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Annotation of embedaddon/php/main/php_scandir.c, revision 1.1

1.1     ! misho       1: /* 
        !             2:    +----------------------------------------------------------------------+
        !             3:    | PHP Version 5                                                        |
        !             4:    +----------------------------------------------------------------------+
        !             5:    | Copyright (c) 1997-2012 The PHP Group                                |
        !             6:    +----------------------------------------------------------------------+
        !             7:    | This source file is subject to version 3.01 of the PHP license,      |
        !             8:    | that is bundled with this package in the file LICENSE, and is        |
        !             9:    | available through the world-wide-web at the following url:           |
        !            10:    | http://www.php.net/license/3_01.txt                                  |
        !            11:    | If you did not receive a copy of the PHP license and are unable to   |
        !            12:    | obtain it through the world-wide-web, please send a note to          |
        !            13:    | license@php.net so we can mail you a copy immediately.               |
        !            14:    +----------------------------------------------------------------------+
        !            15:    | Author: Shane Caraveo <shane@caraveo.com>                            |
        !            16:    |         Ilia Alshanetsky <ilia@prohost.org>                          |
        !            17:    +----------------------------------------------------------------------+
        !            18:  */
        !            19: 
        !            20: /* $Id: php_scandir.c 321634 2012-01-01 13:15:04Z felipe $ */
        !            21: 
        !            22: #include "php.h"
        !            23: #include "php_scandir.h"
        !            24: 
        !            25: #ifdef HAVE_SYS_TYPES_H
        !            26: #include <sys/types.h>
        !            27: #endif
        !            28: 
        !            29: #ifdef HAVE_DIRENT_H
        !            30: #include <dirent.h>
        !            31: #endif
        !            32: 
        !            33: #ifndef HAVE_SCANDIR
        !            34: 
        !            35: #ifdef PHP_WIN32
        !            36: #include "win32/param.h"
        !            37: #include "win32/readdir.h"
        !            38: #endif  
        !            39: 
        !            40: #include <stdlib.h>
        !            41: #ifndef NETWARE
        !            42: #include <search.h>
        !            43: #endif
        !            44: 
        !            45: #endif /* HAVE_SCANDIR */
        !            46: 
        !            47: #ifndef HAVE_ALPHASORT
        !            48: 
        !            49: #ifdef HAVE_STRING_H
        !            50: #include <string.h>
        !            51: #endif
        !            52: 
        !            53: PHPAPI int php_alphasort(const struct dirent **a, const struct dirent **b)
        !            54: {
        !            55:        return strcoll((*a)->d_name,(*b)->d_name);
        !            56: }
        !            57: #endif /* HAVE_ALPHASORT */
        !            58: 
        !            59: #ifndef HAVE_SCANDIR
        !            60: 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))
        !            61: {
        !            62:        DIR *dirp = NULL;
        !            63:        struct dirent **vector = NULL;
        !            64:        int vector_size = 0;
        !            65:        int nfiles = 0;
        !            66:        char entry[sizeof(struct dirent)+MAXPATHLEN];
        !            67:        struct dirent *dp = (struct dirent *)&entry;
        !            68: 
        !            69:        if (namelist == NULL) {
        !            70:                return -1;
        !            71:        }
        !            72: 
        !            73:        if (!(dirp = opendir(dirname))) {
        !            74:                return -1;
        !            75:        }
        !            76: 
        !            77:        while (!php_readdir_r(dirp, (struct dirent *)entry, &dp) && dp) {
        !            78:                int dsize = 0;
        !            79:                struct dirent *newdp = NULL;
        !            80: 
        !            81:                if (selector && (*selector)(dp) == 0) {
        !            82:                        continue;
        !            83:                }
        !            84: 
        !            85:                if (nfiles == vector_size) {
        !            86:                        struct dirent **newv;
        !            87:                        if (vector_size == 0) {
        !            88:                                vector_size = 10;
        !            89:                        } else { 
        !            90:                                vector_size *= 2;
        !            91:                        }
        !            92: 
        !            93:                        newv = (struct dirent **) realloc (vector, vector_size * sizeof (struct dirent *));
        !            94:                        if (!newv) {
        !            95:                                return -1;
        !            96:                        }
        !            97:                        vector = newv;
        !            98:                }
        !            99: 
        !           100:                dsize = sizeof (struct dirent) + ((strlen(dp->d_name) + 1) * sizeof(char));
        !           101:                newdp = (struct dirent *) malloc(dsize);
        !           102: 
        !           103:                if (newdp == NULL) {
        !           104:                        goto fail;
        !           105:                }
        !           106: 
        !           107:                vector[nfiles++] = (struct dirent *) memcpy(newdp, dp, dsize);
        !           108:        }
        !           109: 
        !           110:        closedir(dirp);
        !           111: 
        !           112:        *namelist = vector;
        !           113: 
        !           114:        if (compare) {
        !           115:                qsort (*namelist, nfiles, sizeof(struct dirent *), compare);
        !           116:        }
        !           117: 
        !           118:        return nfiles;
        !           119: 
        !           120: fail:
        !           121:        while (nfiles-- > 0) {
        !           122:                free(vector[nfiles]);
        !           123:        }
        !           124:        free(vector);
        !           125:        return -1;      
        !           126: }
        !           127: #endif
        !           128: 
        !           129: /*
        !           130:  * Local variables:
        !           131:  * tab-width: 4
        !           132:  * c-basic-offset: 4
        !           133:  * End:
        !           134:  * vim600: sw=4 ts=4 fdm=marker
        !           135:  * vim<600: sw=4 ts=4
        !           136:  */