pdf2swf/ttf2pt1/win_missing.h

   1 /*
   2  * Implementation of things missing in Windows
   3  */
   4
   5 #ifndef M_PI
   6 #define M_PI  3.14159265358979323846
   7 #endif
   8
   9 #undef ntohs
  10 #undef ntohl
  11 #undef htonl
  12
  13 #ifdef WINDOWS_FUNCTIONS
  14 /* byte order */
  15
  16 static unsigned short StoM(unsigned short inv) {
  17     union iconv {
  18         unsigned short    ui;
  19         unsigned char   uc[2];
  20     } *inp, outv;
  21
  22     inp = (union iconv *)&inv;
  23
  24     outv.uc[0] = inp->uc[1];
  25     outv.uc[1] = inp->uc[0];
  26
  27     return (outv.ui);
  28 }
  29
  30 static unsigned int ItoM(unsigned int inv) {
  31     union iconv {
  32         unsigned int    ui;
  33         unsigned char   uc[4];
  34     } *inp, outv;
  35
  36     inp = (union iconv *)&inv;
  37
  38     outv.uc[0] = inp->uc[3];
  39     outv.uc[1] = inp->uc[2];
  40     outv.uc[2] = inp->uc[1];
  41     outv.uc[3] = inp->uc[0];
  42
  43     return (outv.ui);
  44 }
  45
  46 unsigned short ntohs(unsigned short inv) { return StoM(inv); }
  47 unsigned long ntohl(unsigned long inv) { return ItoM(inv); }
  48 unsigned long htonl(unsigned long inv) { return ItoM(inv); }
  49
  50 char *optarg;
  51 int optind=1;
  52
  53 char getopt(int argc, char **argv, char *args) {
  54         int n,nlen=strlen(args),nLen=0;
  55         char nCmd;
  56
  57         if (argv[optind] && *argv[optind]=='-') {
  58                 nCmd=*((argv[optind]+1));
  59
  60                 for (n=0;n<nlen;n++) {
  61                         if (args[n] == ':') continue;
  62                         if (args[n] == nCmd) {
  63                                 if (args[n+1]==':') {
  64                                         char retVal;
  65                                         retVal=*(argv[optind]+1);
  66                                         optarg=argv[optind+1];
  67                                         if (!optarg) optarg="";
  68                                         optind+=2;
  69                                         return retVal;
  70                                 } else {
  71                                         char retVal;
  72                                         retVal=*(argv[optind]+1);
  73                                         optarg=NULL;
  74                                         optind+=1;
  75                                         return retVal;
  76                                 }
  77                         }
  78                 }
  79         }
  80         return -1;
  81 }
  82
  83 #else
  84
  85 unsigned short ntohs(unsigned short inv);
  86 unsigned long ntohl(unsigned long inv);
  87 unsigned long htonl(unsigned long inv);
  88
  89 extern char *optarg;
  90 extern int optind;
  91
  92 char getopt(int argc, char **argv, char *args);
  93 #endif