v1.13 initial checkin

example4.c

@@ -2,6 +2,7 @@
 // Public domain, May 15 2011, Rich Geldreich, richgel99@gmail.com. See "unlicense" statement at the end of tinfl.c.
 #include "tinfl.c"
 #include <stdio.h>
+#include <limits.h>
 
 typedef unsigned char uint8;
 typedef unsigned short uint16;
@@ -22,7 +23,8 @@ int main(int argc, char *argv[])
   uint infile_size, outfile_size;
   size_t in_buf_size;
   uint8 *pCmp_data;
-          
+  long file_loc;
+
   if (argc != 3)
   {
     printf("Usage: example4 infile outfile\n");
@@ -38,12 +40,21 @@ int main(int argc, char *argv[])
     printf("Failed opening input file!\n");
     return EXIT_FAILURE;
   }
-  
+
   // Determine input file's size.
   fseek(pInfile, 0, SEEK_END);
-  infile_size = ftell(pInfile);
+  file_loc = ftell(pInfile);
   fseek(pInfile, 0, SEEK_SET);
 
+  if ((file_loc < 0) || (file_loc > INT_MAX))
+  {
+     // This is not a limitation of miniz or tinfl, but this example.
+     printf("File is too large to be processed by this example.\n");
+     return EXIT_FAILURE;
+  }
+
+  infile_size = (uint)file_loc;
+
   pCmp_data = (uint8 *)malloc(infile_size);
   if (!pCmp_data)
   {
@@ -65,7 +76,7 @@ int main(int argc, char *argv[])
   }
 
   printf("Input file size: %u\n", infile_size);
-    
+
   in_buf_size = infile_size;
   status = tinfl_decompress_mem_to_callback(pCmp_data, &in_buf_size, tinfl_put_buf_func, pOutfile, TINFL_FLAG_PARSE_ZLIB_HEADER);
   if (!status)