DtvLong dal_bsf_cmp_dat (dt1,dt2)

Compares the size of two date values.

Input Parameters Significance
char *dt1 first date value
char *dt2 second date value

Output Parameters Significance
none -

Return Code Significance
0 date values are identical
1 first data value bigger than second date value
-1 first data value smaller than second date value

The date expressions must be passed in the correct data base format. For this reason you should always call the function dal_bsf_chk_dat followed by dal_bsf_fmt_dat for both values before comparing date expressions in mask format.

The pointer to the first and second date value must point to a memory space which is dimensioned for the maximum possible length of 21.