k9core

commit c904af6c61abe43298c9cbc71af38d0b904c1135
parent 268a888d8815286a3622f25c52fa775a57594d72
Author: qorg11 <qorg@vxempire.xyz>
Date:   Wed, 17 Jun 2020 01:00:57 +0200

Someone make this read binary shit

Diffstat:
M
src/cat.c
 | 
29
++++++++++++++++-------------

1 file changed, 16 insertions(+), 13 deletions(-)
diff --git a/src/cat.c b/src/cat.c
@@ -1,30 +1,33 @@
 #include <stdio.h>
-
+#include <fcntl.h>
+#include <unistd.h>
 
 int
-cat(FILE *file)
+cat(int fd,const char *filename)
 {
-
+  
   char c;
-  if (file == NULL)
+  char buf[8192];
+  if(fd != 0)
+    fd = open(filename, O_RDONLY);
+  if ( fd == -1)
     {
       fprintf(stderr,"Error opening file\n");
       return 1;
     }
-  while((c = fgetc(file)) > 0)
-    putchar(c);
+  while((c = read(fd,buf,sizeof(buf)) > 0))
+    printf("%s",buf);
   return 0;
 }
 int
 main(int argc, char *argv[])
 {
   if(argc == 1)
-    cat(stdin);
-  else {
-    for(int i = 1; i<argc;i++)
-	 {
-	   cat(fopen(argv[i],"r"));
-	 }
-  }
+    cat(0,NULL);
+  else for(int i = 1; i<argc;i++)
+         {
+           cat(1,argv[i]);
+         }
+
   return 0;
 }