cutil/cutil.cpp

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00001 
00028 #include "cutil.h"
00029 #include "callcpp.h"
00030 
00031 #include <stdlib.h>
00032 
00033 #define RESET_COUNT 2000
00034 
00035 void_proc deallocate = (void_proc) c_free_string;
00036 char_proc allocate = (char_proc) c_alloc_string;
00037 
00044 long long_rand(long limit) {
00045 #if RAND_MAX < 0x1000000
00046   static long seed;
00047 
00048   long num;
00049   num = (long) rand () << 16;
00050   num |= rand () & 0xffff;
00051   seed ^= num;
00052   long result = num % limit;
00053   while (result < 0) {
00054     result += limit;
00055   }
00056   return result;
00057 #else
00058   return (long)((double)limit * rand()/(RAND_MAX + 1.0));
00059 #endif
00060 }
00061 
00062 
00070 FILE *open_file(const char *filename, const char *mode) {
00071   FILE *thisfile = NULL;
00072   if ((thisfile = fopen (filename, mode)) == NULL) {
00073     printf ("Could not open file, %s\n", filename);
00074     exit (1);
00075   }
00076   return (thisfile);
00077 }

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