k9core

commit 2996e211792b182410581bbcb0987d84f2063f90
parent 1d8f3bf01f5d159d605ac7b1378ff6a631f459d7
Author: qorg11 <qorg@vxempire.xyz>
Date:   Mon, 20 Jul 2020 22:51:35 +0200

cp now supports binary data and touch.c uses the saner
creat() instead of open() because using open() there was
simply stupid

Diffstat:
M
src/cp.c
 | 
28
+++++++++++-----------------
M
src/touch.c
 | 
3
+--

2 files changed, 12 insertions(+), 19 deletions(-)
diff --git a/src/cp.c b/src/cp.c
@@ -1,33 +1,27 @@
 #include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
 
 int
 copy(const char *src, const char *dst)
 {
-  FILE *source = fopen(src,"r");
-  FILE *destination = fopen(dst,"w");
-  if(destination == NULL)
+  int source = open(src,O_RDONLY);
+  int destination = creat(dst,0644);
+
+  if(destination == -1)
     {
       printf("Error opening destination file\n");
       return 1;
     }
-  if(source == NULL)
+  if(source == -1)
     {
       printf("Error opening source file\n");
       return 1;
     }
-
-  char c;
-
-  while((c = fgetc(source)) > 0)
-    {
-      int value = fputc(c,destination);
-      if(value == -1)
-        {
-          printf("Error\n");
-          return 1;
-        }
-    }
-
+  int lines;
+  char buf[8912];
+  while((lines = read(source,buf,sizeof(buf))) > 0)
+    write(destination,buf,lines);
   return 0;
 }
 
diff --git a/src/touch.c b/src/touch.c
@@ -12,14 +12,13 @@ main(int argc, char *argv[])
       return 1;
     }
 
-  int fd = open(argv[1],O_RDWR|O_CREAT);
+  int fd = creat(argv[1],0644);
 
   if(fd == -1)
     {
       fprintf(stderr,"Error creating file\n");
       return 1;
     }
-  chmod(argv[1],420); /* 644 in decimal */
   close(fd);
   return 0;
 }