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authorVictor Stinner <vstinner@python.org>2024-06-27 11:58:44 +0200
committerGitHub <noreply@github.com>2024-06-27 09:58:44 +0000
commit12af8ec864225248c3d2916cb142a5e7ee36cbe2 (patch)
treed29a5c87668a1cd1e67ceee0b9074ce7f2c74392 /Objects/stringlib/codecs.h
parent4999e0bda091826fcdf303dd439364e1d303a5ce (diff)
downloadcpython-12af8ec864225248c3d2916cb142a5e7ee36cbe2.tar.gz
cpython-12af8ec864225248c3d2916cb142a5e7ee36cbe2.zip
gh-121040: Use __attribute__((fallthrough)) (#121044)
Fix warnings when using -Wimplicit-fallthrough compiler flag. Annotate explicitly "fall through" switch cases with a new _Py_FALLTHROUGH macro which uses __attribute__((fallthrough)) if available. Replace "fall through" comments with _Py_FALLTHROUGH. Add _Py__has_attribute() macro. No longer define __has_attribute() macro if it's not defined. Move also _Py__has_builtin() at the top of pyport.h. Co-Authored-By: Nikita Sobolev <mail@sobolevn.me>
Diffstat (limited to 'Objects/stringlib/codecs.h')
-rw-r--r--Objects/stringlib/codecs.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/Objects/stringlib/codecs.h b/Objects/stringlib/codecs.h
index f98e71c3fc6..440410d0aef 100644
--- a/Objects/stringlib/codecs.h
+++ b/Objects/stringlib/codecs.h
@@ -331,7 +331,7 @@ STRINGLIB(utf8_encoder)(_PyBytesWriter *writer,
case _Py_ERROR_REPLACE:
memset(p, '?', endpos - startpos);
p += (endpos - startpos);
- /* fall through */
+ _Py_FALLTHROUGH;
case _Py_ERROR_IGNORE:
i += (endpos - startpos - 1);
break;
@@ -379,7 +379,7 @@ STRINGLIB(utf8_encoder)(_PyBytesWriter *writer,
}
startpos = k;
assert(startpos < endpos);
- /* fall through */
+ _Py_FALLTHROUGH;
default:
rep = unicode_encode_call_errorhandler(
errors, &error_handler_obj, "utf-8", "surrogates not allowed",