/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
-/*@-type@*/
/** \ingroup popt
* \file popt/popthelp.c
*/
-/* (C) 1998-2000 Red Hat, Inc. -- Licensing details are in the COPYING
+/* (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"
+
+/*#define POPT_WCHAR_HACK*/
+#ifdef POPT_WCHAR_HACK
+#include <wchar.h> /* for mbsrtowcs */
+/*@access mbstate_t @*/
+#endif
#include "poptint.h"
+/*@access poptContext@*/
+
/**
+ * 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,
+ /*@unused@*/ UNUSED(enum poptCallbackReason foo),
struct poptOption * key,
- /*@unused@*/ const char * arg, /*@unused@*/ void * data)
+ /*@unused@*/ UNUSED(const char * arg), /*@unused@*/ UNUSED(void * data))
/*@globals fileSystem@*/
/*@modifies fileSystem@*/
{
/*@-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 },
+ POPT_TABLEEND
+} ;
+
+/*@observer@*/ /*@unchecked@*/
+static struct poptOption poptHelpOptions2[] = {
+/*@-readonlytrans@*/
+ { NULL, '\0', POPT_ARG_INTL_DOMAIN, PACKAGE, 0, NULL, NULL},
+/*@=readonlytrans@*/
{ 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 },
#endif
POPT_TABLEEND
} ;
+
+/*@observer@*/ /*@unchecked@*/
+struct poptOption * poptHelpOptionsI18N = poptHelpOptions2;
/*@=castfcnptr@*/
/**
* @param table option(s)
*/
-/*@observer@*/ /*@null@*/ static const char *const
+/*@observer@*/ /*@null@*/ static const char *
getTableTranslationDomain(/*@null@*/ const struct poptOption *table)
/*@*/
{
* @param opt option(s)
* @param translation_domain translation domain
*/
-/*@observer@*/ /*@null@*/ static const char *const
+/*@observer@*/ /*@null@*/ static const char *
getArgDescrip(const struct poptOption * opt,
- /*@-paramuse@*/ /* FIX: wazzup? */
- /*@null@*/ const char * translation_domain)
+ /*@-paramuse@*/ /* FIX: i18n macros disabled with lclint */
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@=paramuse@*/
/*@*/
{
if (opt->argDescrip) return D_(translation_domain, opt->argDescrip);
switch (opt->argInfo & POPT_ARG_MASK) {
- case POPT_ARG_NONE: return POPT_("NONE");
+ /*case POPT_ARG_NONE: return POPT_("NONE");*/ /* impossible */
+#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");
}
/**
+ * Display default value for an option.
+ * @param lineLength display positions remaining
* @param opt option(s)
* @param translation_domain translation domain
+ * @return
*/
static /*@only@*/ /*@null@*/ char *
-singleOptionDefaultValue(int lineLength,
+singleOptionDefaultValue(size_t lineLength,
const struct poptOption * opt,
- /*@-paramuse@*/ /* FIX: i18n macros disable with lclint */
- /*@null@*/ const char * translation_domain)
+ /*@-paramuse@*/ /* FIX: i18n macros disabled with lclint */
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@=paramuse@*/
/*@*/
{
const char * defstr = D_(translation_domain, "default");
- char * le = malloc(4*lineLength + 1);
+ size_t limit, bufsize = 4*lineLength + 1;
+ char * le = malloc(bufsize);
char * l = le;
if (le == NULL) return NULL; /* XXX can't happen */
- *le = '\0';
+/*@-boundswrite@*/
*le++ = '(';
- strcpy(le, defstr); le += strlen(le);
+ le += strlcpy(le, defstr, bufsize - 3);
*le++ = ':';
*le++ = ' ';
+ limit = bufsize - (le - l) - 1; /* -1 for closing paren */
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);
- sprintf(le, "%ld", aLong);
- le += strlen(le);
+ le += snprintf(le, limit, "%ld", aLong);
} break;
case POPT_ARG_LONG:
{ long aLong = *((long *)opt->arg);
- sprintf(le, "%ld", aLong);
- le += strlen(le);
+ le += snprintf(le, limit, "%ld", aLong);
} break;
case POPT_ARG_FLOAT:
{ double aDouble = *((float *)opt->arg);
- sprintf(le, "%g", aDouble);
- le += strlen(le);
+ le += snprintf(le, limit, "%g", aDouble);
} break;
case POPT_ARG_DOUBLE:
{ double aDouble = *((double *)opt->arg);
- sprintf(le, "%g", aDouble);
- le += strlen(le);
+ le += snprintf(le, limit, "%g", aDouble);
} break;
case POPT_ARG_STRING:
{ const char * s = *(const char **)opt->arg;
if (s == NULL) {
- strcpy(le, "null"); le += strlen(le);
+ le += strlcpy(le, "null", limit);
} else {
- size_t slen = 4*lineLength - (le - l) - sizeof("\"...\")");
+ size_t len;
+ limit -= 2; /* make room for quotes */
*le++ = '"';
- strncpy(le, s, slen); le[slen] = '\0'; le += strlen(le);
- if (slen < strlen(s)) {
- strcpy(le, "..."); le += strlen(le);
- }
+ len = strlcpy(le, s, limit);
+ if (len >= limit) {
+ le += limit - 3 - 1;
+ *le++ = '.'; *le++ = '.'; *le++ = '.';
+ } else
+ le += len;
*le++ = '"';
}
} break;
}
*le++ = ')';
*le = '\0';
+/*@=boundswrite@*/
return l;
}
/**
+ * Display help text for an option.
* @param fp output file handle
+ * @param maxLeftCol largest argument display width
* @param opt option(s)
* @param translation_domain translation domain
*/
-static void singleOptionHelp(FILE * fp, int maxLeftCol,
+static void singleOptionHelp(FILE * fp, size_t maxLeftCol,
const struct poptOption * opt,
- /*@null@*/ const char * translation_domain)
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@globals fileSystem @*/
/*@modifies *fp, fileSystem @*/
{
- int indentLength = maxLeftCol + 5;
- int lineLength = 79 - indentLength;
+ size_t indentLength = maxLeftCol + 5;
+ size_t lineLength = 79 - indentLength;
const char * help = D_(translation_domain, opt->descrip);
const char * argDescrip = getArgDescrip(opt, translation_domain);
- int helpLength;
+ size_t helpLength;
char * defs = NULL;
char * left;
- int nb = maxLeftCol + 1;
+ size_t lelen, limit;
+ size_t nb = maxLeftCol + 1;
+ int displaypad = 0;
/* 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 = 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,
+ snprintf(left, nb, "-%c, %s%s", opt->shortName,
((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
opt->longName);
else if (opt->shortName != '\0')
- sprintf(left, "-%c", opt->shortName);
+ snprintf(left, nb, "-%c", opt->shortName);
else if (opt->longName)
- sprintf(left, "%s%s",
+ snprintf(left, nb, "%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_SHOW_DEFAULT) {
defs = singleOptionDefaultValue(lineLength, opt, translation_domain);
if (defs) {
- char * t = malloc((help ? strlen(help) : 0) +
- strlen(defs) + sizeof(" "));
+ size_t bufsize = (help ? strlen(help) : 0) + sizeof " " + strlen(defs);
+ char * t = malloc(bufsize);
if (t) {
- char * te = t;
- *te = '\0';
- if (help) {
- strcpy(te, help); te += strlen(te);
- }
- *te++ = ' ';
- strcpy(te, defs);
+ snprintf(t, bufsize, "%s %s", help ? help : "", defs);
defs = _free(defs);
}
defs = t;
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);
default:
/*@innerbreak@*/ break;
}
- *le++ = '=';
+ *le++ = (opt->longName != NULL ? '=' : ' ');
if (negate) *le++ = '~';
/*@-formatconst@*/
- sprintf(le, (ops ? "0x%lx" : "%ld"), aLong);
- le += strlen(le);
+ limit = nb - (le - left);
+ lelen = snprintf(le, limit, (ops ? "0x%lx" : "%ld"), aLong);
+ le += lelen >= limit ? limit - 1 : lelen;
/*@=formatconst@*/
*le++ = ']';
- } break;
+ }
+#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);
+ *le++ = (opt->longName != NULL ? '=' : ' ');
+ limit = nb - (le - left);
+ lelen = strlcpy(le, argDescrip, limit);
+ le += lelen >= limit ? limit - 1 : lelen;
break;
default:
break;
}
} else {
+
*le++ = '=';
- strcpy(le, argDescrip); le += strlen(le);
+ limit = nb - (le - left);
+ lelen = strlcpy(le, argDescrip, limit);
+ if (lelen >= limit)
+ lelen = limit - 1;
+ le += lelen;
+
+#ifdef POPT_WCHAR_HACK
+ { const char * scopy = argDescrip;
+ mbstate_t t;
+ size_t n;
+
+ memset ((void *)&t, '\0', sizeof (t)); /* In initial state. */
+ /* Determine number of characters. */
+ n = mbsrtowcs (NULL, &scopy, strlen(scopy), &t);
+
+ displaypad = (int) (lelen-n);
+ }
+#endif
}
if (opt->argInfo & POPT_ARGFLAG_OPTIONAL)
*le++ = ']';
*le = '\0';
}
+/*@=boundswrite@*/
if (help)
- fprintf(fp," %-*s ", maxLeftCol, left);
+ fprintf(fp," %-*s ", (int)maxLeftCol+displaypad, left);
else {
fprintf(fp," %s\n", left);
goto out;
}
left = _free(left);
+/*@-branchstate@*/
if (defs) {
- help = defs; defs = NULL;
+ help = defs;
+ defs = NULL;
}
+/*@=branchstate@*/
helpLength = strlen(help);
+/*@-boundsread@*/
while (helpLength > lineLength) {
const char * ch;
- char format[10];
+ char format[16];
ch = help + lineLength - 1;
- while (ch > help && !isspace(*ch)) ch--;
+ while (ch > help && !isSpace(ch)) ch--;
if (ch == help) break; /* give up */
- while (ch > (help + 1) && isspace(*ch)) ch--;
+ while (ch > (help + 1) && isSpace(ch)) ch--;
ch++;
- sprintf(format, "%%.%ds\n%%%ds", (int) (ch - help), indentLength);
+ snprintf(format, sizeof format, "%%.%ds\n%%%ds", (int) (ch - help), (int) indentLength);
/*@-formatconst@*/
fprintf(fp, format, help, " ");
/*@=formatconst@*/
help = ch;
- while (isspace(*help) && *help) help++;
+ while (isSpace(help) && *help) help++;
helpLength = strlen(help);
}
+/*@=boundsread@*/
if (helpLength) fprintf(fp, "%s\n", help);
}
/**
+ * Find display width for longest argument string.
* @param opt option(s)
* @param translation_domain translation domain
+ * @return display width
*/
-static int maxArgWidth(const struct poptOption * opt,
- /*@null@*/ const char * translation_domain)
+static size_t maxArgWidth(const struct poptOption * opt,
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@*/
{
- int max = 0;
- int len = 0;
+ size_t max = 0;
+ size_t len = 0;
const char * s;
if (opt != NULL)
}
s = getArgDescrip(opt, translation_domain);
+
+#ifdef POPT_WCHAR_HACK
+ /* XXX Calculate no. of display characters. */
+ if (s) {
+ const char * scopy = s;
+ mbstate_t t;
+ size_t n;
+
+/*@-boundswrite@*/
+ memset ((void *)&t, '\0', sizeof (t)); /* In initial state. */
+/*@=boundswrite@*/
+ /* Determine number of characters. */
+ n = mbsrtowcs (NULL, &scopy, strlen(scopy), &t);
+ len += sizeof("=")-1 + n;
+ }
+#else
if (s)
len += sizeof("=")-1 + strlen(s);
+#endif
+
if (opt->argInfo & POPT_ARGFLAG_OPTIONAL) len += sizeof("[]")-1;
if (len > max) max = len;
}
* @param fp output file handle
* @param items alias/exec array
* @param nitems no. of alias/exec entries
+ * @param left largest argument display width
* @param translation_domain translation domain
*/
static void itemHelp(FILE * fp,
- /*@null@*/ poptItem items, int nitems, int left,
- /*@null@*/ const char * translation_domain)
+ /*@null@*/ poptItem items, int nitems, size_t left,
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@globals fileSystem @*/
/*@modifies *fp, fileSystem @*/
{
}
/**
+ * Display help text for a table of options.
+ * @param con context
* @param fp output file handle
* @param table option(s)
+ * @param left largest argument display width
* @param translation_domain translation domain
*/
static void singleTableHelp(poptContext con, FILE * fp,
- /*@null@*/ const struct poptOption * table, int left,
- /*@null@*/ const char * translation_domain)
+ /*@null@*/ const struct poptOption * table, size_t left,
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@globals fileSystem @*/
/*@modifies *fp, fileSystem @*/
{
fprintf(fp, POPT_("Usage:"));
if (!(con->flags & POPT_CONTEXT_KEEP_FIRST)) {
- /*@-nullderef@*/ /* LCL: wazzup? */
+/*@-boundsread@*/
+ /*@-nullderef -type@*/ /* LCL: wazzup? */
fn = con->optionStack->argv[0];
- /*@=nullderef@*/
+ /*@=nullderef =type@*/
+/*@=boundsread@*/
if (fn == NULL) return len;
if (strchr(fn, '/')) fn = strrchr(fn, '/') + 1;
fprintf(fp, " %s", fn);
return len;
}
-void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ int flags)
+void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ UNUSED(int flags))
{
- int leftColWidth;
+ size_t leftColWidth;
(void) showHelpIntro(con, fp);
if (con->otherHelp)
}
/**
+ * Display usage text for an option.
* @param fp output file handle
+ * @param cursor current display position
* @param opt option(s)
* @param translation_domain translation domain
*/
-static int singleOptionUsage(FILE * fp, int cursor,
+static size_t singleOptionUsage(FILE * fp, size_t cursor,
const struct poptOption * opt,
/*@null@*/ const char *translation_domain)
/*@globals fileSystem @*/
/*@modifies *fp, fileSystem @*/
{
- int len = 3;
+ size_t len = 4;
char shortStr[2] = { '\0', '\0' };
const char * item = shortStr;
const char * argDescrip = getArgDescrip(opt, translation_domain);
- if (opt->shortName!= '\0' ) {
- if (!(opt->argInfo & POPT_ARG_MASK))
- return cursor; /* we did these already */
+ 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 += 1 + strlen(opt->longName);
+ len += strlen(opt->longName);
+ if (!(opt->argInfo & POPT_ARGFLAG_ONEDASH)) len++;
item = opt->longName;
}
- if (len == 3) return cursor;
+ if (len == 4) return cursor;
+#ifdef POPT_WCHAR_HACK
+ /* XXX Calculate no. of display characters. */
+ if (argDescrip) {
+ const char * scopy = argDescrip;
+ mbstate_t t;
+ size_t n;
+
+/*@-boundswrite@*/
+ memset ((void *)&t, '\0', sizeof (t)); /* In initial state. */
+/*@=boundswrite@*/
+ /* Determine number of characters. */
+ n = mbsrtowcs (NULL, &scopy, strlen(scopy), &t);
+ len += sizeof("=")-1 + n;
+ }
+#else
if (argDescrip)
- len += strlen(argDescrip) + 1;
+ len += sizeof("=")-1 + strlen(argDescrip);
+#endif
if ((cursor + len) > 79) {
fprintf(fp, "\n ");
cursor = 7;
}
- fprintf(fp, " [-%s%s%s%s]",
- ((opt->shortName || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) ? "" : "-"),
- item,
- (argDescrip ? (opt->shortName != '\0' ? " " : "=") : ""),
- (argDescrip ? argDescrip : ""));
+ 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 current display position
* @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)
+static size_t itemUsage(FILE * fp, size_t cursor,
+ /*@null@*/ poptItem item, int nitems,
+ /*@null@*/ UNUSED(const char * translation_domain))
/*@globals fileSystem @*/
/*@modifies *fp, fileSystem @*/
{
}
/**
+ * 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 current display position
* @param opt option(s)
* @param translation_domain translation domain
+ * @param done tables already processed
+ * @return
*/
-static int singleTableUsage(poptContext con, FILE * fp,
- int cursor, const struct poptOption * opt,
- /*@null@*/ const char * translation_domain)
+static size_t singleTableUsage(poptContext con, FILE * fp, size_t cursor,
+ /*@null@*/ const struct poptOption * opt,
+ /*@null@*/ UNUSED(const char * translation_domain),
+ /*@null@*/ poptDone done)
/*@globals fileSystem @*/
- /*@modifies *fp, fileSystem @*/
+ /*@modifies *fp, done, fileSystem @*/
{
/*@-branchstate@*/ /* FIX: W2DO? */
if (opt != NULL)
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 (opt->arg) /* XXX program error */
+ 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);
+ translation_domain, done);
} else if ((opt->longName || opt->shortName) &&
!(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
cursor = singleOptionUsage(fp, cursor, opt, translation_domain);
/**
* 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
/*@null@*/ char * str)
/*@globals fileSystem @*/
/*@modifies *str, *fp, fileSystem @*/
+ /*@requires maxRead(str) >= 0 @*/
{
- char * s = alloca(300); /* larger then the ascii set */
+ /* bufsize larger then the ascii set, lazy alloca on top level call. */
+ char * s = (str != NULL ? str : memset(alloca(300), 0, 300));
+ int len = 0;
- s[0] = '\0';
- /*@-branchstate@*/ /* FIX: W2DO? */
- if (str == NULL) {
- memset(s, 0, sizeof(s));
- str = s;
- }
- /*@=branchstate@*/
+ if (s == NULL)
+ return 0;
+/*@-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;
+ s[strlen(s)] = 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);
+ len = showShortOptions(opt->arg, fp, s);
}
+/*@=boundswrite@*/
- if (s != str || *s != '\0')
- return 0;
-
- fprintf(fp, " [-%s]", s);
- return strlen(s) + 4;
+ /* 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)
+void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ UNUSED(int flags))
{
- int cursor;
+ poptDone done = memset(alloca(sizeof(*done)), 0, sizeof(*done));
+ size_t cursor;
+
+ done->nopts = 0;
+ done->maxopts = 64;
+ cursor = done->maxopts * sizeof(*done->opts);
+/*@-boundswrite@*/
+ done->opts = memset(alloca(cursor), 0, cursor);
+ /*@-keeptrans@*/
+ done->opts[done->nopts++] = (const void *) con->options;
+ /*@=keeptrans@*/
+/*@=boundswrite@*/
cursor = showHelpIntro(con, fp);
cursor += showShortOptions(con->options, fp, NULL);
- (void) singleTableUsage(con, fp, cursor, con->options, NULL);
- (void) itemUsage(fp, cursor, con->aliases, con->numAliases, NULL);
- (void) itemUsage(fp, cursor, con->execs, con->numExecs, 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;
con->otherHelp = _free(con->otherHelp);
con->otherHelp = xstrdup(text);
}
-/*@=type@*/