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/* This file is part of the debugging module DEBUG.
Written by Dick Grune, Vrije Universiteit, Amsterdam.
$Id: debug.c,v 1.6 2013-05-12 09:58:34 Gebruiker Exp $
*/
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include "debug.h"
/*Library module source prelude */
#undef _MODULE_CODE_
#ifndef lint
#define _MODULE_CODE_
#endif
#ifdef LIB
#define _MODULE_CODE_
#endif
#ifdef _MODULE_CODE_
/* Library module source code */
#ifdef DEBUG
static void
wr_char(char ch) {
write(2, &ch, 1);
}
static void
wr_num(int b,int v) {
if (v >= b) {
wr_num(b, v/b);
}
wr_char("0123456789ABCDEF"[v%b]);
}
static void
wr_str(const char *s) {
while (*s) {
wr_char(*s++);
}
}
void
wr_info(const char *s, int b, int v) {
/* print the string */
if (s) {
int cnt = 0;
while (*s) {
int ch = *s++ &0377;
/* cut short a possibly corrupted string */
if (cnt++ > 50) {
wr_str("...");
break;
}
/* put not thy faith in chars, signed or unsigned */
if (isprint(ch)) {
wr_char(ch);
}
else {
switch (ch) {
case '\n': wr_str("\\n"); break;
case '\t': wr_str("\\t"); break;
case '\r': wr_str("\\r"); break;
case '\f': wr_str("\\f"); break;
default:
wr_char('\\');
wr_char(ch / 0100 % 010 + '0');
wr_char(ch / 010 % 010 + '0');
wr_char(ch / 01 % 010 + '0');
break;
}
}
}
}
else {
wr_str("<wr_info: NO STRING>");
}
/* print the value */
if (b != 0) {
wr_char(' ');
if (v < 0) {
wr_char('-');
v = -v;
}
switch (b) {
case 8:
wr_char('0');
wr_num(b, v);
break;
default:
wr_num(10, v);
break;
case 16:
wr_char('#');
wr_num(b, v);
break;
case 128:
wr_char(v);
break;
}
}
wr_char('\n');
}
#else
/*ARGSUSED*/
void
wr_info(const char *s, int b, int v) {
}
#endif /* DEBUG */
/* End library module source code */
#endif /* _MODULE_CODE_ */
#ifdef lint
static void
satisfy_lint(void *x) {
wr_info((char *)x, 0, 0);
satisfy_lint(x);
}
#endif /* lint */
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