source: buchla-68k/iolib/printf.c@ f806726

Last change on this file since f806726 was 8973acd, checked in by Thomas Lopatic <thomas@…>, 7 years ago

No more warnings in libcio.

  • Property mode set to 100644
File size: 1.3 KB
RevLine 
[f40a309]1/*
2 =============================================================================
3 printf.c -- printf function
4 Version 6 -- 1987-08-13 -- D.N. Lynx Crowe
5
6 RECOVERED From: Version 5 -- 1987-06-16 -- D.N. Lynx Crowe
7
8 "Crufty code" Warning:
9 Since this isn't Unix(tm), we prepend a '\r' when we see a '\n'.
10 We also return a long, since this is a 32 bit address machine.
11 (Well, almost 32 bits. Too big for an Alcyon 16 bit int anyway.)
12 =============================================================================
13*/
14
[b28a12e]15#include "ram.h"
[f40a309]16
[b28a12e]17static int16_t fpsub(int16_t c);
[df097bf]18
[f40a309]19/*
20 =============================================================================
21 printf(fmt, args) -- output 'args' according to 'fmt' on CON_DEV
22 =============================================================================
23*/
24
[8973acd]25int16_t printf(int8_t *fmt, ...)
[f40a309]26{
[8973acd]27 register int16_t count;
[f40a309]28 va_list aptr;
29
[bfc0072]30 va_start(aptr, fmt);
[f40a309]31 count = dofmt_(fpsub, fmt, aptr);
32 va_end(aptr);
33 return(count);
34}
35
36/*
37 =============================================================================
38 fpsub(c) -- output 'c' to CON_DEV
39 =============================================================================
40*/
41
[7258c6a]42static int16_t fpsub(int16_t c)
[f40a309]43{
44 /* KLUDGE: since we aren't Unix(tm) we prepend a CR to LF's */
45
46 if (c EQ '\n')
47 BIOS(B_PUTC, CON_DEV, '\r');
48
49 BIOS(B_PUTC, CON_DEV, c);
50 return(c);
51}
[6262b5c]52
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