From: Andrew Stubbs <andrew.stubbs@st.com>
Date: Mon, 31 Oct 2005 19:11:35 +0000 (+0000)
Subject: 2005-10-31  Andrew Stubbs  <andrew.stubbs@st.com>
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bbe6b987a5c7a3fa8d1f25f03a08a6463441b8ff;p=binutils-gdb.git

2005-10-31  Andrew Stubbs  <andrew.stubbs@st.com>

	* tui/tui-command.c (tui_dispatch_ctrl_char): Test output of
	getenv() before using it.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index de5d48c48ea..87e270f09ba 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2005-10-31  Andrew Stubbs  <andrew.stubbs@st.com>
+
+	* tui/tui-command.c (tui_dispatch_ctrl_char): Test output of
+	getenv() before using it.
+
 2005-10-29  Mark Kettenis  <kettenis@gnu.org>
 
 	* hppa-tdep.h (HPPA_INSN_SIZE): New define.
diff --git a/gdb/tui/tui-command.c b/gdb/tui/tui-command.c
index 399ef85b8c5..7f3fc7599b2 100644
--- a/gdb/tui/tui-command.c
+++ b/gdb/tui/tui-command.c
@@ -68,33 +68,36 @@ tui_dispatch_ctrl_char (unsigned int ch)
          ** Seems like a bug in the curses library?
        */
       term = (char *) getenv ("TERM");
-      for (i = 0; (term && term[i]); i++)
-	term[i] = toupper (term[i]);
-      if ((strcmp (term, "XTERM") == 0) && key_is_start_sequence (ch))
+      if (term)
 	{
-	  unsigned int page_ch = 0;
-	  unsigned int tmp_char;
-
-	  tmp_char = 0;
-	  while (!key_is_end_sequence (tmp_char))
+	  for (i = 0; term[i]; i++)
+	    term[i] = toupper (term[i]);
+	  if ((strcmp (term, "XTERM") == 0) && key_is_start_sequence (ch))
 	    {
-	      tmp_char = (int) wgetch (w);
-	      if (tmp_char == ERR)
-		{
-		  return ch;
-		}
-	      if (!tmp_char)
-		break;
-	      if (tmp_char == 53)
-		page_ch = KEY_PPAGE;
-	      else if (tmp_char == 54)
-		page_ch = KEY_NPAGE;
-	      else
+	      unsigned int page_ch = 0;
+	      unsigned int tmp_char;
+
+	      tmp_char = 0;
+	      while (!key_is_end_sequence (tmp_char))
 		{
-		  return 0;
+		  tmp_char = (int) wgetch (w);
+		  if (tmp_char == ERR)
+		    {
+		      return ch;
+		    }
+		  if (!tmp_char)
+		    break;
+		  if (tmp_char == 53)
+		    page_ch = KEY_PPAGE;
+		  else if (tmp_char == 54)
+		    page_ch = KEY_NPAGE;
+		  else
+		    {
+		      return 0;
+		    }
 		}
+	      ch_copy = page_ch;
 	    }
-	  ch_copy = page_ch;
 	}
 
       switch (ch_copy)