(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 101 insertions, 88 deletions

diff --git a/argp/argp-help.c b/argp/argp-help.c
index c12b10e..6701870 100644
--- a/argp/argp-help.c
+++ b/argp/argp-help.c
@@ -1,6 +1,5 @@
 /* Hierarchial argument parsing help output
-   Copyright (C) 1995-2003, 2004, 2005, 2006, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1995-2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Written by Miles Bader <miles@gnu.ai.mit.edu>.
 
@@ -49,8 +48,7 @@ char *alloca ();
 #include <stdarg.h>
 #include <ctype.h>
 #include <limits.h>
-#ifdef _LIBC
-# include <../libio/libioP.h>
+#ifdef USE_IN_LIBIO
 # include <wchar.h>
 #endif
 
@@ -129,37 +127,40 @@ struct uparams
   int header_col;
   int usage_indent;
   int rmargin;
+
+  int valid;			/* True when the values in here are valid.  */
 };
 
 /* This is a global variable, as user options are only ever read once.  */
 static struct uparams uparams = {
   DUP_ARGS, DUP_ARGS_NOTE,
   SHORT_OPT_COL, LONG_OPT_COL, DOC_OPT_COL, OPT_DOC_COL, HEADER_COL,
-  USAGE_INDENT, RMARGIN
+  USAGE_INDENT, RMARGIN,
+  0
 };
 
 /* A particular uparam, and what the user name is.  */
 struct uparam_name
 {
-  const char name[14];		/* User name.  */
-  bool is_bool;			/* Whether it's `boolean'.  */
-  uint8_t uparams_offs;		/* Location of the (int) field in UPARAMS.  */
+  const char *name;		/* User name.  */
+  int is_bool;			/* Whether it's `boolean'.  */
+  size_t uparams_offs;		/* Location of the (int) field in UPARAMS.  */
 };
 
 /* The name-field mappings we know about.  */
 static const struct uparam_name uparam_names[] =
 {
-  { "dup-args",       true, offsetof (struct uparams, dup_args) },
-  { "dup-args-note",  true, offsetof (struct uparams, dup_args_note) },
-  { "short-opt-col",  false, offsetof (struct uparams, short_opt_col) },
-  { "long-opt-col",   false, offsetof (struct uparams, long_opt_col) },
-  { "doc-opt-col",    false, offsetof (struct uparams, doc_opt_col) },
-  { "opt-doc-col",    false, offsetof (struct uparams, opt_doc_col) },
-  { "header-col",     false, offsetof (struct uparams, header_col) },
-  { "usage-indent",   false, offsetof (struct uparams, usage_indent) },
-  { "rmargin",        false, offsetof (struct uparams, rmargin) }
+  { "dup-args",       1, offsetof (struct uparams, dup_args) },
+  { "dup-args-note",  1, offsetof (struct uparams, dup_args_note) },
+  { "short-opt-col",  0, offsetof (struct uparams, short_opt_col) },
+  { "long-opt-col",   0, offsetof (struct uparams, long_opt_col) },
+  { "doc-opt-col",    0, offsetof (struct uparams, doc_opt_col) },
+  { "opt-doc-col",    0, offsetof (struct uparams, opt_doc_col) },
+  { "header-col",     0, offsetof (struct uparams, header_col) },
+  { "usage-indent",   0, offsetof (struct uparams, usage_indent) },
+  { "rmargin",        0, offsetof (struct uparams, rmargin) },
+  { 0 }
 };
-#define nuparam_names (sizeof (uparam_names) / sizeof (uparam_names[0]))
 
 /* Read user options from the environment, and fill in UPARAMS appropiately.  */
 static void
@@ -215,27 +216,22 @@ fill_in_uparams (const struct argp_state *state)
 		SKIPWS (arg);
 	      }
 
-	    un = uparam_names;
-	    size_t u;
-	    for (u = 0; u < nuparam_names; ++un, ++u)
+	    for (un = uparam_names; un->name; un++)
 	      if (strlen (un->name) == var_len
 		  && strncmp (var, un->name, var_len) == 0)
 		{
 		  if (unspec && !un->is_bool)
 		    __argp_failure (state, 0, 0,
-				    dgettext (state == NULL ? NULL
-					      : state->root_argp->argp_domain,
-					      "\
+				    dgettext (state->root_argp->argp_domain, "\
 %.*s: ARGP_HELP_FMT parameter requires a value"),
 				    (int) var_len, var);
 		  else
 		    *(int *)((char *)&uparams + un->uparams_offs) = val;
 		  break;
 		}
-	    if (u == nuparam_names)
+	    if (! un->name)
 	      __argp_failure (state, 0, 0,
-			      dgettext (state == NULL ? NULL
-					: state->root_argp->argp_domain, "\
+			      dgettext (state->root_argp->argp_domain, "\
 %.*s: Unknown ARGP_HELP_FMT parameter"),
 			      (int) var_len, var);
 
@@ -246,8 +242,7 @@ fill_in_uparams (const struct argp_state *state)
 	else if (*var)
 	  {
 	    __argp_failure (state, 0, 0,
-			    dgettext (state == NULL ? NULL
-				      : state->root_argp->argp_domain,
+			    dgettext (state->root_argp->argp_domain,
 				      "Garbage in ARGP_HELP_FMT: %s"), var);
 	    break;
 	  }
@@ -673,9 +668,9 @@ hol_cluster_cmp (const struct hol_cluster *cl1, const struct hol_cluster *cl2)
 {
   /* If one cluster is deeper than the other, use its ancestor at the same
      level, so that finding the common ancestor is straightforward.  */
-  while (cl1->depth > cl2->depth)
+  while (cl1->depth < cl2->depth)
     cl1 = cl1->parent;
-  while (cl2->depth > cl1->depth)
+  while (cl2->depth < cl1->depth)
     cl2 = cl2->parent;
 
   /* Now reduce both clusters to their ancestors at the point where both have
@@ -763,9 +758,9 @@ hol_entry_cmp (const struct hol_entry *entry1,
       const char *long2 = hol_entry_first_long (entry2);
 
       if (doc1)
-	doc1 = long1 != NULL && canon_doc_option (&long1);
+	doc1 = canon_doc_option (&long1);
       if (doc2)
-	doc2 = long2 != NULL && canon_doc_option (&long2);
+	doc2 = canon_doc_option (&long2);
 
       if (doc1 != doc2)
 	/* `documentation' options always follow normal options (or
@@ -988,7 +983,7 @@ static const char *
 filter_doc (const char *doc, int key, const struct argp *argp,
 	    const struct argp_state *state)
 {
-  if (argp && argp->help_filter)
+  if (argp->help_filter)
     /* We must apply a user filter to this output.  */
     {
       void *input = __argp_input (argp, state);
@@ -1106,9 +1101,7 @@ hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
 	    __argp_fmtstream_putc (stream, '-');
 	    __argp_fmtstream_putc (stream, *so);
 	    if (!have_long_opt || uparams.dup_args)
-	      arg (real, " %s", "[%s]",
-		   state == NULL ? NULL : state->root_argp->argp_domain,
-		   stream);
+	      arg (real, " %s", "[%s]", state->root_argp->argp_domain, stream);
 	    else if (real->arg)
 	      hhstate->suppressed_dup_arg = 1;
 	  }
@@ -1128,22 +1121,26 @@ hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
 	       have been done on the original; but documentation options
 	       should be pretty rare anyway...  */
 	    __argp_fmtstream_puts (stream,
-				   dgettext (state == NULL ? NULL
-					     : state->root_argp->argp_domain,
+				   dgettext (state->root_argp->argp_domain,
 					     opt->name));
 	  }
     }
   else
     /* A real long option.  */
     {
+      int first_long_opt = 1;
+
       __argp_fmtstream_set_wmargin (stream, uparams.long_opt_col);
       for (opt = real, num = entry->num; num > 0; opt++, num--)
 	if (opt->name && ovisible (opt))
 	  {
 	    comma (uparams.long_opt_col, &pest);
 	    __argp_fmtstream_printf (stream, "--%s", opt->name);
-	    arg (real, "=%s", "[=%s]",
-		 state == NULL ? NULL : state->root_argp->argp_domain, stream);
+	    if (first_long_opt || uparams.dup_args)
+	      arg (real, "=%s", "[=%s]", state->root_argp->argp_domain,
+		   stream);
+	    else if (real->arg)
+	      hhstate->suppressed_dup_arg = 1;
 	  }
     }
 
@@ -1162,8 +1159,7 @@ hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
     }
   else
     {
-      const char *tstr = real->doc ? dgettext (state == NULL ? NULL
-					       : state->root_argp->argp_domain,
+      const char *tstr = real->doc ? dgettext (state->root_argp->argp_domain,
 					       real->doc) : 0;
       const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
       if (fstr && *fstr)
@@ -1211,8 +1207,7 @@ hol_help (struct hol *hol, const struct argp_state *state,
 
   if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
     {
-      const char *tstr = dgettext (state == NULL ? NULL
-				   : state->root_argp->argp_domain, "\
+      const char *tstr = dgettext (state->root_argp->argp_domain, "\
 Mandatory or optional arguments to long options are also mandatory or \
 optional for any corresponding short options.");
       const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_DUP_ARGS_NOTE,
@@ -1559,7 +1554,8 @@ _help (const struct argp *argp, const struct argp_state *state, FILE *stream,
   __flockfile (stream);
 #endif
 
-  fill_in_uparams (state);
+  if (! uparams.valid)
+    fill_in_uparams (state);
 
   fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
   if (! fs)
@@ -1767,26 +1763,33 @@ __argp_error (const struct argp_state *state, const char *fmt, ...)
 
 	  va_start (ap, fmt);
 
-#ifdef _LIBC
-	  char *buf;
+#ifdef USE_IN_LIBIO
+	  if (_IO_fwide (stream, 0) > 0)
+	    {
+	      char *buf;
 
-	  if (_IO_vasprintf (&buf, fmt, ap) < 0)
-	    buf = NULL;
+	      if (__asprintf (&buf, fmt, ap) < 0)
+		buf = NULL;
 
-	  __fxprintf (stream, "%s: %s\n",
-		      state ? state->name : __argp_short_program_name (), buf);
+	      __fwprintf (stream, L"%s: %s\n",
+			  state ? state->name : __argp_short_program_name (),
+			  buf);
 
-	  free (buf);
-#else
-	  fputs_unlocked (state ? state->name : __argp_short_program_name (),
-			  stream);
-	  putc_unlocked (':', stream);
-	  putc_unlocked (' ', stream);
+	      free (buf);
+	    }
+	  else
+#endif
+	    {
+	      fputs_unlocked (state
+			      ? state->name : __argp_short_program_name (),
+			      stream);
+	      putc_unlocked (':', stream);
+	      putc_unlocked (' ', stream);
 
-	  vfprintf (stream, fmt, ap);
+	      vfprintf (stream, fmt, ap);
 
-	  putc_unlocked ('\n', stream);
-#endif
+	      putc_unlocked ('\n', stream);
+	    }
 
 	  __argp_state_help (state, stream, ARGP_HELP_STD_ERR);
 
@@ -1824,34 +1827,41 @@ __argp_failure (const struct argp_state *state, int status, int errnum,
 	  __flockfile (stream);
 #endif
 
-#ifdef _LIBC
-	  __fxprintf (stream, "%s",
-		      state ? state->name : __argp_short_program_name ());
-#else
-	  fputs_unlocked (state ? state->name : __argp_short_program_name (),
-			  stream);
+#ifdef USE_IN_LIBIO
+	  if (_IO_fwide (stream, 0) > 0)
+	    __fwprintf (stream, L"%s",
+			state ? state->name : __argp_short_program_name ());
+	  else
 #endif
+	    fputs_unlocked (state
+			    ? state->name : __argp_short_program_name (),
+			    stream);
 
 	  if (fmt)
 	    {
 	      va_list ap;
 
 	      va_start (ap, fmt);
-#ifdef _LIBC
-	      char *buf;
-
-	      if (_IO_vasprintf (&buf, fmt, ap) < 0)
-		buf = NULL;
+#ifdef USE_IN_LIBIO
+	      if (_IO_fwide (stream, 0) > 0)
+		{
+		  char *buf;
 
-	      __fxprintf (stream, ": %s", buf);
+		  if (__asprintf (&buf, fmt, ap) < 0)
+		    buf = NULL;
 
-	      free (buf);
-#else
-	      putc_unlocked (':', stream);
-	      putc_unlocked (' ', stream);
+		  __fwprintf (stream, L": %s", buf);
 
-	      vfprintf (stream, fmt, ap);
+		  free (buf);
+		}
+	      else
 #endif
+		{
+		  putc_unlocked (':', stream);
+		  putc_unlocked (' ', stream);
+
+		  vfprintf (stream, fmt, ap);
+		}
 
 	      va_end (ap);
 	    }
@@ -1860,18 +1870,21 @@ __argp_failure (const struct argp_state *state, int status, int errnum,
 	    {
 	      char buf[200];
 
-#ifdef _LIBC
-	      __fxprintf (stream, ": %s",
-			  __strerror_r (errnum, buf, sizeof (buf)));
+#ifdef USE_IN_LIBIO
+	      if (_IO_fwide (stream, 0) > 0)
+		__fwprintf (stream, L": %s",
+			    __strerror_r (errnum, buf, sizeof (buf)));
+	      else
+#endif
+		{
+		  putc_unlocked (':', stream);
+		  putc_unlocked (' ', stream);
+#if defined _LIBC || defined HAVE_STRERROR_R
+		  fputs (__strerror_r (errnum, buf, sizeof (buf)), stream);
 #else
-	      putc_unlocked (':', stream);
-	      putc_unlocked (' ', stream);
-# ifdef HAVE_STRERROR_R
-	      fputs (__strerror_r (errnum, buf, sizeof (buf)), stream);
-# else
-	      fputs (strerror (errnum), stream);
-# endif
+		  fputs (strerror (errnum), stream);
 #endif
+		}
 	    }
 
 #ifdef USE_IN_LIBIO