AUTOMAKE_OPTIONS = foreign
ACLOCAL_AMFLAGS = -I m4
-noinst_HEADERS = pcsc_cr.h token.h crypto_if.h crypto.h
+noinst_HEADERS = pcsc_cr.h token.h crypto_if.h crypto.h serial.h
EXTRA_LTLIBRARIES = libpcsc_cr.la
-libpcsc_cr_la_SOURCES = crypto.c pcsc_cr.c ykneo.c
+libpcsc_cr_la_SOURCES = serial.c crypto.c pcsc_cr.c ykneo.c
EXTRA_libpcsc_cr_la_SOURCES = ossl_crypto.c tom_crypto.c
libpcsc_cr_la_LIBADD = @CRYPTO_OBJS@
libpcsc_cr_la_DEPENDENCIES = @CRYPTO_OBJS@
--- /dev/null
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <string.h>
+#include "serial.h"
+
+int serial_init(serializer_t *srl, void *buffer, int size)
+{
+ srl->buffer = srl->cursor = buffer;
+ srl->bufsize = size;
+}
+
+int serial_switch(serializer_t *srl, void *buffer, int size)
+{
+ int used = srl->cursor - srl->buffer;
+
+ memcpy(buffer, srl->buffer, used);
+ srl->buffer = buffer;
+ srl->bufsize = size;
+ srl->cursor = buffer + used;
+}
+
+int serial_put(serializer_t *srl, void *item, int size)
+{
+ int left = srl->bufsize - (srl->cursor - srl->buffer);
+ if (left < size + sizeof(short)) return left - sizeof(short);
+ *((short *)srl->cursor) = size;
+ srl->cursor += 2;
+ if (size) memcpy(srl->cursor, item, size);
+ srl->cursor += size;
+ return size;
+}
+
+int serial_get(serializer_t *srl, void *item, int bufsize)
+{
+ short isize = *((short *)srl->cursor);
+ if (isize > bufsize || isize == 0) return isize;
+ srl->cursor += sizeof(short);
+ memcpy(item, srl->cursor, isize);
+ srl->cursor += isize;
+ return isize;
+}
+
+int serial_size(serializer_t *srl)
+{
+ return srl->cursor - srl->buffer;
+}
--- /dev/null
+#ifndef _SERIAL_H
+#define _SERIAL_H
+
+typedef struct _serializer {
+ char *buffer;
+ int bufsize;
+ char *cursor;
+} serializer_t;
+
+int serial_init(serializer_t *srl, void *buffer, int size);
+int serial_switch(serializer_t *srl, void *buffer, int size);
+int serial_put(serializer_t *srl, void *item, int size);
+int serial_get(serializer_t *srl, void *item, int bufsize);
+int serial_size(serializer_t *srl);
+
+#endif