printf implementation towards cooja

This commit is contained in:
fros4943 2008-10-03 09:41:16 +00:00
parent 08502eb344
commit 4cc56a741d

View file

@ -26,15 +26,18 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: log.c,v 1.4 2007/11/25 22:45:32 fros4943 Exp $
* $Id: log.c,v 1.5 2008/10/03 09:41:16 fros4943 Exp $
*/
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "sys/log.h"
#include "lib/simEnvChange.h"
#define IMPLEMENT_PUTCHAR 1
#define MAX_LOG_LENGTH 1024
const struct simInterface simlog_interface;
// COOJA variables
@ -42,13 +45,25 @@ char simLoggedData[MAX_LOG_LENGTH];
int simLoggedLength;
char simLoggedFlag;
/*-----------------------------------------------------------------------------------*/
void
simlog_char(char c)
{
if (simLoggedLength + 1 > MAX_LOG_LENGTH) {
/* Dropping message due to buffer overflow */
return;
}
simLoggedData[simLoggedLength] = c;
simLoggedLength += 1;
simLoggedFlag = 1;
}
/*-----------------------------------------------------------------------------------*/
void
simlog(const char *message)
{
if (simLoggedLength + strlen(message) > MAX_LOG_LENGTH) {
/* Dropping message due to buffer overflow */
printf("Warning. Dropping log message due to buffer overflow\n");
return;
}
@ -72,8 +87,46 @@ doInterfaceActionsBeforeTick(void)
static void
doInterfaceActionsAfterTick(void)
{
fflush(stdout);
}
/*-----------------------------------------------------------------------------------*/
#if IMPLEMENT_PUTCHAR
int
putc(int c, FILE *f)
{
simlog_char(c);
return c;
}
/*-----------------------------------------------------------------------------------*/
int
putchar(int c)
{
simlog_char(c);
return c;
}
/*-----------------------------------------------------------------------------------*/
int
puts(const char* s)
{
simlog(s);
return 0;
}
/*-----------------------------------------------------------------------------------*/
int
printf(const char *fmt, ...)
{
int res;
static char buf[MAX_LOG_LENGTH];
va_list ap;
va_start (ap, fmt);
res = vsnprintf (buf, MAX_LOG_LENGTH, fmt, ap);
va_end(ap);
simlog(buf);
return res;
}
#endif /* IMPLEMENTS_PUTCHAR */
/*-----------------------------------------------------------------------------------*/
SIM_INTERFACE(simlog_interface,
doInterfaceActionsBeforeTick,