From: Jim Meyering <jim@meyering.net>
Date: Tue, 23 Sep 2003 08:01:26 +0000 (+0000)
Subject: (unexpand): Save errno after input error, to report proper errno value.
X-Git-Tag: COREUTILS-5_1_0~551
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=46369400c745f255663923b123853436bc94b105;p=platform%2Fupstream%2Fcoreutils.git

(unexpand): Save errno after input error, to report proper errno value.
---

diff --git a/src/unexpand.c b/src/unexpand.c
index 8ba563a..ab0b8fb 100644
--- a/src/unexpand.c
+++ b/src/unexpand.c
@@ -235,6 +235,7 @@ unexpand (void)
   int next_tab_column;		/* Column the next tab stop is on. */
   int convert = 1;		/* If nonzero, perform translations. */
   unsigned int pending = 0;	/* Pending columns of blanks. */
+  int saved_errno;
 
   fp = next_file ((FILE *) NULL);
   if (fp == NULL)
@@ -246,6 +247,7 @@ unexpand (void)
   for (;;)
     {
       c = getc (fp);
+      saved_errno = errno;
 
       if (c == ' ' && convert && column < TAB_STOP_SENTINEL)
 	{
@@ -325,6 +327,7 @@ unexpand (void)
 
 	  if (c == EOF)
 	    {
+	      errno = saved_errno;
 	      fp = next_file (fp);
 	      if (fp == NULL)
 		break;		/* No more files. */