#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
+#include <unistd.h>
#ifdef _LIBC
+/* When used as part of glibc, error printing must be done differently
+ for standards compliance. getopt is not a cancellation point, so
+ it must not call functions that are, and it is specified by an
+ older standard than stdio locking, so it must not refer to
+ functions in the "user namespace" related to stdio locking.
+ Finally, it must use glibc's internal message translation so that
+ the messages are looked up in the proper text domain. */
# include <libintl.h>
+# define fprintf __fxprintf_nocancel
+# define flockfile(fp) _IO_flockfile (fp)
+# define funlockfile(fp) _IO_funlockfile (fp)
#else
# include "gettext.h"
# define _(msgid) gettext (msgid)
+/* When used standalone, flockfile and funlockfile might not be
+ available. */
+# ifndef _POSIX_THREAD_SAFE_FUNCTIONS
+# define flockfile(fp) /* nop */
+# define funlockfile(fp) /* nop */
+# endif
#endif
/* This implementation of 'getopt' has three modes for handling
if (d->optind == 0 || !d->__initialized)
{
if (d->optind == 0)
- d->optind = 1; /* Don't scan ARGV[0], the program name. */
+ d->optind = 1; /* Don't scan ARGV[0], the program name. */
optstring = _getopt_initialize (argc, argv, optstring, d,
posixly_correct);
d->__initialized = 1;
first.next = ambig_list;
ambig_list = &first;
-#if defined _LIBC
- char *buf = NULL;
- size_t buflen = 0;
-
- FILE *fp = __open_memstream (&buf, &buflen);
- if (fp != NULL)
- {
- fprintf (fp,
- _("%s: option '%s' is ambiguous; possibilities:"),
- argv[0], argv[d->optind]);
-
- do
- {
- fprintf (fp, " '--%s'", ambig_list->p->name);
- ambig_list = ambig_list->next;
- }
- while (ambig_list != NULL);
-
- fputc_unlocked ('\n', fp);
+ flockfile (stderr);
- if (__glibc_likely (fclose (fp) != EOF))
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
- }
-#else
fprintf (stderr,
_("%s: option '%s' is ambiguous; possibilities:"),
argv[0], argv[d->optind]);
}
while (ambig_list != NULL);
- fputc ('\n', stderr);
-#endif
+ /* This must use 'fprintf' even though it's only printing a
+ single character, so that it goes through __fxprintf_nocancel
+ when compiled as part of glibc. */
+ fprintf (stderr, "\n");
+ funlockfile (stderr);
}
else if (print_errors && ambig)
{
{
if (print_errors)
{
-#if defined _LIBC
- char *buf;
- int n;
-#endif
-
if (argv[d->optind - 1][1] == '-')
- {
- /* --option */
-#if defined _LIBC
- n = __asprintf (&buf, _("\
-%s: option '--%s' doesn't allow an argument\n"),
- argv[0], pfound->name);
-#else
- fprintf (stderr, _("\
+ /* --option */
+ fprintf (stderr, _("\
%s: option '--%s' doesn't allow an argument\n"),
- argv[0], pfound->name);
-#endif
- }
+ argv[0], pfound->name);
else
- {
- /* +option or -option */
-#if defined _LIBC
- n = __asprintf (&buf, _("\
-%s: option '%c%s' doesn't allow an argument\n"),
- argv[0], argv[d->optind - 1][0],
- pfound->name);
-#else
- fprintf (stderr, _("\
+ /* +option or -option */
+ fprintf (stderr, _("\
%s: option '%c%s' doesn't allow an argument\n"),
- argv[0], argv[d->optind - 1][0],
- pfound->name);
-#endif
- }
-
-#if defined _LIBC
- if (n >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2
- |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
-#endif
+ argv[0], argv[d->optind - 1][0],
+ pfound->name);
}
d->__nextchar += strlen (d->__nextchar);
else
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
-
- if (__asprintf (&buf, _("\
-%s: option '--%s' requires an argument\n"),
- argv[0], pfound->name) >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2
- |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
+ fprintf (stderr,
+ _("%s: option '--%s' requires an argument\n"),
+ argv[0], pfound->name);
- free (buf);
- }
-#else
- fprintf (stderr,
- _("%s: option '--%s' requires an argument\n"),
- argv[0], pfound->name);
-#endif
- }
d->__nextchar += strlen (d->__nextchar);
d->optopt = pfound->val;
return optstring[0] == ':' ? ':' : '?';
{
if (print_errors)
{
-#if defined _LIBC
- char *buf;
- int n;
-#endif
-
if (argv[d->optind][1] == '-')
- {
- /* --option */
-#if defined _LIBC
- n = __asprintf (&buf, _("%s: unrecognized option '--%s'\n"),
- argv[0], d->__nextchar);
-#else
- fprintf (stderr, _("%s: unrecognized option '--%s'\n"),
- argv[0], d->__nextchar);
-#endif
- }
+ /* --option */
+ fprintf (stderr, _("%s: unrecognized option '--%s'\n"),
+ argv[0], d->__nextchar);
else
- {
- /* +option or -option */
-#if defined _LIBC
- n = __asprintf (&buf, _("%s: unrecognized option '%c%s'\n"),
- argv[0], argv[d->optind][0], d->__nextchar);
-#else
- fprintf (stderr, _("%s: unrecognized option '%c%s'\n"),
- argv[0], argv[d->optind][0], d->__nextchar);
-#endif
- }
-
-#if defined _LIBC
- if (n >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
-#endif
+ /* +option or -option */
+ fprintf (stderr, _("%s: unrecognized option '%c%s'\n"),
+ argv[0], argv[d->optind][0], d->__nextchar);
}
d->__nextchar = (char *) "";
d->optind++;
if (temp == NULL || c == ':' || c == ';')
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
- int n;
-#endif
-
-#if defined _LIBC
- n = __asprintf (&buf, _("%s: invalid option -- '%c'\n"),
- argv[0], c);
-#else
- fprintf (stderr, _("%s: invalid option -- '%c'\n"), argv[0], c);
-#endif
-
-#if defined _LIBC
- if (n >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
-#endif
- }
+ fprintf (stderr, _("%s: invalid option -- '%c'\n"), argv[0], c);
d->optopt = c;
return '?';
}
else if (d->optind == argc)
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
-
- if (__asprintf (&buf,
- _("%s: option requires an argument -- '%c'\n"),
- argv[0], c) >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
+ fprintf (stderr,
+ _("%s: option requires an argument -- '%c'\n"),
+ argv[0], c);
- free (buf);
- }
-#else
- fprintf (stderr,
- _("%s: option requires an argument -- '%c'\n"),
- argv[0], c);
-#endif
- }
d->optopt = c;
if (optstring[0] == ':')
c = ':';
if (ambig && !exact)
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
+ fprintf (stderr, _("%s: option '-W %s' is ambiguous\n"),
+ argv[0], d->optarg);
- if (__asprintf (&buf, _("%s: option '-W %s' is ambiguous\n"),
- argv[0], d->optarg) >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
-#else
- fprintf (stderr, _("%s: option '-W %s' is ambiguous\n"),
- argv[0], d->optarg);
-#endif
- }
d->__nextchar += strlen (d->__nextchar);
return '?';
}
else
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
-
- if (__asprintf (&buf, _("\
-%s: option '-W %s' doesn't allow an argument\n"),
- argv[0], pfound->name) >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2
- |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
-#else
- fprintf (stderr, _("\
+ fprintf (stderr, _("\
%s: option '-W %s' doesn't allow an argument\n"),
- argv[0], pfound->name);
-#endif
- }
+ argv[0], pfound->name);
d->__nextchar += strlen (d->__nextchar);
return '?';
else
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
-
- if (__asprintf (&buf, _("\
+ fprintf (stderr, _("\
%s: option '-W %s' requires an argument\n"),
- argv[0], pfound->name) >= 0)
- {
- _IO_flockfile (stderr);
-
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2
- |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
+ argv[0], pfound->name);
- free (buf);
- }
-#else
- fprintf (stderr, _("\
-%s: option '-W %s' requires an argument\n"),
- argv[0], pfound->name);
-#endif
- }
d->__nextchar += strlen (d->__nextchar);
return optstring[0] == ':' ? ':' : '?';
}
else if (d->optind == argc)
{
if (print_errors)
- {
-#if defined _LIBC
- char *buf;
-
- if (__asprintf (&buf, _("\
-%s: option requires an argument -- '%c'\n"),
- argv[0], c) >= 0)
- {
- _IO_flockfile (stderr);
+ fprintf (stderr,
+ _("%s: option requires an argument -- '%c'\n"),
+ argv[0], c);
- int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
- ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
-
- __fxprintf (NULL, "%s", buf);
-
- ((_IO_FILE *) stderr)->_flags2 = old_flags2;
- _IO_funlockfile (stderr);
-
- free (buf);
- }
-#else
- fprintf (stderr,
- _("%s: option requires an argument -- '%c'\n"),
- argv[0], c);
-#endif
- }
d->optopt = c;
if (optstring[0] == ':')
c = ':';