wmi-1.3.16 from opsview.com
This commit is contained in:
Are Casilla
@@ -0,0 +1,742 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*@-type@*/
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/** \ingroup popt
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* \file popt/popthelp.c
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*/
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/* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
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file accompanying popt source distributions, available from
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ftp://ftp.rpm.org/pub/rpm/dist. */
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#include "system.h"
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#include "poptint.h"
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/**
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* Display arguments.
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* @param con context
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* @param foo (unused)
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* @param key option(s)
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* @param arg (unused)
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* @param data (unused)
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*/
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static void displayArgs(poptContext con,
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/*@unused@*/ enum poptCallbackReason foo,
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struct poptOption * key,
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/*@unused@*/ const char * arg, /*@unused@*/ void * data)
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/*@globals fileSystem@*/
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/*@modifies fileSystem@*/
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{
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if (key->shortName == '?')
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poptPrintHelp(con, stdout, 0);
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else
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poptPrintUsage(con, stdout, 0);
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exit(0);
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}
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#ifdef NOTYET
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/*@unchecked@*/
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static int show_option_defaults = 0;
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#endif
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/**
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* Empty table marker to enable displaying popt alias/exec options.
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*/
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/*@observer@*/ /*@unchecked@*/
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struct poptOption poptAliasOptions[] = {
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POPT_TABLEEND
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};
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/**
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* Auto help table options.
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*/
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/*@-castfcnptr@*/
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/*@observer@*/ /*@unchecked@*/
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struct poptOption poptHelpOptions[] = {
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{ NULL, '\0', POPT_ARG_CALLBACK, (void *)&displayArgs, '\0', NULL, NULL },
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{ "help", '?', 0, NULL, '?', N_("Show this help message"), NULL },
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{ "usage", '\0', 0, NULL, 'u', N_("Display brief usage message"), NULL },
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#ifdef NOTYET
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{ "defaults", '\0', POPT_ARG_NONE, &show_option_defaults, 0,
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N_("Display option defaults in message"), NULL },
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#endif
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POPT_TABLEEND
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} ;
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/*@=castfcnptr@*/
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/**
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* @param table option(s)
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*/
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/*@observer@*/ /*@null@*/ static const char *const
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getTableTranslationDomain(/*@null@*/ const struct poptOption *table)
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/*@*/
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{
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const struct poptOption *opt;
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if (table != NULL)
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for (opt = table; opt->longName || opt->shortName || opt->arg; opt++) {
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if (opt->argInfo == POPT_ARG_INTL_DOMAIN)
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return opt->arg;
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}
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return NULL;
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}
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/**
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* @param opt option(s)
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* @param translation_domain translation domain
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*/
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/*@observer@*/ /*@null@*/ static const char *const
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getArgDescrip(const struct poptOption * opt,
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/*@-paramuse@*/ /* FIX: i18n macros disabled with lclint */
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/*@null@*/ const char * translation_domain)
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/*@=paramuse@*/
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/*@*/
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{
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if (!(opt->argInfo & POPT_ARG_MASK)) return NULL;
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if (opt == (poptHelpOptions + 1) || opt == (poptHelpOptions + 2))
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if (opt->argDescrip) return POPT_(opt->argDescrip);
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if (opt->argDescrip) return D_(translation_domain, opt->argDescrip);
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switch (opt->argInfo & POPT_ARG_MASK) {
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case POPT_ARG_NONE: return POPT_("NONE");
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#ifdef DYING
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case POPT_ARG_VAL: return POPT_("VAL");
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#else
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case POPT_ARG_VAL: return NULL;
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#endif
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case POPT_ARG_INT: return POPT_("INT");
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case POPT_ARG_LONG: return POPT_("LONG");
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case POPT_ARG_STRING: return POPT_("STRING");
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case POPT_ARG_FLOAT: return POPT_("FLOAT");
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case POPT_ARG_DOUBLE: return POPT_("DOUBLE");
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default: return POPT_("ARG");
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}
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}
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/**
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* Display default value for an option.
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* @param lineLength
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* @param opt option(s)
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* @param translation_domain translation domain
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* @return
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*/
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static /*@only@*/ /*@null@*/ char *
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singleOptionDefaultValue(int lineLength,
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const struct poptOption * opt,
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/*@-paramuse@*/ /* FIX: i18n macros disabled with lclint */
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/*@null@*/ const char * translation_domain)
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/*@=paramuse@*/
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/*@*/
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{
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const char * defstr = D_(translation_domain, "default");
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char * le = malloc(4*lineLength + 1);
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char * l = le;
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if (le == NULL) return NULL; /* XXX can't happen */
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/*@-boundswrite@*/
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*le = '\0';
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*le++ = '(';
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strcpy(le, defstr); le += strlen(le);
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*le++ = ':';
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*le++ = ' ';
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if (opt->arg) /* XXX programmer error */
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switch (opt->argInfo & POPT_ARG_MASK) {
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case POPT_ARG_VAL:
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case POPT_ARG_INT:
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{ long aLong = *((int *)opt->arg);
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le += sprintf(le, "%ld", aLong);
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} break;
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case POPT_ARG_LONG:
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{ long aLong = *((long *)opt->arg);
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le += sprintf(le, "%ld", aLong);
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} break;
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case POPT_ARG_FLOAT:
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{ double aDouble = *((float *)opt->arg);
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le += sprintf(le, "%g", aDouble);
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} break;
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case POPT_ARG_DOUBLE:
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{ double aDouble = *((double *)opt->arg);
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le += sprintf(le, "%g", aDouble);
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} break;
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case POPT_ARG_STRING:
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{ const char * s = *(const char **)opt->arg;
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if (s == NULL) {
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strcpy(le, "null"); le += strlen(le);
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} else {
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size_t slen = 4*lineLength - (le - l) - sizeof("\"...\")");
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*le++ = '"';
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strncpy(le, s, slen); le[slen] = '\0'; le += strlen(le);
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if (slen < strlen(s)) {
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strcpy(le, "..."); le += strlen(le);
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}
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*le++ = '"';
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}
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} break;
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case POPT_ARG_NONE:
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default:
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l = _free(l);
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return NULL;
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/*@notreached@*/ break;
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}
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*le++ = ')';
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*le = '\0';
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/*@=boundswrite@*/
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return l;
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}
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/**
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* Display help text for an option.
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* @param fp output file handle
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* @param maxLeftCol
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* @param opt option(s)
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* @param translation_domain translation domain
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*/
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static void singleOptionHelp(FILE * fp, int maxLeftCol,
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const struct poptOption * opt,
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/*@null@*/ const char * translation_domain)
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/*@globals fileSystem @*/
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/*@modifies *fp, fileSystem @*/
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{
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int indentLength = maxLeftCol + 5;
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int lineLength = 79 - indentLength;
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const char * help = D_(translation_domain, opt->descrip);
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const char * argDescrip = getArgDescrip(opt, translation_domain);
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int helpLength;
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char * defs = NULL;
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char * left;
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int nb = maxLeftCol + 1;
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/* Make sure there's more than enough room in target buffer. */
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if (opt->longName) nb += strlen(opt->longName);
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if (argDescrip) nb += strlen(argDescrip);
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/*@-boundswrite@*/
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left = malloc(nb);
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if (left == NULL) return; /* XXX can't happen */
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left[0] = '\0';
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left[maxLeftCol] = '\0';
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if (opt->longName && opt->shortName)
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sprintf(left, "-%c, %s%s", opt->shortName,
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((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
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opt->longName);
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else if (opt->shortName != '\0')
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sprintf(left, "-%c", opt->shortName);
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else if (opt->longName)
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sprintf(left, "%s%s",
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((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
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opt->longName);
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if (!*left) goto out;
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if (argDescrip) {
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char * le = left + strlen(left);
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if (opt->argInfo & POPT_ARGFLAG_OPTIONAL)
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*le++ = '[';
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/* Choose type of output */
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/*@-branchstate@*/
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if (opt->argInfo & POPT_ARGFLAG_SHOW_DEFAULT) {
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defs = singleOptionDefaultValue(lineLength, opt, translation_domain);
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if (defs) {
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char * t = malloc((help ? strlen(help) : 0) +
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strlen(defs) + sizeof(" "));
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if (t) {
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char * te = t;
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*te = '\0';
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if (help) {
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strcpy(te, help); te += strlen(te);
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}
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*te++ = ' ';
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strcpy(te, defs);
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defs = _free(defs);
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}
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defs = t;
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}
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}
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/*@=branchstate@*/
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if (opt->argDescrip == NULL) {
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switch (opt->argInfo & POPT_ARG_MASK) {
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case POPT_ARG_NONE:
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break;
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case POPT_ARG_VAL:
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#ifdef NOTNOW /* XXX pug ugly nerdy output */
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{ long aLong = opt->val;
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int ops = (opt->argInfo & POPT_ARGFLAG_LOGICALOPS);
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int negate = (opt->argInfo & POPT_ARGFLAG_NOT);
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/* Don't bother displaying typical values */
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if (!ops && (aLong == 0L || aLong == 1L || aLong == -1L))
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break;
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*le++ = '[';
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switch (ops) {
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case POPT_ARGFLAG_OR:
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*le++ = '|';
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/*@innerbreak@*/ break;
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case POPT_ARGFLAG_AND:
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*le++ = '&';
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/*@innerbreak@*/ break;
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case POPT_ARGFLAG_XOR:
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*le++ = '^';
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/*@innerbreak@*/ break;
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default:
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/*@innerbreak@*/ break;
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}
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*le++ = '=';
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if (negate) *le++ = '~';
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/*@-formatconst@*/
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le += sprintf(le, (ops ? "0x%lx" : "%ld"), aLong);
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/*@=formatconst@*/
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*le++ = ']';
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}
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#endif
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||||
break;
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||||
case POPT_ARG_INT:
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||||
case POPT_ARG_LONG:
|
||||
case POPT_ARG_FLOAT:
|
||||
case POPT_ARG_DOUBLE:
|
||||
case POPT_ARG_STRING:
|
||||
*le++ = '=';
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||||
strcpy(le, argDescrip); le += strlen(le);
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||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
*le++ = '=';
|
||||
strcpy(le, argDescrip); le += strlen(le);
|
||||
}
|
||||
if (opt->argInfo & POPT_ARGFLAG_OPTIONAL)
|
||||
*le++ = ']';
|
||||
*le = '\0';
|
||||
}
|
||||
/*@=boundswrite@*/
|
||||
|
||||
if (help)
|
||||
fprintf(fp," %-*s ", maxLeftCol, left);
|
||||
else {
|
||||
fprintf(fp," %s\n", left);
|
||||
goto out;
|
||||
}
|
||||
|
||||
left = _free(left);
|
||||
if (defs) {
|
||||
help = defs; defs = NULL;
|
||||
}
|
||||
|
||||
helpLength = strlen(help);
|
||||
/*@-boundsread@*/
|
||||
while (helpLength > lineLength) {
|
||||
const char * ch;
|
||||
char format[16];
|
||||
|
||||
ch = help + lineLength - 1;
|
||||
while (ch > help && !isspace(*ch)) ch--;
|
||||
if (ch == help) break; /* give up */
|
||||
while (ch > (help + 1) && isspace(*ch)) ch--;
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||||
ch++;
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||||
|
||||
sprintf(format, "%%.%ds\n%%%ds", (int) (ch - help), indentLength);
|
||||
/*@-formatconst@*/
|
||||
fprintf(fp, format, help, " ");
|
||||
/*@=formatconst@*/
|
||||
help = ch;
|
||||
while (isspace(*help) && *help) help++;
|
||||
helpLength = strlen(help);
|
||||
}
|
||||
/*@=boundsread@*/
|
||||
|
||||
if (helpLength) fprintf(fp, "%s\n", help);
|
||||
|
||||
out:
|
||||
/*@-dependenttrans@*/
|
||||
defs = _free(defs);
|
||||
/*@=dependenttrans@*/
|
||||
left = _free(left);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param opt option(s)
|
||||
* @param translation_domain translation domain
|
||||
*/
|
||||
static int maxArgWidth(const struct poptOption * opt,
|
||||
/*@null@*/ const char * translation_domain)
|
||||
/*@*/
|
||||
{
|
||||
int max = 0;
|
||||
int len = 0;
|
||||
const char * s;
|
||||
|
||||
if (opt != NULL)
|
||||
while (opt->longName || opt->shortName || opt->arg) {
|
||||
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
|
||||
if (opt->arg) /* XXX program error */
|
||||
len = maxArgWidth(opt->arg, translation_domain);
|
||||
if (len > max) max = len;
|
||||
} else if (!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
|
||||
len = sizeof(" ")-1;
|
||||
if (opt->shortName != '\0') len += sizeof("-X")-1;
|
||||
if (opt->shortName != '\0' && opt->longName) len += sizeof(", ")-1;
|
||||
if (opt->longName) {
|
||||
len += ((opt->argInfo & POPT_ARGFLAG_ONEDASH)
|
||||
? sizeof("-")-1 : sizeof("--")-1);
|
||||
len += strlen(opt->longName);
|
||||
}
|
||||
|
||||
s = getArgDescrip(opt, translation_domain);
|
||||
if (s)
|
||||
len += sizeof("=")-1 + strlen(s);
|
||||
if (opt->argInfo & POPT_ARGFLAG_OPTIONAL) len += sizeof("[]")-1;
|
||||
if (len > max) max = len;
|
||||
}
|
||||
|
||||
opt++;
|
||||
}
|
||||
|
||||
return max;
|
||||
}
|
||||
|
||||
/**
|
||||
* Display popt alias and exec help.
|
||||
* @param fp output file handle
|
||||
* @param items alias/exec array
|
||||
* @param nitems no. of alias/exec entries
|
||||
* @param left
|
||||
* @param translation_domain translation domain
|
||||
*/
|
||||
static void itemHelp(FILE * fp,
|
||||
/*@null@*/ poptItem items, int nitems, int left,
|
||||
/*@null@*/ const char * translation_domain)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *fp, fileSystem @*/
|
||||
{
|
||||
poptItem item;
|
||||
int i;
|
||||
|
||||
if (items != NULL)
|
||||
for (i = 0, item = items; i < nitems; i++, item++) {
|
||||
const struct poptOption * opt;
|
||||
opt = &item->option;
|
||||
if ((opt->longName || opt->shortName) &&
|
||||
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
|
||||
singleOptionHelp(fp, left, opt, translation_domain);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Display help text for a table of options.
|
||||
* @param con context
|
||||
* @param fp output file handle
|
||||
* @param table option(s)
|
||||
* @param left
|
||||
* @param translation_domain translation domain
|
||||
*/
|
||||
static void singleTableHelp(poptContext con, FILE * fp,
|
||||
/*@null@*/ const struct poptOption * table, int left,
|
||||
/*@null@*/ const char * translation_domain)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *fp, fileSystem @*/
|
||||
{
|
||||
const struct poptOption * opt;
|
||||
const char *sub_transdom;
|
||||
|
||||
if (table == poptAliasOptions) {
|
||||
itemHelp(fp, con->aliases, con->numAliases, left, NULL);
|
||||
itemHelp(fp, con->execs, con->numExecs, left, NULL);
|
||||
return;
|
||||
}
|
||||
|
||||
if (table != NULL)
|
||||
for (opt = table; (opt->longName || opt->shortName || opt->arg); opt++) {
|
||||
if ((opt->longName || opt->shortName) &&
|
||||
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
|
||||
singleOptionHelp(fp, left, opt, translation_domain);
|
||||
}
|
||||
|
||||
if (table != NULL)
|
||||
for (opt = table; (opt->longName || opt->shortName || opt->arg); opt++) {
|
||||
if ((opt->argInfo & POPT_ARG_MASK) != POPT_ARG_INCLUDE_TABLE)
|
||||
continue;
|
||||
sub_transdom = getTableTranslationDomain(opt->arg);
|
||||
if (sub_transdom == NULL)
|
||||
sub_transdom = translation_domain;
|
||||
|
||||
if (opt->descrip)
|
||||
fprintf(fp, "\n%s\n", D_(sub_transdom, opt->descrip));
|
||||
|
||||
singleTableHelp(con, fp, opt->arg, left, sub_transdom);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param con context
|
||||
* @param fp output file handle
|
||||
*/
|
||||
static int showHelpIntro(poptContext con, FILE * fp)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *fp, fileSystem @*/
|
||||
{
|
||||
int len = 6;
|
||||
const char * fn;
|
||||
|
||||
fprintf(fp, POPT_("Usage:"));
|
||||
if (!(con->flags & POPT_CONTEXT_KEEP_FIRST)) {
|
||||
/*@-boundsread@*/
|
||||
/*@-nullderef@*/ /* LCL: wazzup? */
|
||||
fn = con->optionStack->argv[0];
|
||||
/*@=nullderef@*/
|
||||
/*@=boundsread@*/
|
||||
if (fn == NULL) return len;
|
||||
if (strchr(fn, '/')) fn = strrchr(fn, '/') + 1;
|
||||
fprintf(fp, " %s", fn);
|
||||
len += strlen(fn) + 1;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ int flags)
|
||||
{
|
||||
int leftColWidth;
|
||||
|
||||
(void) showHelpIntro(con, fp);
|
||||
if (con->otherHelp)
|
||||
fprintf(fp, " %s\n", con->otherHelp);
|
||||
else
|
||||
fprintf(fp, " %s\n", POPT_("[OPTION...]"));
|
||||
|
||||
leftColWidth = maxArgWidth(con->options, NULL);
|
||||
singleTableHelp(con, fp, con->options, leftColWidth, NULL);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param fp output file handle
|
||||
* @param cursor
|
||||
* @param opt option(s)
|
||||
* @param translation_domain translation domain
|
||||
*/
|
||||
static int singleOptionUsage(FILE * fp, int cursor,
|
||||
const struct poptOption * opt,
|
||||
/*@null@*/ const char *translation_domain)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *fp, fileSystem @*/
|
||||
{
|
||||
int len = 4;
|
||||
char shortStr[2] = { '\0', '\0' };
|
||||
const char * item = shortStr;
|
||||
const char * argDescrip = getArgDescrip(opt, translation_domain);
|
||||
|
||||
if (opt->shortName != '\0' && opt->longName != NULL) {
|
||||
len += 2;
|
||||
if (!(opt->argInfo & POPT_ARGFLAG_ONEDASH)) len++;
|
||||
len += strlen(opt->longName);
|
||||
} else if (opt->shortName != '\0') {
|
||||
len++;
|
||||
shortStr[0] = opt->shortName;
|
||||
shortStr[1] = '\0';
|
||||
} else if (opt->longName) {
|
||||
len += strlen(opt->longName);
|
||||
if (!(opt->argInfo & POPT_ARGFLAG_ONEDASH)) len++;
|
||||
item = opt->longName;
|
||||
}
|
||||
|
||||
if (len == 4) return cursor;
|
||||
|
||||
if (argDescrip)
|
||||
len += strlen(argDescrip) + 1;
|
||||
|
||||
if ((cursor + len) > 79) {
|
||||
fprintf(fp, "\n ");
|
||||
cursor = 7;
|
||||
}
|
||||
|
||||
if (opt->longName && opt->shortName) {
|
||||
fprintf(fp, " [-%c|-%s%s%s%s]",
|
||||
opt->shortName, ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "" : "-"),
|
||||
opt->longName,
|
||||
(argDescrip ? " " : ""),
|
||||
(argDescrip ? argDescrip : ""));
|
||||
} else {
|
||||
fprintf(fp, " [-%s%s%s%s]",
|
||||
((opt->shortName || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) ? "" : "-"),
|
||||
item,
|
||||
(argDescrip ? (opt->shortName != '\0' ? " " : "=") : ""),
|
||||
(argDescrip ? argDescrip : ""));
|
||||
}
|
||||
|
||||
return cursor + len + 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Display popt alias and exec usage.
|
||||
* @param fp output file handle
|
||||
* @param cursor
|
||||
* @param item alias/exec array
|
||||
* @param nitems no. of ara/exec entries
|
||||
* @param translation_domain translation domain
|
||||
*/
|
||||
static int itemUsage(FILE * fp, int cursor, poptItem item, int nitems,
|
||||
/*@null@*/ const char * translation_domain)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *fp, fileSystem @*/
|
||||
{
|
||||
int i;
|
||||
|
||||
/*@-branchstate@*/ /* FIX: W2DO? */
|
||||
if (item != NULL)
|
||||
for (i = 0; i < nitems; i++, item++) {
|
||||
const struct poptOption * opt;
|
||||
opt = &item->option;
|
||||
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INTL_DOMAIN) {
|
||||
translation_domain = (const char *)opt->arg;
|
||||
} else if ((opt->longName || opt->shortName) &&
|
||||
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
|
||||
cursor = singleOptionUsage(fp, cursor, opt, translation_domain);
|
||||
}
|
||||
}
|
||||
/*@=branchstate@*/
|
||||
|
||||
return cursor;
|
||||
}
|
||||
|
||||
/**
|
||||
* Keep track of option tables already processed.
|
||||
*/
|
||||
typedef struct poptDone_s {
|
||||
int nopts;
|
||||
int maxopts;
|
||||
const void ** opts;
|
||||
} * poptDone;
|
||||
|
||||
/**
|
||||
* Display usage text for a table of options.
|
||||
* @param con context
|
||||
* @param fp output file handle
|
||||
* @param cursor
|
||||
* @param opt option(s)
|
||||
* @param translation_domain translation domain
|
||||
* @param done tables already processed
|
||||
* @return
|
||||
*/
|
||||
static int singleTableUsage(poptContext con, FILE * fp, int cursor,
|
||||
/*@null@*/ const struct poptOption * opt,
|
||||
/*@null@*/ const char * translation_domain,
|
||||
/*@null@*/ poptDone done)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *fp, done, fileSystem @*/
|
||||
{
|
||||
/*@-branchstate@*/ /* FIX: W2DO? */
|
||||
if (opt != NULL)
|
||||
for (; (opt->longName || opt->shortName || opt->arg) ; opt++) {
|
||||
if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INTL_DOMAIN) {
|
||||
translation_domain = (const char *)opt->arg;
|
||||
} else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
|
||||
if (done) {
|
||||
int i = 0;
|
||||
for (i = 0; i < done->nopts; i++) {
|
||||
/*@-boundsread@*/
|
||||
const void * that = done->opts[i];
|
||||
/*@=boundsread@*/
|
||||
if (that == NULL || that != opt->arg)
|
||||
/*@innercontinue@*/ continue;
|
||||
/*@innerbreak@*/ break;
|
||||
}
|
||||
/* Skip if this table has already been processed. */
|
||||
if (opt->arg == NULL || i < done->nopts)
|
||||
continue;
|
||||
/*@-boundswrite@*/
|
||||
if (done->nopts < done->maxopts)
|
||||
done->opts[done->nopts++] = (const void *) opt->arg;
|
||||
/*@=boundswrite@*/
|
||||
}
|
||||
cursor = singleTableUsage(con, fp, cursor, opt->arg,
|
||||
translation_domain, done);
|
||||
} else if ((opt->longName || opt->shortName) &&
|
||||
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
|
||||
cursor = singleOptionUsage(fp, cursor, opt, translation_domain);
|
||||
}
|
||||
}
|
||||
/*@=branchstate@*/
|
||||
|
||||
return cursor;
|
||||
}
|
||||
|
||||
/**
|
||||
* Return concatenated short options for display.
|
||||
* @todo Sub-tables should be recursed.
|
||||
* @param opt option(s)
|
||||
* @param fp output file handle
|
||||
* @retval str concatenation of short options
|
||||
* @return length of display string
|
||||
*/
|
||||
static int showShortOptions(const struct poptOption * opt, FILE * fp,
|
||||
/*@null@*/ char * str)
|
||||
/*@globals fileSystem @*/
|
||||
/*@modifies *str, *fp, fileSystem @*/
|
||||
{
|
||||
char * s = alloca(300); /* larger than the ascii set */
|
||||
|
||||
s[0] = '\0';
|
||||
/*@-branchstate@*/ /* FIX: W2DO? */
|
||||
if (str == NULL) {
|
||||
memset(s, 0, sizeof(s));
|
||||
str = s;
|
||||
}
|
||||
/*@=branchstate@*/
|
||||
|
||||
/*@-boundswrite@*/
|
||||
if (opt != NULL)
|
||||
for (; (opt->longName || opt->shortName || opt->arg); opt++) {
|
||||
if (opt->shortName && !(opt->argInfo & POPT_ARG_MASK))
|
||||
str[strlen(str)] = opt->shortName;
|
||||
else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
|
||||
if (opt->arg) /* XXX program error */
|
||||
(void) showShortOptions(opt->arg, fp, str);
|
||||
}
|
||||
/*@=boundswrite@*/
|
||||
|
||||
if (s != str || *s != '\0')
|
||||
return 0;
|
||||
|
||||
fprintf(fp, " [-%s]", s);
|
||||
return strlen(s) + 4;
|
||||
}
|
||||
|
||||
void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ int flags)
|
||||
{
|
||||
poptDone done = memset(alloca(sizeof(*done)), 0, sizeof(*done));
|
||||
int cursor;
|
||||
|
||||
done->nopts = 0;
|
||||
done->maxopts = 64;
|
||||
cursor = done->maxopts * sizeof(*done->opts);
|
||||
/*@-boundswrite@*/
|
||||
done->opts = memset(alloca(cursor), 0, cursor);
|
||||
done->opts[done->nopts++] = (const void *) con->options;
|
||||
/*@=boundswrite@*/
|
||||
|
||||
cursor = showHelpIntro(con, fp);
|
||||
cursor += showShortOptions(con->options, fp, NULL);
|
||||
cursor = singleTableUsage(con, fp, cursor, con->options, NULL, done);
|
||||
cursor = itemUsage(fp, cursor, con->aliases, con->numAliases, NULL);
|
||||
cursor = itemUsage(fp, cursor, con->execs, con->numExecs, NULL);
|
||||
|
||||
if (con->otherHelp) {
|
||||
cursor += strlen(con->otherHelp) + 1;
|
||||
if (cursor > 79) fprintf(fp, "\n ");
|
||||
fprintf(fp, " %s", con->otherHelp);
|
||||
}
|
||||
|
||||
fprintf(fp, "\n");
|
||||
}
|
||||
|
||||
void poptSetOtherOptionHelp(poptContext con, const char * text)
|
||||
{
|
||||
con->otherHelp = _free(con->otherHelp);
|
||||
con->otherHelp = xstrdup(text);
|
||||
}
|
||||
/*@=type@*/
|
||||
Reference in New Issue
Block a user