NULL)
goto memory_error;
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy ((__ptr_t) names->name, pattern, len))
+ = '\0';
+#else
memcpy ((__ptr_t) names->name, pattern, len);
names->name[len] = '\0';
+#endif
names->next = NULL;
nfound = 1;
break;
@@ -992,8 +1045,12 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
= (char *) malloc (len + 1);
if (new->name == NULL)
goto memory_error;
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy ((__ptr_t) new->name, name, len)) = '\0';
+#else
memcpy ((__ptr_t) new->name, name, len);
new->name[len] = '\0';
+#endif
new->next = names;
names = new;
++nfound;
@@ -1014,8 +1071,12 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
names->name = (char *) malloc (len + 1);
if (names->name == NULL)
goto memory_error;
+#ifdef HAVE_MEMPCPY
+ *((char *) mempcpy (names->name, pattern, len)) = '\0';
+#else
memcpy (names->name, pattern, len);
names->name[len] = '\0';
+#endif
}
if (nfound != 0)