diff options
-rw-r--r-- | src/common/util.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/common/util.c b/src/common/util.c index 371e09b8d..dd2d1110e 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -3462,10 +3462,11 @@ tor_read_all_handle(HANDLE h, char *buf, size_t count, HANDLE hProcess) continue; } + /* There is data to read; read it */ retval = ReadFile(h, buf+numread, count-numread, &byte_count, NULL); + tor_assert(byte_count + numread <= count); if (!retval) { - log_warn(LD_GENERAL, - "Failed to read from handle: %s", + log_warn(LD_GENERAL, "Failed to read from handle: %s", format_win32_error(GetLastError())); return -1; } else if (0 == byte_count) { |