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authorDenys Vlasenko <vda.linux@googlemail.com>2016-09-28 16:23:05 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2016-09-28 16:23:05 +0200
commit61fcc8c78174f92fbdad0a7f86b5086619b05ed9 (patch)
tree59294ba81ba1393d9ba02247d8d83cb95d953625 /editors
parentb09ab448b8553742ce0bf1a7df806dcac84bca7c (diff)
downloadbusybox-61fcc8c78174f92fbdad0a7f86b5086619b05ed9.tar.gz
vi: fix '' command (goto to prev context)
The '' command in vi doesn't currently work because after the first apostrophe is read, the next character is converted to an integer between 0 and 25 inclusive (for indexing the array of marks). The comparison of the converted character with an apostrophe therefore never succeeds, meaning that '' doesn't do anything. Based on the patch by Francis Rounds <francis.rounds@4bridgeworks.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors')
-rw-r--r--editors/vi.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/editors/vi.c b/editors/vi.c
index c142dacd7..38a4692fd 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -2722,9 +2722,8 @@ static char *swap_context(char *p) // goto new context for '' command make this
// only swap context if other context is valid
if (text <= mark[27] && mark[27] <= end - 1) {
tmp = mark[27];
- mark[27] = mark[26];
- mark[26] = tmp;
- p = mark[26]; // where we are going- previous context
+ mark[27] = p;
+ mark[26] = p = tmp;
context_start = prev_line(prev_line(prev_line(p)));
context_end = next_line(next_line(next_line(p)));
}
@@ -3618,8 +3617,9 @@ static void do_cmd(int c)
}
break;
case '\'': // '- goto a specific mark
- c1 = (get_one_char() | 0x20) - 'a';
- if ((unsigned)c1 <= 25) { // a-z?
+ c1 = (get_one_char() | 0x20);
+ if ((unsigned)(c1 - 'a') <= 25) { // a-z?
+ c1 = (c1 - 'a');
// get the b-o-l
q = mark[c1];
if (text <= q && q < end) {