diff options
| -rw-r--r-- | shell/ash.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/shell/ash.c b/shell/ash.c index 3b8aac5..4ead6f9 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -2121,6 +2121,22 @@ lookupvar(const char *name) return NULL; } +static void reinit_unicode_for_ash(void) +{ + /* Unicode support should be activated even if LANG is set + * _during_ shell execution, not only if it was set when + * shell was started. Therefore, re-check LANG every time: + */ + if (ENABLE_FEATURE_CHECK_UNICODE_IN_ENV + || ENABLE_UNICODE_USING_LOCALE + ) { + const char *s = lookupvar("LC_ALL"); + if (!s) s = lookupvar("LC_CTYPE"); + if (!s) s = lookupvar("LANG"); + reinit_unicode(s); + } +} + /* * Search the environment of a builtin command. */ @@ -6798,7 +6814,15 @@ evalvar(char *p, int flags, struct strlist *var_str_list) varunset(p, var, 0, 0); if (subtype == VSLENGTH) { - cvtnum(varlen > 0 ? varlen : 0); + ssize_t n = varlen; + if (n > 0) { + reinit_unicode_for_ash(); + if (unicode_status == UNICODE_ON) { + const char *val = lookupvar(var); + n = unicode_strlen(val); + } + } + cvtnum(n > 0 ? n : 0); goto record; } @@ -9657,18 +9681,7 @@ preadfd(void) # if ENABLE_FEATURE_TAB_COMPLETION line_input_state->path_lookup = pathval(); # endif - /* Unicode support should be activated even if LANG is set - * _during_ shell execution, not only if it was set when - * shell was started. Therefore, re-check LANG every time: - */ - if (ENABLE_FEATURE_CHECK_UNICODE_IN_ENV - || ENABLE_UNICODE_USING_LOCALE - ) { - const char *s = lookupvar("LC_ALL"); - if (!s) s = lookupvar("LC_CTYPE"); - if (!s) s = lookupvar("LANG"); - reinit_unicode(s); - } + reinit_unicode_for_ash(); nr = read_line_input(line_input_state, cmdedit_prompt, buf, IBUFSIZ, timeout); if (nr == 0) { /* Ctrl+C pressed */ |