Revert "lib/libc: Update formatting for printf"

This reverts commit fe29d82177f010e149cec97f22cf83b3129aebf5.

Reason for revert: because of non-compliant stdlib not having abs?

Change-Id: I4499b738e4a3a4618f71220bf3869746ac1da093

1 files changed, 4 insertions, 18 deletions

diff --git a/lib/libc/printf.c b/lib/libc/printf.c
index a8b18ea5..9723196e 100644
--- a/lib/libc/printf.c
+++ b/lib/libc/printf.c
@@ -26,7 +26,6 @@
 #include <stdarg.h>
 #include <sys/types.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 
 #ifdef UTEST_BUILD
@@ -115,13 +114,10 @@ int vsnprintf(char *str, size_t len, const char *fmt, va_list ap)
     args.pos = 0;
 
     wlen = _printf_unfiltered_engine(&_vsnprintf_output, (void *)&args, fmt, ap);
-    if(len > 0) {
-        if (args.pos >= len)
-            str[len-1] = '\0';
-        else
-            str[wlen] = '\0';
-    }
-
+    if (args.pos >= len)
+        str[len-1] = '\0';
+    else
+        str[wlen] = '\0';
     return wlen;
 }
 
@@ -568,16 +564,6 @@ next_format:
                 uc = va_arg(ap, unsigned int);
                 OUTPUT_CHAR(uc);
                 break;
-            case '*':
-            {
-                /* indirect format */
-                int f = va_arg(ap, int);
-                format_num = (unsigned int) abs(f);
-                if(f < 0) {
-                    flags |= LEFTFORMATFLAG;
-                }
-                goto next_format;
-            }
             case 's':
                 s = va_arg(ap, const char *);
                 if (s == 0)