From d37c9b627243aa3130c228ba79d04e59cb1bf40d Mon Sep 17 00:00:00 2001
From: Bjoern Esswein <bjoern.esswein@gmail.com>
Date: Sun, 16 Feb 2020 18:31:08 +0100
Subject: [PATCH] added filter to scandir
---
listFiles.c | 24 +++++++++++++++++++++---
1 file changed, 21 insertions(+), 3 deletions(-)
diff --git a/listFiles.c b/listFiles.c
index a75c7f4..8d3684d 100644
--- a/listFiles.c
+++ b/listFiles.c
@@ -2,18 +2,36 @@
#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
+#include <sys/stat.h>
+#include <string.h>
+
+#define BASEDIR "."
+
+int filter(const struct dirent *dir) {
+ if(dir->d_name[0] == '.') {
+ return 0;//filter out .files
+ }
+ struct stat st;
+ char name[strlen(BASEDIR) + strlen(dir->d_name)];
+ sprintf(name, "%s/%s", BASEDIR, dir->d_name);
+ if(stat(name, &st) == -1) die("stat");//lstat don't folow symlinks
+ if(S_ISREG(st.st_mode)) {
+ return 1;
+ }
+ return 0;
+}
+
/** list files
*/
static void listDir(){
- const char *dirp = ".";
struct dirent **namelist; //array of dirents
- int n = scandir(dirp, &namelist, NULL, alphasort);
+ int n = scandir(BASEDIR, &namelist, filter, alphasort);//filter oder NULL
if (n == -1) {
die("scandir");
}
while (n--) {
- printf("%s\n", namelist[n]->d_name);
+ printf("%s/%s\n", BASEDIR, namelist[n]->d_name);
free(namelist[n]);
}
free(namelist);
--
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