k9core

commit d266c91f54877b6b278fcc3b7208671828276078
parent 1edc320acd39afa98396b9940741ca2de4940061
Author: qorg11 <qorg@vxempire.xyz>
Date:   Tue, 29 Dec 2020 00:23:48 +0100

* Add recursive directory listing to ls.c
* Now you can actually give it a directory
  This is very ugly code, and it has to be fixed.

Diffstat:
M
src/ls.c
 | 
58
++++++++++++++++++++++++++++++++++++++++++++++++++--------

1 file changed, 50 insertions(+), 8 deletions(-)
diff --git a/src/ls.c b/src/ls.c
@@ -1,15 +1,41 @@
 #include <stdio.h>
 #include <dirent.h>
 #include <getopt.h>
+#include <string.h>
+
+int
+recursive_list_dirs(const char *directory)
+{
+	
+	DIR *dir;
+	struct dirent *ent;
+	if (!(dir = opendir(directory)))
+		return -1;
+
+	while((ent = readdir(dir)) != NULL) {
+		if(ent->d_type == DT_DIR) {
+			char path[1024];
+			if (strcmp(ent->d_name, ".") == 0||strcmp(ent->d_name, "..") == 0)
+				continue;
+			snprintf(path, sizeof(path), "%s/%s", directory, ent->d_name);
+			printf("%s/%s\n",path,ent->d_name);
+			recursive_list_dirs(path);
+		}
+		else printf("%s\n",ent->d_name);
+	}
+	closedir(dir);
+	
+	return 0;
+}
 
 int
 main(int argc, char *argv[])
 {
      int c;
-     int all, show_slash, show_line;
-     all = show_slash = show_line = 0;
+     int all, show_slash, show_line, recursive;
+     all = show_slash = show_line = recursive = 0;
 
-     while ((c = getopt(argc,argv,"lap")) != -1)
+     while ((c = getopt(argc,argv,"lapR")) != -1)
      {
           switch(c)
           {
@@ -22,12 +48,28 @@ main(int argc, char *argv[])
 		case 'l':
 			show_line = 1;
 			break;
+		case 'R':
+			recursive = 1;
+			break;
           }
 
      }
-     DIR *dir = opendir(".");
+	if(recursive)
+	{
+		recursive_list_dirs(argv[1]);
+	}
+	char directory[256];
+	if(!argv[optind])
+		strcpy(directory,".");
+	else strcpy(directory,argv[optind]); /* Very dirty code, i'll fix it
+							   * later */
+     DIR *dir = opendir(directory);
      struct dirent *ent;
-
+	if(recursive)
+	{
+		recursive_list_dirs(directory);
+		return 0;
+	}
      if(dir != NULL)
      {
           while((ent = readdir(dir)) != NULL)
@@ -35,9 +77,9 @@ main(int argc, char *argv[])
                if(ent->d_name[0] == '.' && !all)
                     continue;
 			if(!show_line) {
-               if(ent->d_type == DT_DIR && show_slash)
-                    printf("%s/ ",ent->d_name);
-			else printf("%s ",ent->d_name);
+				if(ent->d_type == DT_DIR && show_slash)
+					printf("%s/ ",ent->d_name);
+				else printf("%s ",ent->d_name);
 			}
 			else printf("%s\n",ent->d_name);
           }