Moved the scandir code into it's own files so that it can be used by other

OSes where libc does not have a native scandir() implementation.

6 files changed, 136 insertions, 91 deletions

diff --git a/configure.in b/configure.in
index 5596c4c1e8..2532ededfe 100644
--- a/configure.in
+++ b/configure.in
@@ -445,6 +445,7 @@ dnl -------------------------------------------------------------------------
 
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS(
+alphasort \
 asctime_r \
 chroot \
 ctime_r \
@@ -480,6 +481,7 @@ random \
 rand_r \
 regcomp \
 res_search \
+scandir \
 setitimer \
 setlocale \
 localeconv \
@@ -1093,7 +1095,7 @@ PHP_SUBST(install_targets)
 PHP_ADD_SOURCES(TSRM, TSRM.c tsrm_strtok_r.c tsrm_virtual_cwd.c)
 
 PHP_ADD_SOURCES(main, main.c snprintf.c spprintf.c php_sprintf.c \
-       safe_mode.c fopen_wrappers.c alloca.c \
+       safe_mode.c fopen_wrappers.c alloca.c  php_scandir.c \
        php_ini.c SAPI.c rfc1867.c php_content_types.c strlcpy.c \
        strlcat.c mergesort.c reentrancy.c php_variables.c php_ticks.c \
        streams.c network.c php_open_temporary_file.c php_logos.c \
diff --git a/main/php_ini.c b/main/php_ini.c
index ed9ac9cb98..97038fbbcd 100644
--- a/main/php_ini.c
+++ b/main/php_ini.c
@@ -31,12 +31,10 @@
 #include "SAPI.h"
 #include "php_main.h"
 
-#ifdef PHP_WIN32
-#include "readdir.h"
-/* this makes no sence, vc6 errors if this declaration is not here */
-extern int alphasort(const struct dirent **a, const struct dirent **b);
+#if !HAVE_SCANDIR || !HAVE_ALPHASORT
+ #include "php_scandir.h"
 #else
-#include "dirent.h"
+ #include <dirent.h>
 #endif
 
 #ifndef S_ISREG
diff --git a/main/php_scandir.c b/main/php_scandir.c
new file mode 100644
index 0000000000..8974a69889
--- /dev/null
+++ b/main/php_scandir.c
@@ -0,0 +1,112 @@
+/* 
+   +----------------------------------------------------------------------+
+   | PHP Version 4                                                        |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1997-2003 The PHP Group                                |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 2.02 of the PHP license,      |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available at through the world-wide-web at                           |
+   | http://www.php.net/license/2_02.txt.                                 |
+   | If you did not receive a copy of the PHP license and are unable to   |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@php.net so we can mail you a copy immediately.               |
+   +----------------------------------------------------------------------+
+   | Author: Shane Caraveo <shane@caraveo.com>                            |
+   |         Ilia Alshanetsky <ilia@prohost.org>                          |
+   +----------------------------------------------------------------------+
+ */
+
+#include "php_scandir.h"
+#include "php_config.h"
+
+#ifndef HAVE_SCANDIR
+ #include <sys/types.h>
+
+ #ifdef HAVE_DIRENT_H
+  #include <dirent.h>
+ #endif
+
+ #ifdef PHP_WIN32
+  #include "win32/readdir.h"
+ #endif  
+
+ #include <stdlib.h>
+ #include <search.h>
+#endif
+
+#ifndef HAVE_ALPHASORT
+int alphasort(const struct dirent **a, const struct dirent **b)
+{
+	return strcoll((*a)->d_name,(*b)->d_name);
+}
+#endif
+
+#ifndef HAVE_SCANDIR
+int scandir(const char *dirname, struct dirent **namelist[], int (*selector) (const struct dirent *entry), int (*compare) (const struct dirent **a, const struct dirent **b))
+{
+	DIR *dirp = NULL;
+	struct dirent **vector = NULL;
+	struct dirent *dp = NULL;
+	int vector_size = 0;
+	int nfiles = 0;
+
+	if (namelist == NULL) {
+		return -1;
+	}
+
+	if (!(dirp = opendir(dirname))) {
+		return -1;
+	}
+
+	while ((dp = readdir(dirp)) != NULL) {
+		int dsize = 0;
+		struct dirent *newdp = NULL;
+
+		if (selector && (*selector)(dp) == 0) {
+			continue;
+		}
+
+		if (nfiles == vector_size) {
+			struct dirent **newv;
+			if (vector_size == 0) {
+				vector_size = 10;
+			} else { 
+				vector_size *= 2;
+			}
+
+			newv = (struct dirent **) realloc (vector, vector_size * sizeof (struct dirent *));
+			if (!newv) {
+				return -1;
+			}
+			vector = newv;
+		}
+
+		dsize = sizeof (struct dirent) + ((strlen(dp->d_name) + 1) * sizeof(char));
+		newdp = (struct dirent *) malloc(dsize);
+
+		if (newdp == NULL) {
+			goto fail;
+		}
+
+		vector[nfiles++] = (struct dirent *) memcpy(newdp, dp, dsize);
+	}
+
+	closedir(dirp);
+
+	*namelist = vector;
+
+	if (compare) {
+		qsort (*namelist, nfiles, sizeof(struct dirent *), compare);
+	}
+
+	return nfiles;
+
+fail:
+	while (nfiles-- > 0) {
+		free(vector[nfiles]);
+	}
+	free(vector);
+	return -1;	
+}
+#endif
diff --git a/main/php_scandir.h b/main/php_scandir.h
new file mode 100644
index 0000000000..a658ad02a9
--- /dev/null
+++ b/main/php_scandir.h
@@ -0,0 +1,18 @@
+#include <sys/types.h>
+#include "php_config.h"
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+#endif
+
+#ifdef PHP_WIN32
+#include "win32/readdir.h"
+#endif
+
+#ifndef HAVE_ALPHASORT 
+int alphasort(const struct dirent **a, const struct dirent **b);
+#endif
+
+#ifndef HAVE_SCANDIR
+int scandir(const char *dirname, struct dirent **namelist[], int (*selector) (const struct dirent *entry), int (*compare) (const struct dirent **a, const struct dirent **b));
+#endif
diff --git a/win32/readdir.c b/win32/readdir.c
index 78db689b29..e33d19bde5 100644
--- a/win32/readdir.c
+++ b/win32/readdir.c
@@ -141,83 +141,3 @@ int rewinddir(DIR *dp)
 
 return 0;
 }
-
-int alphasort(const struct dirent **a, const struct dirent **b)
-{
-	return strcoll((*a)->d_name,(*b)->d_name);
-}
-
-int scandir(const char *dirname,
-			struct dirent **namelist[],
-			int (*selector) (const struct dirent *entry),
-			int (*compare) (const struct dirent **a, const struct dirent **b))
-{
-	DIR *dirp = NULL;
-	struct dirent **vector = NULL;
-	struct dirent *dp = NULL;
-	int vector_size = 0;
-
-	int nfiles = 0;
-	int fail = 0;
-
-	if (namelist == NULL)
-		return -1;
-
-	dirp = opendir(dirname);
-	if (dirp == NULL)
-		return -1;
-
-	for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp))
-	{
-		int dsize = 0;
-		struct dirent *newdp = NULL;
-
-		if (selector && (*selector)(dp) == 0)
-			continue;
-
-		if (nfiles == vector_size)
-		{
-			struct dirent **newv;
-			if (vector_size == 0)
-				vector_size = 10;
-			else
-				vector_size *= 2;
-
-			newv = (struct dirent **) realloc (vector, vector_size * sizeof (struct dirent *));
-			if (newv == NULL)
-			{
-				fail = 1;
-				break;
-			}
-			vector = newv;
-		}
-
-		dsize = sizeof (struct dirent) + ((strlen(dp->d_name) + 1) * sizeof(char));
-		newdp = (struct dirent *) malloc(dsize);
-
-		if (newdp == NULL)
-		{
-			fail = 1;
-			break;
-		}
-
-		vector[nfiles++] = (struct dirent *) memcpy(newdp, dp, dsize);
-	}
-
-	closedir(dirp);
-
-	if (fail)
-	{
-		while (nfiles-- > 0) free(vector[nfiles]);
-		free(vector);
-		return -1;
-	}
-
-
-	*namelist = vector;
-
-	if (compare)
-		qsort (*namelist,nfiles,sizeof (struct dirent *),compare);
-
-	return nfiles;
-}
diff --git a/win32/readdir.h b/win32/readdir.h
index b63015355a..419dc95c24 100644
--- a/win32/readdir.h
+++ b/win32/readdir.h
@@ -39,10 +39,5 @@ struct dirent *readdir(DIR *);
 int readdir_r(DIR *, struct dirent *, struct dirent **);
 int closedir(DIR *);
 int rewinddir(DIR *);
-int scandir(const char *dirname,
-			struct dirent **namelist[],
-			int (*selector) (const struct dirent *entry),
-			int (*compare) (const struct dirent **a, const struct dirent **b));
-int alphasort(const struct dirent **a, const struct dirent **b);
 
 #endif /* READDIR_H */