log: replace fprintf with fwrite

1 files changed, 3 insertions, 3 deletions

diff --git a/log.h b/log.h
index 8bb53c6..6aca9ea 100644
--- a/log.h
+++ b/log.h
@@ -167,11 +167,11 @@ constexpr void logger<WithTimestamp, BufSize>::log(const char* fmt,
   assert(pos < BufSize);
 
   // Ensure terminated with new line and null terminator.
-  assert(pos < BufSize - 1);
-  m_buf[pos++] = '\0';
+  assert(pos < BufSize);
+  m_buf[pos++] = '\n';
 
   // Write out log message.
-  std::fprintf(stderr, "%s\n", m_buf);
+  std::fwrite(m_buf, pos < BufSize ? pos : BufSize, 1 /* nmemb */, stderr);
 }
 
 }  // namespace logging