+ if ((offset > st.st_size) || (offset > st.st_size))
+ invalid = 1;
+ else if ((st.st_size - offset) < len)
+ len = st.st_size - offset;
+ else if ((st.st_size - len) < len)
+ len = st.st_size - len;
+
+ if (!invalid && len)
+ len %= 4096;
+
+ if (invalid) {
+
+ free(filename); /* not needed */
+
+ if (!(buf = malloc(8)))
+ return -1;
+
+ dvprintf("memrequest: recieved invalid request for 0x%08lx bytes at 0x%08lx\n", len, offset);
+
+ /* Damn endianness. This must be little (LSB first) endian. */
+ buf[0] = offset & 0xff;
+ buf[1] = (offset >> 8) & 0xff;
+ buf[2] = (offset >> 16) & 0xff;
+ buf[3] = (offset >> 24) & 0xff;
+ buf[4] = len & 0xff;
+ buf[5] = (len >> 8) & 0xff;
+ buf[6] = (len >> 16) & 0xff;
+ buf[7] = (len >> 24) & 0xff;
+
+ *bufret = buf;
+ *buflenret = 8;
+
+ } else {
+
+ if (!(buf = malloc(len))) {
+ free(filename);
+ return -1;
+ }
+
+ dvprintf("memrequest: loading %ld bytes from 0x%08lx in \"%s\"...\n", len, offset, filename);
+
+ if (!(f = fopen(filename, "r"))) {
+ dperror("memrequest: fopen");
+ free(filename);
+ free(buf);
+ return -1;
+ }
+
+ free(filename);