Ikeda/argp-standalone
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Check for libintl header and add dgettext wrapper.

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The dgettext_safe wrapper is used in the few situations where it wasn't
possible to immediatelly tell that the msgid parameter wasn't NULL.
We can probably add some debug printing code here at some point to try
and bring bugs upstream, if it makes sense.

Some inspiration from https://github.com/xhebox/libuargp
This commit is contained in:
Érico Rolim 2021-02-16 01:47:29 -03:00
parent da0206414d
commit e5fe9ad9e8
2 changed files with 10 additions and 7 deletions
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15
argp-help.c
View file

@ -56,9 +56,9 @@ char *alloca ();
#ifndef _
/* This is for other GNU distributions with internationalized messages. */
# if defined HAVE_LIBINTL_H || defined _LIBC
# if defined HAVE_LIBINTL_H || 0
# include <libintl.h>
# ifdef _LIBC
# if 0
# undef dgettext
# define dgettext(domain, msgid) \
__dcgettext (domain, msgid, LC_MESSAGES)
@ -68,6 +68,9 @@ char *alloca ();
# endif
#endif
/* can't use macro due to double evaluation */
static char * dgettext_safe(const char *d, const char *m) { return m ? dgettext(d, m) : NULL; }
#include <argp.h>
#include <argp-fmtstream.h>
#include "argp-namefrob.h"
@ -996,7 +999,7 @@ static void
print_header (const char *str, const struct argp *argp,
struct pentry_state *pest)
{
const char *tstr = dgettext (argp->argp_domain, str);
const char *tstr = dgettext_safe (argp->argp_domain, str);
const char *fstr = filter_doc (tstr, ARGP_KEY_HELP_HEADER, argp, pest->state);
if (fstr)
@ -1150,7 +1153,7 @@ hol_entry_help (struct hol_entry *entry, const struct argp_state *state,
}
else
{
const char *tstr = real->doc ? dgettext (state == NULL ? NULL
const char *tstr = real->doc ? dgettext_safe (state == NULL ? NULL
: state->root_argp->argp_domain,
real->doc) : 0;
const char *fstr = filter_doc (tstr, real->key, entry->argp, state);
@ -1387,7 +1390,7 @@ argp_args_usage (const struct argp *argp, const struct argp_state *state,
char *our_level = *levels;
int multiple = 0;
const struct argp_child *child = argp->children;
const char *tdoc = dgettext (argp->argp_domain, argp->args_doc), *nl = 0;
const char *tdoc = dgettext_safe (argp->argp_domain, argp->args_doc), *nl = 0;
const char *fdoc = filter_doc (tdoc, ARGP_KEY_HELP_ARGS_DOC, argp, state);
if (fdoc)
@ -1452,7 +1455,7 @@ argp_doc (const struct argp *argp, const struct argp_state *state,
void *input = 0;
int anything = 0;
size_t inp_text_limit = 0;
const char *doc = dgettext (argp->argp_domain, argp->doc);
const char *doc = dgettext_safe (argp->argp_domain, argp->doc);
const struct argp_child *child = argp->children;
if (doc)

2
configure.ac
View file

@ -26,7 +26,7 @@ fi
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(limits.h malloc.h unistd.h)
AC_CHECK_HEADERS(limits.h malloc.h unistd.h libintl.h)
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST