From: John Hodge <tpg@mutabah.net>
Date: Fri, 15 Feb 2013 13:18:41 +0000 (+0800)
Subject: Usermode/libc - printf fixes
X-Git-Tag: rel0.15~569
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=e58bc0ca9ef38b12cfce2a949875267d8a0803dd;p=tpg%2Facess2.git

Usermode/libc - printf fixes
---

diff --git a/Usermode/Libraries/libc.so_src/TEST_printf.c b/Usermode/Libraries/libc.so_src/TEST_printf.c
index fe251d9d..43766944 100644
--- a/Usermode/Libraries/libc.so_src/TEST_printf.c
+++ b/Usermode/Libraries/libc.so_src/TEST_printf.c
@@ -24,6 +24,7 @@ int main(int argc, char *argv[])
 	
 	TST("Float", "%f", 3.1414926535);
 	TST("Float", "%f", 10.0);
+	TST("Float", "%f", -0.0);
 	TST("Float", "%.10f", 3.1414926535);
 	TST("Float", "%e", 3.1415926535);
 	TST("Float", "%g", 3.1415926535);
diff --git a/Usermode/Libraries/libc.so_src/printf.c b/Usermode/Libraries/libc.so_src/printf.c
index bd67e00f..9f39cc64 100644
--- a/Usermode/Libraries/libc.so_src/printf.c
+++ b/Usermode/Libraries/libc.so_src/printf.c
@@ -686,7 +686,7 @@ size_t _printf_ftoa(printf_putch_t putch_cb, void *putch_h, long double num, siz
 		}
 		den = 1;
 	}
-	else
+	else if( num != 0.0 )
 	{
 		while( den <= num )
 			den *= Base;
@@ -701,7 +701,7 @@ size_t _printf_ftoa(printf_putch_t putch_cb, void *putch_h, long double num, siz
 	else {
 	}
 	
-	num += precision_max/10 * 5;
+	num += precision_max/10 * 4.999;
 
 	 int	value;
 	// Whole section