From 5753553213df8f9de851adb68377db43faecb91f Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Tue, 11 Jun 2019 09:57:14 -0400
Subject: separate source into kernel/ user/ mkfs/

---
 printf.c | 95 ----------------------------------------------------------------
 1 file changed, 95 deletions(-)
 delete mode 100644 printf.c

(limited to 'printf.c')

diff --git a/printf.c b/printf.c
deleted file mode 100644
index c820305..0000000
--- a/printf.c
+++ /dev/null
@@ -1,95 +0,0 @@
-#include "types.h"
-#include "stat.h"
-#include "user.h"
-
-#include <stdarg.h>
-
-static char digits[] = "0123456789ABCDEF";
-
-static void
-putc(int fd, char c)
-{
-  write(fd, &c, 1);
-}
-
-static void
-printint(int fd, int xx, int base, int sgn)
-{
-  char buf[16];
-  int i, neg;
-  uint x;
-
-  neg = 0;
-  if(sgn && xx < 0){
-    neg = 1;
-    x = -xx;
-  } else {
-    x = xx;
-  }
-
-  i = 0;
-  do{
-    buf[i++] = digits[x % base];
-  }while((x /= base) != 0);
-  if(neg)
-    buf[i++] = '-';
-
-  while(--i >= 0)
-    putc(fd, buf[i]);
-}
-
-static void
-printptr(int fd, uint64 x) {
-  int i;
-  putc(fd, '0');
-  putc(fd, 'x');
-  for (i = 0; i < (sizeof(uint64) * 2); i++, x <<= 4)
-    putc(fd, digits[x >> (sizeof(uint64) * 8 - 4)]);
-}
-
-// Print to the given fd. Only understands %d, %x, %p, %s.
-void
-printf(int fd, const char *fmt, ...)
-{
-  va_list ap;
-  char *s;
-  int c, i, state;
-
-  va_start(ap, fmt);
-  state = 0;
-  for(i = 0; fmt[i]; i++){
-    c = fmt[i] & 0xff;
-    if(state == 0){
-      if(c == '%'){
-        state = '%';
-      } else {
-        putc(fd, c);
-      }
-    } else if(state == '%'){
-      if(c == 'd'){
-        printint(fd, va_arg(ap, int), 10, 1);
-      } else if(c == 'x') {
-        printint(fd, va_arg(ap, int), 16, 0);
-      } else if(c == 'p') {
-        printptr(fd, va_arg(ap, uint64));
-      } else if(c == 's'){
-        s = va_arg(ap, char*);
-        if(s == 0)
-          s = "(null)";
-        while(*s != 0){
-          putc(fd, *s);
-          s++;
-        }
-      } else if(c == 'c'){
-        putc(fd, va_arg(ap, uint));
-      } else if(c == '%'){
-        putc(fd, c);
-      } else {
-        // Unknown % sequence.  Print it to draw attention.
-        putc(fd, '%');
-        putc(fd, c);
-      }
-      state = 0;
-    }
-  }
-}
-- 
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