diff options
Diffstat (limited to 'xorg/server/module/rdpMisc.h')
| -rw-r--r-- | xorg/server/module/rdpMisc.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/xorg/server/module/rdpMisc.h b/xorg/server/module/rdpMisc.h index 8318f7bd..bed95891 100644 --- a/xorg/server/module/rdpMisc.h +++ b/xorg/server/module/rdpMisc.h @@ -24,6 +24,8 @@ the rest #ifndef __RDPMISC_H #define __RDPMISC_H +#include <X11/Xos.h> + int rdpBitsPerPixel(int depth); int @@ -75,4 +77,177 @@ g_chmod_hex(const char *filename, int flags); void g_hexdump(unsigned char *p, unsigned int len); +#if defined(X_BYTE_ORDER) +# if X_BYTE_ORDER == X_LITTLE_ENDIAN +# define L_ENDIAN +# else +# define B_ENDIAN +# endif +#else +# error Unknown endianness in rdp.h +#endif +/* check if we need to align data */ +/* check if we need to align data */ +#if defined(__sparc__) || defined(__alpha__) || defined(__hppa__) || \ + defined(__AIX__) || defined(__PPC__) || defined(__mips__) || \ + defined(__ia64__) || defined(__ppc__) || defined(__arm__) +#define NEED_ALIGN +#endif + +/* parser state */ +struct stream +{ + char* p; + char* end; + char* data; + int size; + /* offsets of various headers */ + char* iso_hdr; + char* mcs_hdr; + char* sec_hdr; + char* rdp_hdr; + char* channel_hdr; + char* next_packet; +}; + +/******************************************************************************/ +#define s_push_layer(s, h, n) \ +{ \ + (s)->h = (s)->p; \ + (s)->p += (n); \ +} + +/******************************************************************************/ +#define s_pop_layer(s, h) \ +{ \ + (s)->p = (s)->h; \ +} + +/******************************************************************************/ +#if defined(B_ENDIAN) || defined(NEED_ALIGN) +#define out_uint16_le(s, v) \ +{ \ + *((s)->p) = (unsigned char)((v) >> 0); \ + (s)->p++; \ + *((s)->p) = (unsigned char)((v) >> 8); \ + (s)->p++; \ +} +#else +#define out_uint16_le(s, v) \ +{ \ + *((unsigned short*)((s)->p)) = (unsigned short)(v); \ + (s)->p += 2; \ +} +#endif + +/******************************************************************************/ +#define init_stream(s, v) \ +{ \ + if ((v) > (s)->size) \ + { \ + g_free((s)->data); \ + (s)->data = (char*)g_malloc((v), 0); \ + (s)->size = (v); \ + } \ + (s)->p = (s)->data; \ + (s)->end = (s)->data; \ + (s)->next_packet = 0; \ +} + +/******************************************************************************/ +#define out_uint8p(s, v, n) \ +{ \ + g_memcpy((s)->p, (v), (n)); \ + (s)->p += (n); \ +} + +/******************************************************************************/ +#define out_uint8a(s, v, n) \ +{ \ + out_uint8p((s), (v), (n)); \ +} + +/******************************************************************************/ +#if defined(B_ENDIAN) || defined(NEED_ALIGN) +#define out_uint32_le(s, v) \ +{ \ + *((s)->p) = (unsigned char)((v) >> 0); \ + (s)->p++; \ + *((s)->p) = (unsigned char)((v) >> 8); \ + (s)->p++; \ + *((s)->p) = (unsigned char)((v) >> 16); \ + (s)->p++; \ + *((s)->p) = (unsigned char)((v) >> 24); \ + (s)->p++; \ +} +#else +#define out_uint32_le(s, v) \ +{ \ + *((unsigned int*)((s)->p)) = (v); \ + (s)->p += 4; \ +} +#endif + +/******************************************************************************/ +#if defined(B_ENDIAN) || defined(NEED_ALIGN) +#define in_uint32_le(s, v) \ +{ \ + (v) = (unsigned int) \ + ( \ + (*((unsigned char*)((s)->p + 0)) << 0) | \ + (*((unsigned char*)((s)->p + 1)) << 8) | \ + (*((unsigned char*)((s)->p + 2)) << 16) | \ + (*((unsigned char*)((s)->p + 3)) << 24) \ + ); \ + (s)->p += 4; \ +} +#else +#define in_uint32_le(s, v) \ +{ \ + (v) = *((unsigned int*)((s)->p)); \ + (s)->p += 4; \ +} +#endif + +/******************************************************************************/ +#if defined(B_ENDIAN) || defined(NEED_ALIGN) +#define in_uint16_le(s, v) \ +{ \ + (v) = (unsigned short) \ + ( \ + (*((unsigned char*)((s)->p + 0)) << 0) | \ + (*((unsigned char*)((s)->p + 1)) << 8) \ + ); \ + (s)->p += 2; \ +} +#else +#define in_uint16_le(s, v) \ +{ \ + (v) = *((unsigned short*)((s)->p)); \ + (s)->p += 2; \ +} +#endif + +/******************************************************************************/ +#define s_mark_end(s) \ +{ \ + (s)->end = (s)->p; \ +} + +/******************************************************************************/ +#define make_stream(s) \ +{ \ + (s) = (struct stream*)g_malloc(sizeof(struct stream), 1); \ +} + +/******************************************************************************/ +#define free_stream(s) do \ +{ \ + if ((s) != 0) \ + { \ + g_free((s)->data); \ + } \ + g_free((s)); \ +} while (0) + #endif |