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[/] [eco32/] [trunk/] [stdalone/] [twotasks-2/] [task1/] [task1.c] - Blame information for rev 314

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Line No. Rev Author Line
1 18 hellwig
/*
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 * task1.c -- a simple task
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 */
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#include "putchar.h"
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#include "stdarg.h"
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/**************************************************************/
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void puts(char *s) {
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  char c;
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  while ((c = *s++) != '\0') {
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    putchar(c);
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  }
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}
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void printn(int n) {
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  int a;
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  if (n < 0) {
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    putchar('-');
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    n = -n;
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  }
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  a = n / 10;
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  if (a != 0) {
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    printn(a);
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  }
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  putchar(n % 10 + '0');
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}
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void printu(unsigned int n, unsigned int b) {
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  unsigned int a;
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  a = n / b;
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  if (a != 0) {
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    printu(a, b);
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  }
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  putchar("0123456789ABCDEF"[n % b]);
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}
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void printf(char *fmt, ...) {
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  va_list ap;
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  char c;
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  int n;
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  unsigned int u;
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  char *s;
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  va_start(ap, fmt);
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  while (1) {
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    while ((c = *fmt++) != '%') {
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      if (c == '\0') {
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        va_end(ap);
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        return;
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      }
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      putchar(c);
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    }
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    c = *fmt++;
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    if (c == 'd') {
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      n = va_arg(ap, int);
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      printn(n);
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    } else
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    if (c == 'u' || c == 'o' || c == 'x') {
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      u = va_arg(ap, int);
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      printu(u, c == 'o' ? 8 : (c == 'x' ? 16 : 10));
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    } else
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    if (c == 's') {
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      s = va_arg(ap, char *);
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      puts(s);
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    } else {
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      putchar(c);
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    }
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  }
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}
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/**************************************************************/
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void main(void) {
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  int i;
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  printf("TASK1: executing...\n");
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  i = 0;
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  while (1) {
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    printf("TASK1: %d\n", i);
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    i++;
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  }
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}

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