(paste_serial): Don't assume fopen does not return stdin.

diff --git a/src/paste.c b/src/paste.c
index 139ac599a5f7f9fa523af28457d148032aa978ef..8f51c521c82510b8c054e89e351a0a0278669eff 100644 (file)
--- a/src/paste.c
+++ b/src/paste.c
@@ -336,7 +336,8 @@ paste_serial (size_t nfiles, char **fnamptr)
   for (; nfiles; nfiles--, fnamptr++)
     {
       int saved_errno;
-      if (STREQ (*fnamptr, "-"))
+      bool is_stdin = STREQ (*fnamptr, "-");
+      if (is_stdin)
        {
          have_read_stdin = true;
          fileptr = stdin;
@@ -394,7 +395,7 @@ paste_serial (size_t nfiles, char **fnamptr)
          error (0, saved_errno, "%s", *fnamptr);
          ok = false;
        }
-      if (fileptr == stdin)
+      if (is_stdin)
        clearerr (fileptr);     /* Also clear EOF. */
       else if (fclose (fileptr) == EOF)
        {