More robust hexbin program

Removed the intermediate char buffer, just scanf() stdin directly.  This
handles newlines and arbitrary formatting/whitespace much better than
the previous version.

Signed-off-by: Malf Furious <m@lfurio.us>

1 files changed, 1 insertions, 5 deletions

diff --git a/hexbin.c b/hexbin.c
index d312438..9356fff 100644
--- a/hexbin.c
+++ b/hexbin.c
@@ -11,16 +11,12 @@
 int main()
 {
     uint8_t b;
-    char ip[3] = {0};
 
     while (1)
     {
-        fread(ip, 1, 2, stdin);
-
+        scanf("%hhx", &b);
         if (feof(stdin))
             break;
-
-        sscanf(ip, "%hhx", &b);
         fwrite(&b, 1, 1, stdout);
     }