From bfed7386be9082d047af94edebb28e3297acc473 Mon Sep 17 00:00:00 2001
From: Caleb Sander <caleb.sander@gmail.com>
Date: Tue, 1 Oct 2019 22:00:21 -0700
Subject: [PATCH] Insert matching ), ], and } characters
---
src/nano.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/src/nano.c b/src/nano.c
index ec0bb038..acafd27a 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -1862,14 +1862,21 @@ void do_output(char *output, size_t output_len, bool allow_cntrls)
continue;
/* Make room for the new character and copy it into the line. */
- openfile->current->data = charealloc(openfile->current->data,
- current_len + char_len + 1);
- charmove(openfile->current->data + openfile->current_x + char_len,
- openfile->current->data + openfile->current_x,
+ char matching_char =
+ *onechar == '(' ? ')' :
+ *onechar == '[' ? ']' :
+ *onechar == '{' ? '}' : '\0';
+ size_t insert_length = matching_char ? char_len + 1 : char_len;
+ openfile->current->data =
+ charealloc(openfile->current->data, current_len + insert_length + 1);
+ char *insert_start = openfile->current->data + openfile->current_x;
+ charmove(insert_start + insert_length, insert_start,
current_len - openfile->current_x + 1);
- strncpy(openfile->current->data + openfile->current_x, onechar,
- char_len);
- current_len += char_len;
+ strncpy(insert_start, onechar, char_len);
+ if (matching_char) {
+ insert_start[char_len] = matching_char;
+ }
+ current_len += insert_length;
openfile->totsize++;
set_modified();
--
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