From 5ed16b82498057fe3b762199130ac1c7c74ae1b9 Mon Sep 17 00:00:00 2001 From: Jani Nikula Date: Fri, 15 Apr 2016 22:29:17 +0300 Subject: [PATCH] [RFC PATCH 3/5] util: add a homebrew scandir implementation --- c2/ee730f722c347a2b783d71fd5294eecab4527c | 216 ++++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 c2/ee730f722c347a2b783d71fd5294eecab4527c diff --git a/c2/ee730f722c347a2b783d71fd5294eecab4527c b/c2/ee730f722c347a2b783d71fd5294eecab4527c new file mode 100644 index 000000000..ef1060ce6 --- /dev/null +++ b/c2/ee730f722c347a2b783d71fd5294eecab4527c @@ -0,0 +1,216 @@ +Return-Path: +X-Original-To: notmuch@notmuchmail.org +Delivered-To: notmuch@notmuchmail.org +Received: from localhost (localhost [127.0.0.1]) + by arlo.cworth.org (Postfix) with ESMTP id 6F1116DE035A + for ; Fri, 15 Apr 2016 12:30:55 -0700 (PDT) +X-Virus-Scanned: Debian amavisd-new at cworth.org +X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" +X-Spam-Flag: NO +X-Spam-Score: -0.557 +X-Spam-Level: +X-Spam-Status: No, score=-0.557 tagged_above=-999 required=5 tests=[AWL=0.163, + DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, + RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01] autolearn=disabled +Received: from arlo.cworth.org ([127.0.0.1]) + by localhost (arlo.cworth.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id jsX6pIGSbfgP for ; 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without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program. If not, see http://www.gnu.org/licenses/ . ++ * ++ * Author: Jani Nikula ++ */ ++ ++#include "scandir.h" ++ ++#include ++#include ++#include ++#include ++ ++int scandirx (const char *path, char ***namelist, ++ int (*filter)(const struct dirent *dirent, void *context), ++ int (*compar)(const void *a, const void *b), ++ void *context) ++{ ++ DIR *dir; ++ struct dirent *d; ++ char **array = NULL; ++ int i, count = 0, array_size = 0; ++ char *d_name; ++ ++ dir = opendir (path); ++ if (!dir) ++ return -1; ++ ++ while ((d = readdir (dir)) != NULL) { ++ if (filter) { ++ int selected = filter (d, context); ++ if (selected < 0) ++ goto err; ++ else if (! selected) ++ continue; ++ } ++ ++ if (count == array_size) { ++ char **new_array; ++ ++ array_size = array_size ? 2 * array_size : 16; ++ ++ new_array = realloc (array, array_size * sizeof (*array)); ++ if (! new_array) ++ goto err; ++ ++ array = new_array; ++ } ++ ++ d_name = strdup (d->d_name); ++ if (! d_name) ++ goto err; ++ ++ array[count++] = d_name; ++ } ++ ++ closedir (dir); ++ ++ if (compar) ++ qsort (array, count, sizeof (*array), compar); ++ ++ *namelist = array; ++ ++ return count; ++ ++err: ++ for (i = 0; i < count; i++) { ++ free (array[i]); ++ } ++ free (array); ++ ++ return -1; ++} +diff --git a/util/scandir.h b/util/scandir.h +new file mode 100644 +index 000000000000..cc5ed95a8b1b +--- /dev/null ++++ b/util/scandir.h +@@ -0,0 +1,11 @@ ++#ifndef _SCANDIR_H ++#define _SCANDIR_H ++ ++#include ++ ++int scandirx (const char *path, char ***namelist, ++ int (*filter)(const struct dirent *dirent, void *context), ++ int (*compar)(const void *a, const void *b), ++ void *context); ++ ++#endif /* _SCANDIR_H */ +-- +2.1.4 + -- 2.26.2