Fix a nasty bug that was closing stdin

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3663 42af7a65-404d-4744-a932-0658087f49c3
2011-06-03 15:38:26 +00:00 · 2011-06-03 15:38:26 +00:00 · 9ac8ffc564
parent 2c351f21eb
commit 9ac8ffc564
1 changed files with 4 additions and 1 deletions
--- a/lib/stdio/lib_fgets.c
+++ b/lib/stdio/lib_fgets.c
@ -97,7 +97,10 @@ static const char g_erasetoeol[] = "\033[K";
 static inline int _lib_rawgetc(int fd)
 {
  char buffer;
-  if (read(fd, &buffer, 1) < 1)
+  ssize_t nread;
+
+  nread = read(fd, &buffer, 1);
+  if (nread < 1)
    {
      /* Return EOF if the end of file (0) or error (-1) occurs */