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|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.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.h"
#include "php_scandir.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifndef HAVE_SCANDIR
#ifdef PHP_WIN32
#include "win32/param.h"
#include "win32/readdir.h"
#endif
#include <stdlib.h>
#include <search.h>
#endif /* HAVE_SCANDIR */
#ifndef HAVE_ALPHASORT
#include <string.h>
PHPAPI int php_alphasort(const struct dirent **a, const struct dirent **b)
{
return strcoll((*a)->d_name,(*b)->d_name);
}
#endif /* HAVE_ALPHASORT */
#ifndef HAVE_SCANDIR
PHPAPI int php_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;
int vector_size = 0;
int nfiles = 0;
struct dirent *dp;
if (namelist == NULL) {
return -1;
}
if (!(dirp = opendir(dirname))) {
return -1;
}
while ((dp = readdir(dirp))) {
size_t 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 *), (int (*) (const void *, const void *)) compare);
}
return nfiles;
fail:
while (nfiles-- > 0) {
free(vector[nfiles]);
}
free(vector);
return -1;
}
#endif
|
