silentbob/silentbob-1.4.1/gclib/gclib_c/buf.c

   1 /*
   2  * (c) Oleg Puchinin 2006
   3  * graycardinalster@gmail.com
   4  *
   5  */
   6
   7 #include <gclib_c.h>
   8 #define __export
   9
  10 __export void buf_W8 (char ** pkt, unsigned char data)
  11 {
  12         unsigned char *ptr = (unsigned char *) *pkt;
  13         *ptr = data;
  14         (*pkt)++;
  15 }
  16
  17 __export void buf_W16 (char ** pkt, uint16_t data)
  18 {
  19         uint16_t *ptr = (uint16_t *) *pkt;
  20         *ptr = data;
  21         (*pkt)+=2;
  22 }
  23
  24 __export void buf_W32 (char ** pkt, unsigned int data)
  25 {
  26         unsigned int *ptr = (unsigned int *) *pkt;
  27         *ptr = data;
  28         (*pkt)+=4;
  29 }
  30
  31 __export void buf_WS (char ** pkt, char *S)
  32 {
  33         char * ptr = *pkt;
  34         memcpy (ptr, S, strlen (S));
  35         (*pkt) += strlen (S);
  36 }
  37
  38 __export void buf_WSZ (char ** pkt, char *S)
  39 {
  40         char * ptr = *pkt;
  41         strcpy (ptr, S);
  42         (*pkt) += strlen (S) + 1;
  43 }
  44
  45 __export void buf_WD (char ** pkt, char *S, int size)
  46 {
  47         char * ptr = *pkt;
  48         memcpy (ptr, S, size);
  49         (*pkt) += size;
  50 }
  51
  52 __export unsigned char buf_R8 (char ** pkt)
  53 {
  54         unsigned char ch = 0;
  55         ch = *((unsigned char *) *pkt);
  56         ++(*pkt);
  57         return ch;
  58 }
  59
  60 __export uint16_t buf_R16 (char ** pkt)
  61 {
  62         uint16_t ret = 0;
  63         ret = *((uint16_t *) *pkt);
  64         (*pkt) += 2;
  65         return ret;
  66 }
  67
  68 __export uint32_t buf_R32 (char ** pkt)
  69 {
  70         uint32_t ret = 0;
  71         ret = *((uint32_t *) *pkt);
  72         (*pkt) += 4;
  73         return ret;
  74 }
  75
  76 __export char * buf_RD (char ** pkt, int len)
  77 {
  78         char * ret = NULL;
  79         ret = (char *) memdup (*pkt, len);
  80         (*pkt) += len;
  81         return ret;
  82 }
  83