ircd-hybrid/contrib/libc_vprintf.c

/* $Id$ */
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>

#define BUFLEN 1024

static void checkbug(const char *fmt, ...);

int main(int argc, char *argv[])
{
  checkbug("Constant Format String");
  checkbug("1=%d, foo=%s", 1, "foo"); 

  exit(0); /*NOTREACHED*/
}

static void checkbug(const char *fmt, ...)
{
  char buf_a[BUFLEN];
  char buf_b[BUFLEN];
  char buf_c[BUFLEN];
  int n;
  va_list ap, ap2;

  printf("checkbug(%s)\n", fmt);

  va_start(ap, fmt);
  va_copy(ap2, ap);
 
  n = vsnprintf(buf_a, BUFLEN, fmt, ap);
  printf("  buf_a (len=%4d): %s\n", n, buf_a);
  vsnprintf(buf_b, BUFLEN, fmt, ap);
  printf("  buf_b (len=%4d): %s\n", n, buf_b);
  vsnprintf(buf_c, BUFLEN, fmt, ap2);
  printf("  buf_c (len=%4d): %s\n", n, buf_c);

  va_end(ap);
  va_end(ap2);
}

Revision:	33
Committed:	Sun Oct 2 20:50:00 2005 UTC (20 years, 9 months ago) by knight
Content type:	text/x-csrc
File size:	786 byte(s)
Log Message:	- svn:keywords
#	Content
1	/* $Id$ */
2	#include <stdio.h>
3	#include <stdarg.h>
4	#include <stdlib.h>
5
6	#define BUFLEN 1024
7
8	static void checkbug(const char *fmt, ...);
9
10	int main(int argc, char *argv[])
11	{
12	checkbug("Constant Format String");
13	checkbug("1=%d, foo=%s", 1, "foo");
14
15	exit(0); /NOTREACHED/
16	}
17
18	static void checkbug(const char *fmt, ...)
19	{
20	char buf_a[BUFLEN];
21	char buf_b[BUFLEN];
22	char buf_c[BUFLEN];
23	int n;
24	va_list ap, ap2;
25
26	printf("checkbug(%s)\n", fmt);
27
28	va_start(ap, fmt);
29	va_copy(ap2, ap);
30
31	n = vsnprintf(buf_a, BUFLEN, fmt, ap);
32	printf(" buf_a (len=%4d): %s\n", n, buf_a);
33	vsnprintf(buf_b, BUFLEN, fmt, ap);
34	printf(" buf_b (len=%4d): %s\n", n, buf_b);
35	vsnprintf(buf_c, BUFLEN, fmt, ap2);
36	printf(" buf_c (len=%4d): %s\n", n, buf_c);
37
38	va_end(ap);
39	va_end(ap2);
40	}
41