diff options
Diffstat (limited to 'util.c')
-rw-r--r-- | util.c | 53 |
1 files changed, 53 insertions, 0 deletions
@@ -4312,3 +4312,56 @@ Perl_sv_nounlocking(pTHX_ SV *sv) { } +U32 +Perl_parse_unicode_opts(pTHX_ char **popt) +{ + char *p = *popt; + U32 opt = 0; + + if (*p) { + if (isDIGIT(*p)) { + opt = (U32) atoi(p); + while (isDIGIT(*p)) p++; + if (*p) + Perl_croak(aTHX_ "Unknown Unicode option letter '%c'", *p); + } + else { + for (; *p; p++) { + switch (*p) { + case PERL_UNICODE_STDIN: + opt |= PERL_UNICODE_STDIN_FLAG; break; + case PERL_UNICODE_STDOUT: + opt |= PERL_UNICODE_STDOUT_FLAG; break; + case PERL_UNICODE_STDERR: + opt |= PERL_UNICODE_STDERR_FLAG; break; + case PERL_UNICODE_STD: + opt |= PERL_UNICODE_STD_FLAG; break; + case PERL_UNICODE_IN: + opt |= PERL_UNICODE_IN_FLAG; break; + case PERL_UNICODE_OUT: + opt |= PERL_UNICODE_OUT_FLAG; break; + case PERL_UNICODE_INOUT: + opt |= PERL_UNICODE_INOUT_FLAG; break; + case PERL_UNICODE_LOCALE: + opt |= PERL_UNICODE_LOCALE_FLAG; break; + case PERL_UNICODE_ARGV: + opt |= PERL_UNICODE_ARGV_FLAG; break; + default: + Perl_croak(aTHX_ + "Unknown Unicode option letter '%c'", *p); + } + } + } + } + else + opt = PERL_UNICODE_DEFAULT_FLAGS; + + if (opt & ~PERL_UNICODE_ALL_FLAGS) + Perl_croak(aTHX_ "Unknown Unicode option value 0x%"UVXf, + (UV) (opt & ~PERL_UNICODE_ALL_FLAGS)); + + *popt = p; + + return opt; +} + |