time_dateset.c

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/* setdate function */

#include "fb.h"
#include <ctype.h>

FBCALL int fb_SetDate( FBSTRING *date )
{
        if( (date != NULL) && (date->data != NULL) )
        {

                char *t, c, sep;
                int m, d, y;

                /* get month */
                m = 0;
                for( t = date->data; (c = *t) && isdigit(c); t++ )
                {
                        m = m * 10 + c - '0';
                }

                if( ((c != '/') && (c != '-')) || (m < 1) || (m > 12) )
                {
                        return fb_ErrorSetNum( FB_RTERROR_ILLEGALFUNCTIONCALL );
                }
                sep = c;

                /* get day */
                d = 0;
                for( t++; (c = *t) && isdigit(c); t++ )
                {
                        d = d * 10 + c - '0';
                }

                if( (c != sep) || (d < 1) || (d > 31) )
                {
                        return fb_ErrorSetNum( FB_RTERROR_ILLEGALFUNCTIONCALL );
                }

                /* get year */
                y = 0;
                for( t++; (c = *t) && isdigit(c); t++ )
                {
                        y = y * 10 + c - '0';
                }

                if (y < 100) y += 1900;

                if( fb_hSetDate( y, m, d ) )
                {
                        return fb_ErrorSetNum( FB_RTERROR_ILLEGALFUNCTIONCALL );
                }
        }

        /* del if temp */
        fb_hStrDelTemp( date );

        return fb_ErrorSetNum( FB_RTERROR_OK );
}