From 22bae9812c12e20481f669d2c68ac5bb7db5b5be Mon Sep 17 00:00:00 2001
From: Chris Allegretta <chrisa@asty.org>
Date: Mon, 22 Oct 2001 23:32:58 +0000
Subject: [PATCH] Fixed null_at to ACTUALLY DO SOMETHING with its arg.  Again,
 this was causing nasty errors if the call to nrealloc moved where the data
 was located

git-svn-id: svn://svn.savannah.gnu.org/nano/branches/nano_1_0_branch/nano@867 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
---
 ChangeLog |  4 ++++
 cut.c     |  4 ++--
 nano.c    | 12 +++++++-----
 proto.h   |  2 +-
 4 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index dbdf7a16..861c624f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
 CVS code -
+- General
+	- Fixed null_at to ACTUALLY DO SOMETHING with its arg.  Again,
+	  this was causing nasty errors if the call to nrealloc moved
+	  where the data was located.
 - po/de.po:
 	- Updated German translation (Karl Eichwalder).
 
diff --git a/cut.c b/cut.c
index 2dd8697a..7d1fd992 100644
--- a/cut.c
+++ b/cut.c
@@ -96,7 +96,7 @@ void cut_marked_segment(filestruct * top, int top_x, filestruct * bot,
     free(top->data);
     top->data = tmpstr;
 
-    null_at(bot->data, bot_x);
+    null_at(&bot->data, bot_x);
     next = bot->next;
 
     /* We explicitly don't decrement totlines here because we don't snarf
@@ -399,7 +399,7 @@ int do_uncut_text(void)
 	    tmp->data = nmalloc(strlen(&current->data[current_x]) + 1);
 	    strcpy(tmp->data, &current->data[current_x]);
 	    splice_node(current, tmp, current->next);
-	    null_at(current->data, current_x);
+	    null_at(&current->data, current_x);
 	    current = current->next;
 	    current_x = 0;
 	    placewewant = 0;
diff --git a/nano.c b/nano.c
index 1802cff5..3132f509 100644
--- a/nano.c
+++ b/nano.c
@@ -346,10 +346,12 @@ void align(char **strp)
 }
 
 /* Null a string at a certain index and align it */
-void null_at(char *data, int index)
+void null_at(char **data, int index)
 {
-    data[index] = 0;
-    align(&data);
+
+    /* Ahh!  Damn dereferencing */
+    (*data)[index] = 0;
+    align(data);
 }
 
 void usage(void)
@@ -828,7 +830,7 @@ void do_wrap(filestruct * inptr, char input_char)
 	    down = 1;
 	}
 
-	null_at(inptr->data, current_x);
+	null_at(&inptr->data, current_x);
 
 	if (ISSET(MARK_ISSET) && (mark_beginbuf == inptr)) {
 	    mark_beginbuf = temp;
@@ -884,7 +886,7 @@ void do_wrap(filestruct * inptr, char input_char)
 		&& (current_x == current_word_start)) {
 		current_x = current_word_start;
 
-		null_at(inptr->data, current_word_start);
+		null_at(&inptr->data, current_word_start);
 	    } else {
 
 		while (isspace((int) inptr->data[i])) {
diff --git a/proto.h b/proto.h
index aa0a53bc..9827115d 100644
--- a/proto.h
+++ b/proto.h
@@ -131,7 +131,7 @@ void die(char *msg, ...);
 void new_file(void);
 void new_magicline(void);
 void splice_node(filestruct *begin, filestruct *newnode, filestruct *end);
-void null_at(char *data, int index);
+void null_at(char **data, int index);
 void page_up_center(void);
 void blank_edit(void);
 void search_init_globals(void);
-- 
2.39.5