From: Sören Tempel <[email protected]>
POSIX.1-2008 mandates the following regarding the file command-line
argument:
If the file argument is given, ed shall simulate an e command
on the file named by the pathname […]
The specification for the e command mandates the following behaviour
regarding the current line number in POSIX.1-2008:
The current line number shall be set to the address of the last
line of the buffer.
However, without this commit, busybox ed will set the current line
number to 1 if a file is given on the command-line and this file is not
empty (lastNum != 0). This is incorrect and fixed in this commit by not
modifying the current line number in ed_main(). As such, the current
line number will be zero for empty files and otherwise be set to the
address of the last line of the buffer.
Signed-off-by: Sören Tempel <[email protected]>
---
editors/ed.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/editors/ed.c b/editors/ed.c
index 14540e566..cb903bca7 100644
--- a/editors/ed.c
+++ b/editors/ed.c
@@ -1010,8 +1010,6 @@ int ed_main(int argc UNUSED_PARAM, char **argv)
if (!readLines(fileName, 1)) {
return EXIT_SUCCESS;
}
- if (lastNum)
- setCurNum(1);
dirty = FALSE;
}
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