init files

loader/tools/b2/file.c

@@ -0,0 +1,72 @@
+#include "file.h"
+#include <stdlib.h>
+#include <string.h>
+
+void freeFile(File *aFile)
+{
+  free(aFile->name);
+  free(aFile->data);
+}
+
+bool readFile(File *aFile, const char *fileName)
+{
+  FILE *fp = NULL;
+  struct stat fileStatus;
+
+  aFile->name = (char *)strdup(fileName);
+
+  if(stat(aFile->name, &fileStatus) == -1) {
+    return false;
+  }
+  aFile->size = fileStatus.st_size;
+
+  fp = fopen(aFile->name, "rb");
+  if(fp == NULL) {
+    return false;
+  }
+
+  aFile->data = (byte *)malloc(aFile->size);
+  if(aFile->data == NULL) {
+    fclose(fp);
+    return false;
+  }
+
+  if(fread(aFile->data, 1, aFile->size, fp) != aFile->size) {
+    fclose(fp);
+    free(aFile->data);
+    return false;
+  }
+
+  fclose(fp);
+  return true;
+}
+
+bool writeFile(File *aFile, const char *fileName)
+{
+  FILE *fp = NULL;
+  size_t length;
+  char *ext;
+
+  length = strlen(fileName);
+  aFile->name = (char *)malloc(length + 4);
+
+  if(aFile->name == NULL){
+    return false;
+  }
+
+  strncpy(aFile->name, fileName, length);
+  strncpy(aFile->name + length, ".b2\0", 4);
+
+  fp = fopen(aFile->name, "wb");
+  if(fp == NULL) {
+    return false;
+  }
+
+  if(fwrite(aFile->data, 1, aFile->size, fp) != aFile->size) {
+    fclose(fp);
+    return false;
+  }
+
+  fclose(fp);
+  return true;
+}