str_tempdescf.c

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/* temp string descriptor allocation for fixed-len strings */

#include "fb.h"

FBCALL FBSTRING *fb_StrAllocTempDescF( char *str, ssize_t str_size )
{
        FBSTRING *dsc;

        FB_STRLOCK();

        /* alloc a temporary descriptor */
        dsc = fb_hStrAllocTmpDesc( );

        FB_STRUNLOCK();

    if( dsc == NULL )
        return &__fb_ctx.null_desc;

        dsc->data = str;

        /* can't use strlen() if the size is known */
        if( str_size != 0 )
                dsc->len = str_size - 1;                        /* less the null-term */
        else
        {
                if( str != NULL )
                        dsc->len = strlen( str );
                else
                        dsc->len = 0;
        }

        dsc->size = dsc->len;

        return dsc;
}