https://bugs.llvm.org/show_bug.cgi?id=39677
Bug ID: 39677
Summary: clang-format inserts spurious Carriage Returns in
C-style block comment
Product: new-bugs
Version: 6.0
Hardware: All
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: mark.lan...@beamdog.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org
Created attachment 21126
--> https://bugs.llvm.org/attachment.cgi?id=21126&action=edit
Example Code
**Issue**
When clang-format is run on a C/C++ file with a C-style block comment, if the
block comment contains a non-empty line with only spaces/tabs on it, and the
file uses CRLF line endings, then that line will have a naked Carriage Return
appended to it. Each time clang-format is run on the document an additional
Carriage Return will be added in this way.
**More Details**
The issue seems to occur with any .clang-format settings that I try, and will
never occur with Unix style line endings. Tested with version 6.0.1 and 8.0.0,
issues occurs on both.
**Example**
See attached test.cpp. Run clang-format -i test.cpp on it without a
.clang-format file present.
**Expected behavior**
The line with only 4 spaces on it is cleared (or preserved, I don't know what
the default behavior is supposed to be).
**Observed behavior**
The line with only 4 spaces on it is preserved, and an additional Carriage
Return character is added after the 4 spaces.
**Probable cause**
I'm guessing that there's a `substring(start of line, LF character)` used in
this case that catches the Carriage Return character as part of the line in
files with CRLF line endings.
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
