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Diffstat (limited to 'source3/popt/popthelp.c')
-rw-r--r--source3/popt/popthelp.c740
1 files changed, 740 insertions, 0 deletions
diff --git a/source3/popt/popthelp.c b/source3/popt/popthelp.c
new file mode 100644
index 0000000000..e965ff6168
--- /dev/null
+++ b/source3/popt/popthelp.c
@@ -0,0 +1,740 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+
+/*@-type@*/
+/** \ingroup popt
+ * \file popt/popthelp.c
+ */
+
+/* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
+ file accompanying popt source distributions, available from
+ ftp://ftp.rpm.org/pub/rpm/dist. */
+
+#include "system.h"
+#include "poptint.h"
+
+/**
+ * Display arguments.
+ * @param con context
+ * @param foo (unused)
+ * @param key option(s)
+ * @param arg (unused)
+ * @param data (unused)
+ */
+static void displayArgs(poptContext con,
+ /*@unused@*/ enum poptCallbackReason foo,
+ struct poptOption * key,
+ /*@unused@*/ const char * arg, /*@unused@*/ void * data)
+ /*@globals fileSystem@*/
+ /*@modifies fileSystem@*/
+{
+ if (key->shortName == '?')
+ poptPrintHelp(con, stdout, 0);
+ else
+ poptPrintUsage(con, stdout, 0);
+ exit(0);
+}
+
+#ifdef NOTYET
+/*@unchecked@*/
+static int show_option_defaults = 0;
+#endif
+
+/**
+ * Empty table marker to enable displaying popt alias/exec options.
+ */
+/*@observer@*/ /*@unchecked@*/
+struct poptOption poptAliasOptions[] = {
+ POPT_TABLEEND
+};
+
+/**
+ * Auto help table options.
+ */
+/*@-castfcnptr@*/
+/*@observer@*/ /*@unchecked@*/
+struct poptOption poptHelpOptions[] = {
+ { NULL, '\0', POPT_ARG_CALLBACK, (void *)&displayArgs, '\0', NULL, NULL },
+ { "help", '?', 0, NULL, '?', N_("Show this help message"), NULL },
+ { "usage", '\0', 0, NULL, 'u', N_("Display brief usage message"), NULL },
+#ifdef NOTYET
+ { "defaults", '\0', POPT_ARG_NONE, &show_option_defaults, 0,
+ N_("Display option defaults in message"), NULL },
+#endif
+ POPT_TABLEEND
+} ;
+/*@=castfcnptr@*/
+
+/**
+ * @param table option(s)
+ */
+/*@observer@*/ /*@null@*/ static const char *
+getTableTranslationDomain(/*@null@*/ const struct poptOption *table)
+ /*@*/
+{
+ const struct poptOption *opt;
+
+ if (table != NULL)
+ for (opt = table; opt->longName || opt->shortName || opt->arg; opt++) {
+ if (opt->argInfo == POPT_ARG_INTL_DOMAIN)
+ return (char *)opt->arg;
+ }
+ return NULL;
+}
+
+/**
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ */
+/*@observer@*/ /*@null@*/ static const char *
+getArgDescrip(const struct poptOption * opt,
+ /*@-paramuse@*/ /* FIX: i18n macros disabled with lclint */
+ /*@null@*/ const char * translation_domain)
+ /*@=paramuse@*/
+ /*@*/
+{
+ if (!(opt->argInfo & POPT_ARG_MASK)) return NULL;
+
+ if (opt == (poptHelpOptions + 1) || opt == (poptHelpOptions + 2))
+ if (opt->argDescrip) return POPT_(opt->argDescrip);
+
+ if (opt->argDescrip) return D_(translation_domain, opt->argDescrip);
+
+ switch (opt->argInfo & POPT_ARG_MASK) {
+ case POPT_ARG_NONE: return POPT_("NONE");
+#ifdef DYING
+ case POPT_ARG_VAL: return POPT_("VAL");
+#else
+ case POPT_ARG_VAL: return NULL;
+#endif
+ case POPT_ARG_INT: return POPT_("INT");
+ case POPT_ARG_LONG: return POPT_("LONG");
+ case POPT_ARG_STRING: return POPT_("STRING");
+ case POPT_ARG_FLOAT: return POPT_("FLOAT");
+ case POPT_ARG_DOUBLE: return POPT_("DOUBLE");
+ default: return POPT_("ARG");
+ }
+}
+
+/**
+ * Display default value for an option.
+ * @param lineLength
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ * @return
+ */
+static /*@only@*/ /*@null@*/ char *
+singleOptionDefaultValue(int lineLength,
+ const struct poptOption * opt,
+ /*@-paramuse@*/ /* FIX: i18n macros disabled with lclint */
+ /*@null@*/ const char * translation_domain)
+ /*@=paramuse@*/
+ /*@*/
+{
+ const char * defstr = D_(translation_domain, "default");
+ char * le = (char *)malloc(4*lineLength + 1);
+ char * l = le;
+
+ if (le == NULL) return NULL; /* XXX can't happen */
+/*@-boundswrite@*/
+ *le = '\0';
+ *le++ = '(';
+ strcpy(le, defstr); le += strlen(le);
+ *le++ = ':';
+ *le++ = ' ';
+ if (opt->arg) /* XXX programmer error */
+ switch (opt->argInfo & POPT_ARG_MASK) {
+ case POPT_ARG_VAL:
+ case POPT_ARG_INT:
+ { long aLong = *((int *)opt->arg);
+ le += sprintf(le, "%ld", aLong);
+ } break;
+ case POPT_ARG_LONG:
+ { long aLong = *((long *)opt->arg);
+ le += sprintf(le, "%ld", aLong);
+ } break;
+ case POPT_ARG_FLOAT:
+ { double aDouble = *((float *)opt->arg);
+ le += sprintf(le, "%g", aDouble);
+ } break;
+ case POPT_ARG_DOUBLE:
+ { double aDouble = *((double *)opt->arg);
+ le += sprintf(le, "%g", aDouble);
+ } break;
+ case POPT_ARG_STRING:
+ { const char * s = *(const char **)opt->arg;
+ if (s == NULL) {
+ strcpy(le, "null"); le += strlen(le);
+ } else {
+ size_t slen = 4*lineLength - (le - l) - sizeof("\"...\")");
+ *le++ = '"';
+ strncpy(le, s, slen); le[slen] = '\0'; le += strlen(le);
+ if (slen < strlen(s)) {
+ strcpy(le, "..."); le += strlen(le);
+ }
+ *le++ = '"';
+ }
+ } break;
+ case POPT_ARG_NONE:
+ default:
+ l = (char *)_free(l);
+ return NULL;
+ /*@notreached@*/ break;
+ }
+ *le++ = ')';
+ *le = '\0';
+/*@=boundswrite@*/
+
+ return l;
+}
+
+/**
+ * Display help text for an option.
+ * @param fp output file handle
+ * @param maxLeftCol
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ */
+static void singleOptionHelp(FILE * fp, int maxLeftCol,
+ const struct poptOption * opt,
+ /*@null@*/ const char * translation_domain)
+ /*@globals fileSystem @*/
+ /*@modifies *fp, fileSystem @*/
+{
+ int indentLength = maxLeftCol + 5;
+ int lineLength = 79 - indentLength;
+ const char * help = D_(translation_domain, opt->descrip);
+ const char * argDescrip = getArgDescrip(opt, translation_domain);
+ int helpLength;
+ char * defs = NULL;
+ char * left;
+ int nb = maxLeftCol + 1;
+
+ /* Make sure there's more than enough room in target buffer. */
+ if (opt->longName) nb += strlen(opt->longName);
+ if (argDescrip) nb += strlen(argDescrip);
+
+/*@-boundswrite@*/
+ left = (char *)malloc(nb);
+ if (left == NULL) return; /* XXX can't happen */
+ left[0] = '\0';
+ left[maxLeftCol] = '\0';
+
+ if (opt->longName && opt->shortName)
+ sprintf(left, "-%c, %s%s", opt->shortName,
+ ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
+ opt->longName);
+ else if (opt->shortName != '\0')
+ sprintf(left, "-%c", opt->shortName);
+ else if (opt->longName)
+ sprintf(left, "%s%s",
+ ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
+ opt->longName);
+ if (!*left) goto out;
+
+ if (argDescrip) {
+ char * le = left + strlen(left);
+
+ if (opt->argInfo & POPT_ARGFLAG_OPTIONAL)
+ *le++ = '[';
+
+ /* Choose type of output */
+ /*@-branchstate@*/
+ if (opt->argInfo & POPT_ARGFLAG_SHOW_DEFAULT) {
+ defs = singleOptionDefaultValue(lineLength, opt, translation_domain);
+ if (defs) {
+ char * t = (char *)malloc((help ? strlen(help) : 0) +
+ strlen(defs) + sizeof(" "));
+ if (t) {
+ char * te = t;
+ *te = '\0';
+ if (help) {
+ strcpy(te, help); te += strlen(te);
+ }
+ *te++ = ' ';
+ strcpy(te, defs);
+ defs = (char *)_free(defs);
+ }
+ defs = t;
+ }
+ }
+ /*@=branchstate@*/
+
+ if (opt->argDescrip == NULL) {
+ switch (opt->argInfo & POPT_ARG_MASK) {
+ case POPT_ARG_NONE:
+ break;
+ case POPT_ARG_VAL:
+#ifdef NOTNOW /* XXX pug ugly nerdy output */
+ { long aLong = opt->val;
+ int ops = (opt->argInfo & POPT_ARGFLAG_LOGICALOPS);
+ int negate = (opt->argInfo & POPT_ARGFLAG_NOT);
+
+ /* Don't bother displaying typical values */
+ if (!ops && (aLong == 0L || aLong == 1L || aLong == -1L))
+ break;
+ *le++ = '[';
+ switch (ops) {
+ case POPT_ARGFLAG_OR:
+ *le++ = '|';
+ /*@innerbreak@*/ break;
+ case POPT_ARGFLAG_AND:
+ *le++ = '&';
+ /*@innerbreak@*/ break;
+ case POPT_ARGFLAG_XOR:
+ *le++ = '^';
+ /*@innerbreak@*/ break;
+ default:
+ /*@innerbreak@*/ break;
+ }
+ *le++ = '=';
+ if (negate) *le++ = '~';
+ /*@-formatconst@*/
+ le += sprintf(le, (ops ? "0x%lx" : "%ld"), aLong);
+ /*@=formatconst@*/
+ *le++ = ']';
+ }
+#endif
+ break;
+ case POPT_ARG_INT:
+ case POPT_ARG_LONG:
+ case POPT_ARG_FLOAT:
+ case POPT_ARG_DOUBLE:
+ case POPT_ARG_STRING:
+ *le++ = '=';
+ strcpy(le, argDescrip); le += strlen(le);
+ 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 = (char *)_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--;
+ ch++;
+
+ 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 = (char *)_free(defs);
+ /*@=dependenttrans@*/
+ left = (char *)_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((const struct poptOption *)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(
+ (const struct poptOption *)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, (const struct poptOption *)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, (const struct poptOption *)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 @*/
+ /*@requires maxRead(str) >= 0 @*/
+{
+ /* bufsize larger then the ascii set, lazy alloca on top level call. */
+ char * s = (str != NULL ? str : (char *)memset(alloca(300), 0, 300));
+ int len = 0;
+
+/*@-boundswrite@*/
+ if (opt != NULL)
+ for (; (opt->longName || opt->shortName || opt->arg); opt++) {
+ if (opt->shortName && !(opt->argInfo & POPT_ARG_MASK))
+ s[strlen(s)] = opt->shortName;
+ else if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
+ if (opt->arg) /* XXX program error */
+ len = showShortOptions(
+ (const struct poptOption *)opt->arg, fp, s);
+ }
+/*@=boundswrite@*/
+
+ /* On return to top level, print the short options, return print length. */
+ if (s == str && *s != '\0') {
+ fprintf(fp, " [-%s]", s);
+ len = strlen(s) + sizeof(" [-]")-1;
+ }
+ return len;
+}
+
+void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ int flags)
+{
+ poptDone done = (poptDone)memset(alloca(sizeof(*done)), 0, sizeof(*done));
+ int cursor;
+
+ done->nopts = 0;
+ done->maxopts = 64;
+ cursor = done->maxopts * sizeof(*done->opts);
+/*@-boundswrite@*/
+ done->opts = (const void **)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 = (const char *)_free(con->otherHelp);
+ con->otherHelp = xstrdup(text);
+}
+/*@=type@*/