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authorRon Yorston2021-04-25 11:52:55 +0100
committerDenys Vlasenko2021-04-28 11:29:33 +0200
commit09172582daa98f575a711de2f0e3cf3bf88b8346 (patch)
treeac5fe32ad6737d8fb7ce78705fe547cc7f9ccb5b
parent3b9233f05fc82029529f74fdce0e453d7fb73997 (diff)
downloadbusybox-09172582daa98f575a711de2f0e3cf3bf88b8346.zip
busybox-09172582daa98f575a711de2f0e3cf3bf88b8346.tar.gz
vi: saving unnamed file in readonly mode
Suppose vi is started with the command 'vi -R', that is, in readonly mode with no filename. Attempting to save the file with 'ZZ' or ':w' results in the message: '(null)' is read only Skip the code which prints this if no filename was provided, thus falling through to file_write() which gives the more helpful message 'No current filename'. function old new delta colon 3867 3874 +7 do_cmd 4668 4673 +5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 12/0) Total: 12 bytes Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--editors/vi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/editors/vi.c b/editors/vi.c
index d818127..a38f218 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -3054,7 +3054,7 @@ static void colon(char *buf)
fn = args;
}
# if ENABLE_FEATURE_VI_READONLY
- else if (readonly_mode && !useforce) {
+ else if (readonly_mode && !useforce && fn) {
status_line_bold("'%s' is read only", fn);
goto ret;
}
@@ -3996,7 +3996,7 @@ static void do_cmd(int c)
break;
}
if (modified_count) {
- if (ENABLE_FEATURE_VI_READONLY && readonly_mode) {
+ if (ENABLE_FEATURE_VI_READONLY && readonly_mode && current_filename) {
status_line_bold("'%s' is read only", current_filename);
break;
}