size_t s_len = strlen( s );
p_sys->psz_header = realloc_or_free( p_sys->psz_header, header_len + s_len + 2 );
if( !p_sys->psz_header )
size_t s_len = strlen( s );
p_sys->psz_header = realloc_or_free( p_sys->psz_header, header_len + s_len + 2 );
if( !p_sys->psz_header )