/*
* Time-stamp: "2011-04-22 12:54:28 bkorb"
*
* This module implements the default usage procedure for
* Automated Options. It may be overridden, of course.
*/
/*
* This file is part of AutoOpts, a companion to AutoGen.
* AutoOpts is free software.
* AutoOpts is Copyright (c) 1992-2011 by Bruce Korb - all rights reserved
*
* AutoOpts is available under any one of two licenses. The license
* in use must be one of these two and the choice is under the control
* of the user of the license.
*
* The GNU Lesser General Public License, version 3 or later
* See the files "COPYING.lgplv3" and "COPYING.gplv3"
*
* The Modified Berkeley Software Distribution License
* See the file "COPYING.mbsd"
*
* These files have the following md5sums:
*
* 43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
* 06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
* 66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
*/
/*=export_func optionVersion
*
* what: return the compiled AutoOpts version number
* ret_type: char const*
* ret_desc: the version string in constant memory
* doc:
* Returns the full version string compiled into the library.
* The returned string cannot be modified.
=*/
char const*
optionVersion(void)
{
static char const zVersion[] =
STR(AO_CURRENT.AO_REVISION);
return zVersion;
}
static void
emit_simple_ver(tOptions * pOpts, FILE * fp)
{
if (pOpts->pzFullVersion != NULL)
fputs(pOpts->pzFullVersion, fp);
else if (pOpts->pzCopyright != NULL) {
char const * pe = strchr(pOpts->pzCopyright, '\n');
if (pe == NULL)
pe = pOpts->pzCopyright + strlen(pOpts->pzCopyright);
fwrite(pOpts->pzCopyright, 1, pe - pOpts->pzCopyright, fp);
}
else {
char const * pe = strchr(pOpts->pzUsageTitle, '\n');
if (pe == NULL)
pe = pOpts->pzUsageTitle + strlen(pOpts->pzUsageTitle);
fwrite(pOpts->pzUsageTitle, 1, pe - pOpts->pzCopyright, fp);
}
fputc('\n', fp);
}
static void
emit_copy_ver(tOptions * pOpts, FILE * fp)
{
if (pOpts->pzCopyright != NULL)
fputs(pOpts->pzCopyright, fp);
else if (pOpts->pzFullVersion != NULL)
fputs(pOpts->pzFullVersion, fp);
else {
char const * pe = strchr(pOpts->pzUsageTitle, '\n');
if (pe == NULL)
pe = pOpts->pzUsageTitle + strlen(pOpts->pzUsageTitle);
fwrite(pOpts->pzUsageTitle, 1, pe - pOpts->pzCopyright, fp);
}
fputc('\n', fp);
if (HAS_pzPkgDataDir(pOpts) && (pOpts->pzPackager != NULL))
fputs(pOpts->pzPackager, fp);
else if (pOpts->pzBugAddr != NULL)
fprintf(fp, zPlsSendBugs, pOpts->pzBugAddr);
}
static void
emit_copy_note(tOptions * pOpts, FILE * fp)
{
if (pOpts->pzCopyright != NULL) {
fputs(pOpts->pzCopyright, fp);
fputc('\n', fp);
}
if (pOpts->pzCopyNotice != NULL) {
fputs(pOpts->pzCopyNotice, fp);
fputc('\n', fp);
}
fprintf(fp, zAO_Ver, optionVersion());
if (HAS_pzPkgDataDir(pOpts) && (pOpts->pzPackager != NULL))
fputs(pOpts->pzPackager, fp);
else if (pOpts->pzBugAddr != NULL)
fprintf(fp, zPlsSendBugs, pOpts->pzBugAddr);
}
static void
print_ver(tOptions * pOpts, tOptDesc * pOD, FILE * fp)
{
char ch;
/*
* IF the optional argument flag is off, or the argument
* is not provided, then just print the version.
*/
if ( ((pOD->fOptState & OPTST_ARG_OPTIONAL) == 0)
|| (pOD->optArg.argString == NULL))
ch = 'v';
else ch = pOD->optArg.argString[0];
switch (ch) {
case NUL: /* arg provided, but empty */
case 'v': case 'V': emit_simple_ver(pOpts, fp); break;
case 'c': case 'C': emit_copy_ver(pOpts, fp); break;
case 'n': case 'N': emit_copy_note(pOpts, fp); break;
default:
fprintf(stderr, zBadVerArg, ch);
exit(EXIT_FAILURE);
}
fflush(fp);
if (ferror(fp) != 0) {
fputs(zOutputFail, stderr);
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
}
/*=export_func optionPrintVersion
* private:
*
* what: Print the program version
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* This routine will print the version to stdout.
=*/
void
optionPrintVersion(tOptions * pOpts, tOptDesc * pOD)
{
print_ver(pOpts, pOD, stdout);
}
/*=export_func optionVersionStderr
* private:
*
* what: Print the program version to stderr
* arg: + tOptions* + pOpts + program options descriptor +
* arg: + tOptDesc* + pOptDesc + the descriptor for this arg +
*
* doc:
* This routine will print the version to stderr.
=*/
void
optionVersionStderr(tOptions * pOpts, tOptDesc * pOD)
{
print_ver(pOpts, pOD, stderr);
}
/*
* Local Variables:
* mode: C
* c-file-style: "stroustrup"
* indent-tabs-mode: nil
* End:
* end of autoopts/version.c */
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>