str_len.c

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/* string length function */

#include "fb.h"

FBCALL ssize_t fb_StrLen( void *str, ssize_t str_size )
{
        ssize_t len;

        if( str == NULL )
                return 0;

        /* is dst var-len? */
        if( str_size == -1 )
        {
                len = FB_STRSIZE( str );

                /* delete temp? */
                fb_hStrDelTemp( (FBSTRING *)str );
        }
        else
        {
                /* this routine will never be called for fixed-len strings, as
                   their sizes are known at compiler-time, as such, this must be
                   a zstring, so find out the real len (as in C/PB) */
                len = strlen( (char *)str );
        }

        return len;
}