2007-07-17 Marcus Brinkmann <marcus@g10code.de>

2007-07-17  Marcus Brinkmann  <marcus@g10code.de>

	* debug.c:;5B Include <errno.h> and "debug.h".
	(_gpgme_debug): Save and restore ERRNO.
	(TOHEX): New macro.
	(_gpgme_debug_buffer): New function.
	* conversion.c, data-compat.c, data-mem.c, data.c, engine-gpgsm.c,
	gpgme.c, keylist.c, posix-io.c, rungpg.c, sign.c, version.c,
	w32-io.c, wait.c: Replace DEBUG macros by TRACE_* variants.  In
	most of these files, add many more tracepoints.