Category : C Source Code
Archive   : WTWG12B.ZIP
Filename : WVALTIME.C

/* wvaltime.c
* validate a time string in form of hh:mm:ss or hh:mm
*
* RETURNS: 0 if time is valid. nonzero otherwise.
* alters the time string by removing extra digits, sapces, etc...
*
* adds missing 'ss' field if not provided originally.
* (ie: buffer must be at least 9 bytes.)
*
*/
#include "wsys.h"


int wval_time ( char *time )
{
int retcode =1;
unsigned int h=100,m=100, s=0; /* NOTE: h,m req'd by default setting */
char *ptr = time;

wdtparse ( &h, &ptr, ':' );
wdtparse ( &m, &ptr, ':' );
wdtparse ( &s, &ptr, ':' );

if ( h<24 && m<60 && s<60 )
{
retcode = 0;
sprintf ( time, "%u:%u:%2.2u", h,m,s);
}


return (retcode); /* wval_time ()*/
}

/*--------------- end of WVALTIME.C --------------------*/