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speedups for character processing in a multibyte locale when expanding $'...'; cosmetic fix for select command when read returns EOF; fix for a forced interactive shell running under emacs with a pipe for stdin; fix for local nameref variables with the same name as variables in a function's temporary environment; fix for x=y local -n x' not making x' visible as a local variable; turn off nameref attribute for local nameref variables converted to arrays

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This commit is contained in:
Chet Ramey
2025-10-27 10:42:10 -04:00
parent 403b32faf6
commit c299f535be
14 changed files with 262 additions and 78 deletions
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lib/sh/strtrans.c
+10 -6
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@@ -63,7 +63,7 @@ ansicstr (const char *string, size_t len, int flags, int *sawc, size_t *rlen)
if (string == 0 || *string == '\0')
return ((char *)0);
mb_cur_max = MB_CUR_MAX;
mb_cur_max = locale_mb_cur_max;
#if defined (HANDLE_MULTIBYTE)
temp = 4*len + 4;
if (temp < 12)
@@ -79,8 +79,10 @@ ansicstr (const char *string, size_t len, int flags, int *sawc, size_t *rlen)
{
clen = 1;
#if defined (HANDLE_MULTIBYTE)
if ((locale_utf8locale && (c & 0x80)) ||
(locale_utf8locale == 0 && mb_cur_max > 0 && is_basic (c) == 0))
/* We read an entire multibyte character at a time if we are in a
locale where a backslash can possibly appear as part of a
multibyte character. UTF-8 encodings prohibit this. */
if (locale_utf8locale == 0 && mb_cur_max > 0 && is_basic (c) == 0)
{
clen = mbrtowc (&wc, s - 1, mb_cur_max, 0);
if (MB_NULLWCH (clen))
@@ -262,9 +264,10 @@ ansic_quote (const char *str, int flags, int *rlen)
break;
default:
#if defined (HANDLE_MULTIBYTE)
if (is_basic (c) == 0)
if ((locale_utf8locale && (c & 0x80)) ||
(locale_utf8locale == 0 && locale_mb_cur_max > 1 && is_basic (c) == 0))
{
clen = mbrtowc (&wc, s, MB_CUR_MAX, &state);
clen = mbrtowc (&wc, s, locale_mb_cur_max, &state);
if (MB_NULLWCH (clen))
goto quote_end;
if (MB_INVALIDCH (clen))
@@ -346,7 +349,8 @@ ansic_shouldquote (const char *string)
for (s = string; c = *s; s++)
{
#if defined (HANDLE_MULTIBYTE)
if (is_basic (c) == 0)
if ((locale_utf8locale && (c & 0x80)) ||
(locale_utf8locale == 0 && locale_mb_cur_max > 1 && is_basic (c) == 0))
return (ansic_wshouldquote (s));
#endif
if (ISPRINT (c) == 0)