First commit

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 54 insertions, 0 deletions

diff --git a/common.h b/common.h
new file mode 100644
index 0000000..f81a098
--- /dev/null
+++ b/common.h
@@ -0,0 +1,54 @@
+/* See LICENSE file for copyright and license details. */
+#include "libparsepcf.h"
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#if defined(__GNUC__)
+# define PURE  __attribute__((__pure__))
+# define CONST __attribute__((__const__))
+#else
+# define PURE
+# define CONST
+#endif
+
+
+/* Table formats: */
+#define LIBPARSEPCF_DEFAULT_FORMAT              UINT32_C(0x00000000)
+#define LIBPARSEPCF_INKBOUNDS                   UINT32_C(0x00000200)
+#define LIBPARSEPCF_ACCELERATOR_WITH_INK_BOUNDS UINT32_C(0x00000100)
+#define LIBPARSEPCF_COMPRESSED_METRICS          UINT32_C(0x00000100)
+
+/* Table format modifiers: */
+#define LIBPARSEPCF_GLYPH_PAD_MASK (UINT32_C(3) << 0)
+#define LIBPARSEPCF_BYTE           (UINT32_C(1) << 2)
+#define LIBPARSEPCF_BIT            (UINT32_C(1) << 3)
+#define LIBPARSEPCF_SCAN_UNIT_MASK (UINT32_C(3) << 4)
+
+
+PURE uint32_t libparsepcf_parse_lsb_uint32__(const void *);
+PURE uint32_t libparsepcf_parse_msb_uint32__(const void *);
+
+PURE uint16_t libparsepcf_parse_lsb_uint16__(const void *);
+PURE uint16_t libparsepcf_parse_msb_uint16__(const void *);
+
+CONST int16_t libparsepcf_parse_int16_from_unsigned__(uint16_t);
+CONST int32_t libparsepcf_parse_int32_from_unsigned__(uint32_t);
+
+#define PARSE_UINT32(TEXT, MSB)\
+	((MSB) ? libparsepcf_parse_msb_uint32__(TEXT) : libparsepcf_parse_lsb_uint32__(TEXT))
+
+#define PARSE_UINT16(TEXT, MSB)\
+	((MSB) ? libparsepcf_parse_msb_uint16__(TEXT) : libparsepcf_parse_lsb_uint16__(TEXT))
+
+#define PARSE_INT32(TEXT, MSB)\
+	(libparsepcf_parse_int32_from_unsigned__(PARSE_UINT32(TEXT, MSB)))
+
+#define PARSE_INT16(TEXT, MSB)\
+	(libparsepcf_parse_int16_from_unsigned__(PARSE_UINT16(TEXT, MSB)))
+
+
+#undef PURE
+#undef CONST