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author | Alan Wu <XrXr@users.noreply.github.com> | 2022-08-03 10:48:43 -0400 |
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committer | Alan Wu <XrXr@users.noreply.github.com> | 2022-08-05 14:34:08 -0400 |
commit | ca8daf70fa7045aa1e505514497d1ac4720a6b16 (patch) | |
tree | 4f0699398170e420dd1eaccd1ba28cdefbb677e7 | |
parent | f1057393da7a98e447ee7679db69aeec8f4d1650 (diff) | |
download | ruby-ca8daf70fa7045aa1e505514497d1ac4720a6b16.tar.gz |
[DOC] Mention Windows text mode EOF marker interpretation
I don't think this is super well known so it's worth mentioning as it
can be a pitfall.
See: https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/fopen-wfopen?view=msvc-170
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
-rw-r--r-- | io.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -14504,9 +14504,11 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y) * Either of the following may be suffixed to any of the string read/write modes above: * * - <tt>'t'</tt>: Text data; sets the default external encoding to +Encoding::UTF_8+; - * on Windows, enables conversion between EOL and CRLF. + * on Windows, enables conversion between EOL and CRLF and enables interpreting +0x1A+ + * as an end-of-file marker. * - <tt>'b'</tt>: Binary data; sets the default external encoding to +Encoding::ASCII_8BIT+; - * on Windows, suppresses conversion between EOL and CRLF. + * on Windows, suppresses conversion between EOL and CRLF and disables interpreting +0x1A+ + * as an end-of-file marker. * * If neither is given, the stream defaults to text data. * |