+/*
+ * saves filelen bytes from file at pathname
+ */
+int save_buffer(void *file, size_t filelen, const char *pathname)
+{
+ size_t block = 0;
+ size_t bytes_written = 0;
+ FILE *fp;
+
+ fp = fopen(pathname, "w");
+ if (!fp) {
+ fprintf(stderr, "Cannot open '%s': %s\n", pathname, strerror(errno));
+ return 0;
+ }
+ do {
+ block = fwrite((char *)file + bytes_written, 1,
+ filelen - bytes_written, fp);
+ bytes_written += block;
+ } while (errno == EINTR && bytes_written < filelen);
+ fclose(fp);
+
+ if (bytes_written < filelen) {
+ fprintf(stderr,"Trouble saving '%s': %s\n", pathname,
+ strerror(errno));
+ return 0;
+ }
+ return 1;
+}
+
+