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-rw-r--r--argp/argp-help.c189
1 files changed, 88 insertions, 101 deletions
diff --git a/argp/argp-help.c b/argp/argp-help.c
index 67018709d3..c12b10e235 100644
--- a/argp/argp-help.c
+++ b/argp/argp-help.c
@@ -1,5 +1,6 @@
/* Hierarchial argument parsing help output
- Copyright (C) 1995-2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1995-2003, 2004, 2005, 2006, 2007
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Miles Bader <miles@gnu.ai.mit.edu>.
@@ -48,7 +49,8 @@ char *alloca ();
#include <stdarg.h>
#include <ctype.h>
#include <limits.h>
-#ifdef USE_IN_LIBIO
+#ifdef _LIBC
+# include <../libio/libioP.h>
# include <wchar.h>
#endif
@@ -127,40 +129,37 @@ 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,
- 0
+ USAGE_INDENT, RMARGIN
};
/* A particular uparam, and what the user name is. */
struct uparam_name
{
- const char *name; /* User name. */
- int is_bool; /* Whether it's `boolean'. */
- size_t uparams_offs; /* Location of the (int) field in UPARAMS. */
+ const char name[14]; /* User name. */
+ bool is_bool; /* Whether it's `boolean'. */
+ uint8_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", 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 }
+ { "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) }
};
+#define nuparam_names (sizeof (uparam_names) / sizeof (uparam_names[0]))
/* Read user options from the environment, and fill in UPARAMS appropiately. */
static void
@@ -216,22 +215,27 @@ fill_in_uparams (const struct argp_state *state)
SKIPWS (arg);
}
- for (un = uparam_names; un->name; un++)
+ un = uparam_names;
+ size_t u;
+ for (u = 0; u < nuparam_names; ++un, ++u)
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->root_argp->argp_domain, "\
+ dgettext (state == NULL ? NULL
+ : 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 (! un->name)
+ if (u == nuparam_names)
__argp_failure (state, 0, 0,
- dgettext (state->root_argp->argp_domain, "\
+ dgettext (state == NULL ? NULL
+ : state->root_argp->argp_domain, "\
%.*s: Unknown ARGP_HELP_FMT parameter"),
(int) var_len, var);
@@ -242,7 +246,8 @@ fill_in_uparams (const struct argp_state *state)
else if (*var)
{
__argp_failure (state, 0, 0,
- dgettext (state->root_argp->argp_domain,
+ dgettext (state == NULL ? NULL
+ : state->root_argp->argp_domain,
"Garbage in ARGP_HELP_FMT: %s"), var);
break;
}
@@ -668,9 +673,9 @@ 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
@@ -758,9 +763,9 @@ hol_entry_cmp (const struct hol_entry *entry1,
const char *long2 = hol_entry_first_long (entry2);
if (doc1)
- doc1 = canon_doc_option (&long1);
+ doc1 = long1 != NULL && canon_doc_option (&long1);
if (doc2)
- doc2 = canon_doc_option (&long2);
+ doc2 = long2 != NULL && canon_doc_option (&long2);
if (doc1 != doc2)
/* `documentation' options always follow normal options (or
@@ -983,7 +988,7 @@ static const char *
filter_doc (const char *doc, int key, const struct argp *argp,
const struct argp_state *state)
{
- if (argp->help_filter)
+ if (argp && argp->help_filter)
/* We must apply a user filter to this output. */
{
void *input = __argp_input (argp, state);
@@ -1101,7 +1106,9 @@ 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->root_argp->argp_domain, stream);
+ arg (real, " %s", "[%s]",
+ state == NULL ? NULL : state->root_argp->argp_domain,
+ stream);
else if (real->arg)
hhstate->suppressed_dup_arg = 1;
}
@@ -1121,26 +1128,22 @@ 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->root_argp->argp_domain,
+ dgettext (state == NULL ? NULL
+ : 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);
- 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;
+ arg (real, "=%s", "[=%s]",
+ state == NULL ? NULL : state->root_argp->argp_domain, stream);
}
}
@@ -1159,7 +1162,8 @@ hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
}
else
{
- const char *tstr = real->doc ? dgettext (state->root_argp->argp_domain,
+ const char *tstr = real->doc ? dgettext (state == NULL ? NULL
+ : state->root_argp->argp_domain,
real->doc) : 0;
const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
if (fstr && *fstr)
@@ -1207,7 +1211,8 @@ hol_help (struct hol *hol, const struct argp_state *state,
if (hhstate.suppressed_dup_arg && uparams.dup_args_note)
{
- const char *tstr = dgettext (state->root_argp->argp_domain, "\
+ const char *tstr = dgettext (state == NULL ? NULL
+ : 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,
@@ -1554,8 +1559,7 @@ _help (const struct argp *argp, const struct argp_state *state, FILE *stream,
__flockfile (stream);
#endif
- if (! uparams.valid)
- fill_in_uparams (state);
+ fill_in_uparams (state);
fs = __argp_make_fmtstream (stream, 0, uparams.rmargin, 0);
if (! fs)
@@ -1763,33 +1767,26 @@ __argp_error (const struct argp_state *state, const char *fmt, ...)
va_start (ap, fmt);
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (stream, 0) > 0)
- {
- char *buf;
+#ifdef _LIBC
+ char *buf;
- if (__asprintf (&buf, fmt, ap) < 0)
- buf = NULL;
+ if (_IO_vasprintf (&buf, fmt, ap) < 0)
+ buf = NULL;
- __fwprintf (stream, L"%s: %s\n",
- state ? state->name : __argp_short_program_name (),
- buf);
+ __fxprintf (stream, "%s: %s\n",
+ state ? state->name : __argp_short_program_name (), buf);
- free (buf);
- }
- else
-#endif
- {
- fputs_unlocked (state
- ? state->name : __argp_short_program_name (),
- stream);
- putc_unlocked (':', stream);
- putc_unlocked (' ', stream);
+ free (buf);
+#else
+ 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);
- }
+ putc_unlocked ('\n', stream);
+#endif
__argp_state_help (state, stream, ARGP_HELP_STD_ERR);
@@ -1827,41 +1824,34 @@ __argp_failure (const struct argp_state *state, int status, int errnum,
__flockfile (stream);
#endif
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (stream, 0) > 0)
- __fwprintf (stream, L"%s",
- state ? state->name : __argp_short_program_name ());
- else
+#ifdef _LIBC
+ __fxprintf (stream, "%s",
+ state ? state->name : __argp_short_program_name ());
+#else
+ fputs_unlocked (state ? state->name : __argp_short_program_name (),
+ stream);
#endif
- fputs_unlocked (state
- ? state->name : __argp_short_program_name (),
- stream);
if (fmt)
{
va_list ap;
va_start (ap, fmt);
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (stream, 0) > 0)
- {
- char *buf;
+#ifdef _LIBC
+ char *buf;
- if (__asprintf (&buf, fmt, ap) < 0)
- buf = NULL;
+ if (_IO_vasprintf (&buf, fmt, ap) < 0)
+ buf = NULL;
- __fwprintf (stream, L": %s", buf);
+ __fxprintf (stream, ": %s", buf);
- free (buf);
- }
- else
-#endif
- {
- putc_unlocked (':', stream);
- putc_unlocked (' ', stream);
+ free (buf);
+#else
+ putc_unlocked (':', stream);
+ putc_unlocked (' ', stream);
- vfprintf (stream, fmt, ap);
- }
+ vfprintf (stream, fmt, ap);
+#endif
va_end (ap);
}
@@ -1870,21 +1860,18 @@ __argp_failure (const struct argp_state *state, int status, int errnum,
{
char buf[200];
-#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);
+#ifdef _LIBC
+ __fxprintf (stream, ": %s",
+ __strerror_r (errnum, buf, sizeof (buf)));
#else
- fputs (strerror (errnum), stream);
+ putc_unlocked (':', stream);
+ putc_unlocked (' ', stream);
+# ifdef HAVE_STRERROR_R
+ fputs (__strerror_r (errnum, buf, sizeof (buf)), stream);
+# else
+ fputs (strerror (errnum), stream);
+# endif
#endif
- }
}
#ifdef USE_IN_LIBIO