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Add strusage macro replacement feature.

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* common/argparse.c (writechar): New.
(writestrings): Add macro replacement feature.
(show_help): Remove specialized @EMAIL@ replacement.
* configure.ac (GNUPG_NAME, GPG_NAME, GPGSM_NAME): Define.
(GPG_AGENT_NAME, DIRMNGR_NAME, G13_NAME, GPGCONF_NAME): Define.
(GPGTAR_NAME, GPG_AGENT_INFO_NAME, GPG_AGENT_SOCK_NAME): Define.
(GPG_AGENT_SSH_SOCK_NAME, DIRMNGR_INFO_NAME): Define.
(DIRMNGR_SOCK_NAME): Define.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2013-11-18 13:46:52 +01:00
parent 5499942571
commit 798daaa1dd
2 changed files with 97 additions and 32 deletions
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103
common/argparse.c
View File

@ -185,6 +185,19 @@ argparse_register_outfnc (int (*fnc)(int, const char *))
}
static void
writechar (int is_error, int c)
{
char tmp[2];
tmp[0] = c;
tmp[1] = 0;
if (custom_outfnc)
custom_outfnc (is_error? 2:1, tmp);
else
fputs (tmp, is_error? stderr : stdout);
}
/* Write STRING and all following const char * arguments either to
stdout or, if IS_ERROR is set, to stderr. The list of strings must
be terminated by a NULL. */
@ -201,11 +214,64 @@ writestrings (int is_error, const char *string, ...)
va_start (arg_ptr, string);
do
{
if (custom_outfnc)
custom_outfnc (is_error? 2:1, s);
const char *s2, *s3;
/* Check whether to substitute a macro. */
if (s && (s2 = strchr (s, '@')) && s2[1] >= 'A' && s2[1] <= 'Z'
&& (s3 = (strchr (s2+1, '@'))))
{
/* Might be. */
static struct {
const char *name;
const char *value;
} macros[] = {
# ifdef PACKAGE_BUGREPORT
{ "EMAIL", PACKAGE_BUGREPORT },
# else
{ "EMAIL", "bug@example.org" },
# endif
{ "GNUPG", GNUPG_NAME },
{ "GPG", GPG_NAME },
{ "GPGSM", GPGSM_NAME },
{ "GPG_AGENT", GPG_AGENT_NAME },
{ "SCDAEMON", SCDAEMON_NAME },
{ "DIRMNGR", DIRMNGR_NAME },
{ "G13", G13_NAME },
{ "GPGCONF", GPGCONF_NAME },
{ "GPGTAR", GPGTAR_NAME }
};
int idx;
s2++;
for (idx=0; idx < DIM (macros); idx++)
if (strlen (macros[idx].name) == (s3 - s2)
&& !memcmp (macros[idx].name, s2, (s3 - s2)))
break;
s2--;
if (idx < DIM (macros)) /* Found. Print and substitute. */
{
for (; s < s2; s++, count++)
writechar (is_error, *s);
count += writestrings (is_error, macros[idx].value, NULL);
s3++;
}
else /* Not found. Print macro as is. */
{
for (; s < s3; s++, count++)
writechar (is_error, *s);
}
/* Now recurse so that remaining macros are also
substituted. */
count += writestrings (is_error, s3, NULL);
}
else
fputs (s, is_error? stderr : stdout);
count += strlen (s);
{
if (custom_outfnc)
custom_outfnc (is_error? 2:1, s);
else
fputs (s, is_error? stderr : stdout);
count += strlen (s);
}
}
while ((s = va_arg (arg_ptr, const char *)));
va_end (arg_ptr);
@ -1222,35 +1288,8 @@ show_help (ARGPARSE_OPTS *opts, unsigned int flags)
}
if ( (s=strusage(19)) )
{
/* bug reports to ... */
char *s2;
writestrings (0, "\n", NULL);
s2 = strstr (s, "@EMAIL@");
if (s2)
{
if (s2-s)
{
const char *s3;
for (s3=s; s3 < s2; s3++)
{
tmp[0] = *s3;
tmp[1] = 0;
writestrings (0, tmp, NULL);
}
}
#ifdef PACKAGE_BUGREPORT
writestrings (0, PACKAGE_BUGREPORT, NULL);
#else
writestrings (0, "bug@example.org", NULL);
#endif
s2 += 7;
if (*s2)
writestrings (0, s2, NULL);
}
else
writestrings (0, s, NULL);
writestrings (0, s, NULL);
}
flushstrings (0);
exit(0);

26
configure.ac
View File

@ -1574,6 +1574,32 @@ if test "$build_g13" = yes ; then
fi
#
# Define Name strings
#
AC_DEFINE_UNQUOTED(GNUPG_NAME, "GnuPG", [The name of the project])
AC_DEFINE_UNQUOTED(GPG_NAME, "gpg", [The name of the OpenPGP tool])
AC_DEFINE_UNQUOTED(GPGSM_NAME, "gpgsm", [The name of the S/MIME tool])
AC_DEFINE_UNQUOTED(GPG_AGENT_NAME, "gpg-agent", [The name of the agent])
AC_DEFINE_UNQUOTED(SCDAEMON_NAME, "scdaemon", [The name of the scdaemon])
AC_DEFINE_UNQUOTED(DIRMNGR_NAME, "dirmngr", [The name of the dirmngr])
AC_DEFINE_UNQUOTED(G13_NAME, "g13", [The name of the g13 tool])
AC_DEFINE_UNQUOTED(GPGCONF_NAME, "gpgconf", [The name of the gpgconf tool])
AC_DEFINE_UNQUOTED(GPGTAR_NAME, "gpgtar", [The name of the gpgtar tool])
AC_DEFINE_UNQUOTED(GPG_AGENT_INFO_NAME, "GPG_AGENT_INFO",
[The name of the agent info envvar])
AC_DEFINE_UNQUOTED(GPG_AGENT_SOCK_NAME, "S.gpg-agent",
[The name of the agent socket])
AC_DEFINE_UNQUOTED(GPG_AGENT_SSH_SOCK_NAME, "S.gpg-agent.ssh",
[The name of the agent socket for ssh])
AC_DEFINE_UNQUOTED(DIRMNGR_INFO_NAME, "DIRMNGR_INFO",
[The name of the dirmngr info envvar])
AC_DEFINE_UNQUOTED(DIRMNGR_SOCK_NAME, "S.dirmngr",
[The name of the dirmngr socket])
AC_DEFINE_UNQUOTED(GPGEXT_GPG, "gpg", [The standard binary file suffix])
#
# Provide information about the build.