some minor --stack-auto improvements

[fw/sdcc] / device / lib / vprintf.c

diff --git a/device/lib/vprintf.c b/device/lib/vprintf.c
index a0b2d4c14e7b34ce1d6a6fcce67f90b89f1039bd..28b81d6c7ff7c9908da59356cbdd74d57714be55 100644 (file)
--- a/device/lib/vprintf.c
+++ b/device/lib/vprintf.c
@@ -22,6 +22,12 @@
    You are forbidden to forbid anyone else to use, share and improve
    what you give them.   Help stamp out software-hoarding!  
 -------------------------------------------------------------------------*/
+
+/* this module uses some global variables instead function parameters, so: */
+#ifdef SDCC_STACK_AUTO
+#warning "this module cannot yet be use as a reentrant one"
+#endif
+
 #ifdef __ds390
 #define USE_FLOATS 1
 #endif
@@ -72,7 +78,7 @@ static bit   lsd;
 /* this one NEEDS to be in data */
 static data value_t value;
 
-static unsigned short radix;
+static unsigned char radix;
 
 // jwk: TODO: this makes the whole dammed thing nonreentrent
 static int charsOutputted;
@@ -252,14 +258,14 @@ static void output_float (float f, unsigned char reqWidth,
 
 int vsprintf (const char *buf, const char *format, va_list ap)
 {
-  bit            left_justify;
-  bit            zero_padding;
-  bit            prefix_sign;
-  bit            prefix_space;
-  bit            signed_argument;
-  bit            char_argument;
-  bit            long_argument;
-  bit            float_argument;
+  static bit            left_justify;
+  static bit            zero_padding;
+  static bit            prefix_sign;
+  static bit            prefix_space;
+  static bit            signed_argument;
+  static bit            char_argument;
+  static bit            long_argument;
+  static bit            float_argument;
 
   unsigned char  width;
   signed char decimals;