From 36dc7e18b66bb374d4c67a7f526c088636eaf9a2 Mon Sep 17 00:00:00 2001
From: "@syxhe" <https://t.me/syxhe>
Date: Thu, 2 Jan 2025 23:59:40 -0600
Subject: Filter out . and .. folders from scan results

---
 src/main.c | 45 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 42 insertions(+), 3 deletions(-)

(limited to 'src/main.c')

diff --git a/src/main.c b/src/main.c
index bf110c2..4ecf545 100644
--- a/src/main.c
+++ b/src/main.c
@@ -4,15 +4,41 @@
 #include <error.h>
 #include <stdio.h>
 
-#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 #include <dirent.h>
+#include <fcntl.h>
+
+#include <regex.h>
+
+#include <string.h>
+
+regex_t* initfilterregex() {
+    static regex_t *reg = NULL;
+
+    if(reg != NULL)
+        return reg;
+    
+    reg = xcalloc(1, sizeof(*reg));
+    if(regcomp(reg, "^(.{1,2})$", REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0)
+        return NULL;
+
+    return reg;
+}
 
 int testfilter(const struct dirent *node) {
+    regex_t *reg = initfilterregex();
+
+    if(regexec(reg, node->d_name, 0, NULL, 0) != (REG_NOMATCH | REG_NOERROR) && S_ISDIR(DTTOIF(node->d_type)))
+        return 0;
+
     return 1;
 }
 
 int main() {
-    // Alright, going to start simple. First: scanning for files. I want to do this quickly and in one motion. No reason to do things in O(n2) time if I can do it in O(n)
+    // Alright, going to start simple. First: scanning for files. I want to do this quickly and in one motion
+    // No reason to do things in O(n2) time if I can do it in O(n)
 
     int nnodes = -1;
     struct dirent **nodes = NULL;
@@ -20,9 +46,22 @@ int main() {
         error(1, errno, "scandir broke");
 
     for(int i = 0; i < nnodes; i++) {
-        printf("%s\n", nodes[i]->d_name);
+        printf("\"%s\"", nodes[i]->d_name);
+        #if defined _DIRENT_HAVE_D_TYPE
+            int mode = DTTOIF(nodes[i]->d_type);
+            printf(", Type: %s%s%s", 
+                S_ISREG(mode) ? "Regular file" : "",\
+                S_ISDIR(mode) ? "Directory" : "",\
+                (!S_ISREG(mode) && !S_ISDIR(mode)) ? "Unknown" : "");
+        
+        #endif
 
+        printf("\n");
     }
 
+    // Ok so scandir is annoying and doesn't create a linked list, but rather an array of dirent objects. This means that if I want
+    // to iterate over the list myself and it'll be a pain in the ass to do so. That, or I can implement a linked list, which would
+    // also be a pain in the ass. I'm starting to remember why I finished vxgg the way I did 
+
     return 0;
 }
\ No newline at end of file
-- 
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