1 files changed, 40 insertions, 0 deletions
diff --git a/woip/c/blocks.c b/woip/c/blocks.c
new file mode 100644
index 0000000..6ac2cf7
--- /dev/null
+++ b/woip/c/blocks.c
@@ -0,0 +1,40 @@
+#include <sys/mman.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "debug.h"
+#include "safe.h"
+
+#define MAXLINE 1024
+#define MAXBLOCK 10000
+
+uint64_t store[MAXBLOCK];
+
+uint64_t *load_block_map(char *file) {
+  int nblocks;
+  void *ptr;
+  FILE *fp = xfopen(file, "r");
+
+  fread(&nblocks, sizeof(nblocks), 1, fp);
+  ptr = xmmap(NULL, nblocks * sizeof(uint64_t), PROT_READ, MAP_SHARED, fileno(fp), 0);
+
+  return ptr + sizeof(nblocks);
+}
+   
+#ifdef INCLUDE_MAIN
+int main(int argc, char **argv) {
+  char line[MAXLINE];
+  int pos = 0;
+
+  while(fgets(line, MAXLINE, stdin))
+    store[pos++] = (uint64_t) strtoll(line, NULL, 10);
+
+  FILE *bFile = xfopen(argv[1], "w");
+
+  fwrite(&pos, sizeof(pos), 1, bFile);
+  fwrite(store, sizeof(uint64_t), pos, bFile);
+  fclose(bFile);
+
+  return 0;
+}
+#endif