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author | Peter Stephenson <p.w.stephenson@ntlworld.com> | 2015-12-07 18:54:03 +0000 |
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committer | Peter Stephenson <p.w.stephenson@ntlworld.com> | 2015-12-07 18:54:03 +0000 |
commit | 9fb30cf572f7c5ff26e883396a5020da89d9541a (patch) | |
tree | 849916d8a6e1c2a7a044e15bb6e6fa56f0cb4155 /Src | |
parent | 0c2d823a7955981e88f7cb5b718a7081d97104f0 (diff) | |
download | zsh-9fb30cf572f7c5ff26e883396a5020da89d9541a.tar.gz zsh-9fb30cf572f7c5ff26e883396a5020da89d9541a.tar.xz zsh-9fb30cf572f7c5ff26e883396a5020da89d9541a.zip |
37331: Use a single chracter to represent an MB_INCOMPLETE.
This is as it is likely to appear as a single character in output even if it has multiple octets.
Diffstat (limited to 'Src')
-rw-r--r-- | Src/utils.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/Src/utils.c b/Src/utils.c index 45f8286df..fc2b1920e 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -5180,11 +5180,15 @@ mb_metastrlenend(char *ptr, int width, char *eptr) if (ret == MB_INCOMPLETE) { /* - * "num_in_char" is only used for incomplete characters. The - * assumption is that we will output this ocatet as a single + * "num_in_char" is only used for incomplete characters. + * The assumption is that we will output all trailing octets + * that form part of an incomplete character as a single * character (of single width) if we don't get a complete - * character; if we do get a complete character, num_in_char - * becomes irrelevant and is set to zero. + * character. This is purely pragmatic --- I'm not aware + * of a standard way of dealing with incomplete characters. + * + * If we do get a complete character, num_in_char + * becomes irrelevant and is set to zero * * This is in contrast to "num" which counts the characters * or widths in complete characters. The two are summed, @@ -5216,8 +5220,8 @@ mb_metastrlenend(char *ptr, int width, char *eptr) } } - /* If incomplete, treat remainder as trailing single bytes */ - return num + num_in_char; + /* If incomplete, treat remainder as trailing single character */ + return num + (num_in_char ? 1 : 0); } /* |