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-rw-r--r--popt/popthelp.c591
1 files changed, 473 insertions, 118 deletions
diff --git a/popt/popthelp.c b/popt/popthelp.c
index c36ecead..17adc6f2 100644
--- a/popt/popthelp.c
+++ b/popt/popthelp.c
@@ -1,48 +1,92 @@
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
-/* (C) 1998 Red Hat Software, Inc. -- Licensing details are in the COPYING
+/*@-type@*/
+/** \ingroup popt
+ * \file popt/popthelp.c
+ */
+
+/* (C) 1998-2000 Red Hat, Inc. -- Licensing details are in the COPYING
file accompanying popt source distributions, available from
- ftp://ftp.redhat.com/pub/code/popt */
+ ftp://ftp.rpm.org/pub/rpm/dist. */
#include "system.h"
#include "poptint.h"
+/**
+ * @param con context
+ * @param key option(s)
+ */
static void displayArgs(poptContext con,
/*@unused@*/ enum poptCallbackReason foo,
struct poptOption * key,
- /*@unused@*/ const char * arg, /*@unused@*/ void * data) {
- if (key->shortName== '?')
+ /*@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 },
- { NULL, '\0', 0, NULL, 0, NULL, NULL }
+ { 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 *const
-getTableTranslationDomain(const struct poptOption *table)
+getTableTranslationDomain(/*@null@*/ const struct poptOption *table)
+ /*@*/
{
- const struct poptOption *opt;
-
- for(opt = table;
- opt->longName || opt->shortName || opt->arg;
- opt++) {
- if(opt->argInfo == POPT_ARG_INTL_DOMAIN)
- return opt->arg;
- }
+ const struct poptOption *opt;
- return NULL;
+ if (table != NULL)
+ for (opt = table; opt->longName || opt->shortName || opt->arg; opt++) {
+ if (opt->argInfo == POPT_ARG_INTL_DOMAIN)
+ return opt->arg;
+ }
+ return NULL;
}
+/**
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ */
/*@observer@*/ /*@null@*/ static const char *const
-getArgDescrip(const struct poptOption * opt, const char *translation_domain)
+getArgDescrip(const struct poptOption * opt,
+ /*@-paramuse@*/ /* FIX: wazzup? */
+ /*@null@*/ const char * translation_domain)
+ /*@=paramuse@*/
+ /*@*/
{
if (!(opt->argInfo & POPT_ARG_MASK)) return NULL;
@@ -50,45 +94,224 @@ getArgDescrip(const struct poptOption * opt, const char *translation_domain)
if (opt->argDescrip) return POPT_(opt->argDescrip);
if (opt->argDescrip) return D_(translation_domain, opt->argDescrip);
- return POPT_("ARG");
+
+ switch (opt->argInfo & POPT_ARG_MASK) {
+ case POPT_ARG_NONE: return POPT_("NONE");
+ case POPT_ARG_VAL: return POPT_("VAL");
+ 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");
+ }
+}
+
+/**
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ */
+static /*@only@*/ /*@null@*/ char *
+singleOptionDefaultValue(int lineLength,
+ const struct poptOption * opt,
+ /*@-paramuse@*/ /* FIX: i18n macros disable with lclint */
+ /*@null@*/ const char * translation_domain)
+ /*@=paramuse@*/
+ /*@*/
+{
+ const char * defstr = D_(translation_domain, "default");
+ char * le = malloc(4*lineLength + 1);
+ char * l = le;
+
+ if (le == NULL) return NULL; /* XXX can't happen */
+ *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 = _free(l);
+ return NULL;
+ /*@notreached@*/ break;
+ }
+ *le++ = ')';
+ *le = '\0';
+
+ return l;
}
-static void singleOptionHelp(FILE * f, int maxLeftCol,
- const struct poptOption * opt,
- const char *translation_domain) {
+/**
+ * @param fp output file handle
+ * @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;
- const char * ch;
- char format[10];
+ char * defs = NULL;
char * left;
- const char * argDescrip = getArgDescrip(opt, translation_domain);
+ 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);
- left = malloc(maxLeftCol + 1);
- *left = '\0';
+ 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", opt->shortName, opt->longName);
- else if (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", opt->longName);
- if (!*left) return ;
+ sprintf(left, "%s%s",
+ ((opt->argInfo & POPT_ARGFLAG_ONEDASH) ? "-" : "--"),
+ opt->longName);
+ if (!*left) goto out;
if (argDescrip) {
- strcat(left, "=");
- strcat(left, 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 = 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 = _free(defs);
+ }
+ defs = t;
+ }
+ }
+ /*@=branchstate@*/
+
+ if (opt->argDescrip == NULL) {
+ switch (opt->argInfo & POPT_ARG_MASK) {
+ case POPT_ARG_NONE:
+ break;
+ case POPT_ARG_VAL:
+ { 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++ = ']';
+ } 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';
}
if (help)
- fprintf(f," %-*s ", maxLeftCol, left);
+ fprintf(fp," %-*s ", maxLeftCol, left);
else {
- fprintf(f," %s\n", left);
+ fprintf(fp," %s\n", left);
goto out;
}
+ left = _free(left);
+ if (defs) {
+ help = defs; defs = NULL;
+ }
+
helpLength = strlen(help);
while (helpLength > lineLength) {
+ const char * ch;
+ char format[10];
+
ch = help + lineLength - 1;
while (ch > help && !isspace(*ch)) ch--;
if (ch == help) break; /* give up */
@@ -96,39 +319,56 @@ static void singleOptionHelp(FILE * f, int maxLeftCol,
ch++;
sprintf(format, "%%.%ds\n%%%ds", (int) (ch - help), indentLength);
- fprintf(f, format, help, " ");
+ /*@-formatconst@*/
+ fprintf(fp, format, help, " ");
+ /*@=formatconst@*/
help = ch;
while (isspace(*help) && *help) help++;
helpLength = strlen(help);
}
- if (helpLength) fprintf(f, "%s\n", help);
+ if (helpLength) fprintf(fp, "%s\n", help);
out:
- free(left);
+ /*@-dependenttrans@*/
+ defs = _free(defs);
+ /*@=dependenttrans@*/
+ left = _free(left);
}
+/**
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ */
static int maxArgWidth(const struct poptOption * opt,
- const char * translation_domain) {
+ /*@null@*/ const char * translation_domain)
+ /*@*/
+{
int max = 0;
- int this;
+ 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) {
- this = maxArgWidth(opt->arg, translation_domain);
- if (this > max) max = this;
+ 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)) {
- this = opt->shortName ? 2 : 0;
+ len = sizeof(" ")-1;
+ if (opt->shortName != '\0') len += sizeof("-X")-1;
+ if (opt->shortName != '\0' && opt->longName) len += sizeof(", ")-1;
if (opt->longName) {
- if (this) this += 2;
- this += strlen(opt->longName) + 2;
+ len += ((opt->argInfo & POPT_ARGFLAG_ONEDASH)
+ ? sizeof("-")-1 : sizeof("--")-1);
+ len += strlen(opt->longName);
}
s = getArgDescrip(opt, translation_domain);
if (s)
- this += strlen(s) + 1;
- if (this > max) max = this;
+ len += sizeof("=")-1 + strlen(s);
+ if (opt->argInfo & POPT_ARGFLAG_OPTIONAL) len += sizeof("[]")-1;
+ if (len > max) max = len;
}
opt++;
@@ -137,77 +377,134 @@ static int maxArgWidth(const struct poptOption * opt,
return max;
}
-static void singleTableHelp(FILE * f, const struct poptOption * table,
- int left,
- const char *translation_domain) {
+/**
+ * Display popt alias and exec help.
+ * @param fp output file handle
+ * @param items alias/exec array
+ * @param nitems no. of alias/exec entries
+ * @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);
+ }
+}
+
+/**
+ * @param fp output file handle
+ * @param table option(s)
+ * @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;
- opt = table;
- while (opt->longName || opt->shortName || opt->arg) {
+ 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(f, left, opt, translation_domain);
- opt++;
+ singleOptionHelp(fp, left, opt, translation_domain);
}
- opt = table;
- while (opt->longName || opt->shortName || opt->arg) {
- if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
- sub_transdom = getTableTranslationDomain(opt->arg);
- if(!sub_transdom)
- sub_transdom = 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(f, "\n%s\n", D_(sub_transdom, opt->descrip));
+ if (opt->descrip)
+ fprintf(fp, "\n%s\n", D_(sub_transdom, opt->descrip));
- singleTableHelp(f, opt->arg, left, sub_transdom);
- }
- opt++;
+ singleTableHelp(con, fp, opt->arg, left, sub_transdom);
}
}
-static int showHelpIntro(poptContext con, FILE * f) {
+/**
+ * @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(f, POPT_("Usage:"));
+ fprintf(fp, POPT_("Usage:"));
if (!(con->flags & POPT_CONTEXT_KEEP_FIRST)) {
+ /*@-nullderef@*/ /* LCL: wazzup? */
fn = con->optionStack->argv[0];
- if (strchr(fn, '/')) fn = strchr(fn, '/') + 1;
- fprintf(f, " %s", fn);
+ /*@=nullderef@*/
+ 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 * f, /*@unused@*/ int flags) {
+void poptPrintHelp(poptContext con, FILE * fp, /*@unused@*/ int flags)
+{
int leftColWidth;
- showHelpIntro(con, f);
+ (void) showHelpIntro(con, fp);
if (con->otherHelp)
- fprintf(f, " %s\n", con->otherHelp);
+ fprintf(fp, " %s\n", con->otherHelp);
else
- fprintf(f, " %s\n", POPT_("[OPTION...]"));
+ fprintf(fp, " %s\n", POPT_("[OPTION...]"));
leftColWidth = maxArgWidth(con->options, NULL);
- singleTableHelp(f, con->options, leftColWidth, NULL);
+ singleTableHelp(con, fp, con->options, leftColWidth, NULL);
}
-static int singleOptionUsage(FILE * f, int cursor,
- const struct poptOption * opt,
- const char *translation_domain) {
+/**
+ * @param fp output file handle
+ * @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 = 3;
char shortStr[2] = { '\0', '\0' };
const char * item = shortStr;
const char * argDescrip = getArgDescrip(opt, translation_domain);
- if (opt->shortName) {
+ if (opt->shortName!= '\0' ) {
if (!(opt->argInfo & POPT_ARG_MASK))
return cursor; /* we did these already */
len++;
- *shortStr = opt->shortName;
+ shortStr[0] = opt->shortName;
shortStr[1] = '\0';
} else if (opt->longName) {
len += 1 + strlen(opt->longName);
@@ -220,82 +517,140 @@ static int singleOptionUsage(FILE * f, int cursor,
len += strlen(argDescrip) + 1;
if ((cursor + len) > 79) {
- fprintf(f, "\n ");
+ fprintf(fp, "\n ");
cursor = 7;
}
- fprintf(f, " [-%s%s%s%s]", opt->shortName ? "" : "-", item,
- argDescrip ? (opt->shortName ? " " : "=") : "",
- argDescrip ? argDescrip : "");
+ fprintf(fp, " [-%s%s%s%s]",
+ ((opt->shortName || (opt->argInfo & POPT_ARGFLAG_ONEDASH)) ? "" : "-"),
+ item,
+ (argDescrip ? (opt->shortName != '\0' ? " " : "=") : ""),
+ (argDescrip ? argDescrip : ""));
return cursor + len + 1;
}
-static int singleTableUsage(FILE * f, int cursor, const struct poptOption * table,
- const char *translation_domain) {
- const struct poptOption * opt;
-
- opt = table;
- while (opt->longName || opt->shortName || opt->arg) {
- if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INTL_DOMAIN)
+/**
+ * Display popt alias and exec usage.
+ * @param fp output file handle
+ * @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->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE)
- cursor = singleTableUsage(f, cursor, opt->arg,
- translation_domain);
- else if ((opt->longName || opt->shortName) &&
- !(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN))
- cursor = singleOptionUsage(f, cursor, opt, translation_domain);
+ } else if ((opt->longName || opt->shortName) &&
+ !(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
+ cursor = singleOptionUsage(fp, cursor, opt, translation_domain);
+ }
+ }
+ /*@=branchstate@*/
- opt++;
+ return cursor;
+}
+
+/**
+ * @param fp output file handle
+ * @param opt option(s)
+ * @param translation_domain translation domain
+ */
+static int singleTableUsage(poptContext con, FILE * fp,
+ int cursor, const struct poptOption * opt,
+ /*@null@*/ const char * translation_domain)
+ /*@globals fileSystem @*/
+ /*@modifies *fp, 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 (opt->arg) /* XXX program error */
+ cursor = singleTableUsage(con, fp, cursor, opt->arg,
+ translation_domain);
+ } else if ((opt->longName || opt->shortName) &&
+ !(opt->argInfo & POPT_ARGFLAG_DOC_HIDDEN)) {
+ cursor = singleOptionUsage(fp, cursor, opt, translation_domain);
+ }
}
+ /*@=branchstate@*/
return cursor;
}
-static int showShortOptions(const struct poptOption * opt, FILE * f,
- char * str) {
- char s[300]; /* this is larger then the ascii set, so
- it should do just fine */
+/**
+ * Return concatenated short options for display.
+ * @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 then the ascii set */
s[0] = '\0';
+ /*@-branchstate@*/ /* FIX: W2DO? */
if (str == NULL) {
memset(s, 0, sizeof(s));
str = s;
}
+ /*@=branchstate@*/
- while (opt->longName || opt->shortName || opt->arg) {
+ 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)
- showShortOptions(opt->arg, f, str);
-
- opt++;
+ if (opt->arg) /* XXX program error */
+ (void) showShortOptions(opt->arg, fp, str);
}
- if (s != str || !*s)
+ if (s != str || *s != '\0')
return 0;
- fprintf(f, " [-%s]", s);
+ fprintf(fp, " [-%s]", s);
return strlen(s) + 4;
}
-void poptPrintUsage(poptContext con, FILE * f, /*@unused@*/ int flags) {
+void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ int flags)
+{
int cursor;
- cursor = showHelpIntro(con, f);
- cursor += showShortOptions(con->options, f, NULL);
- singleTableUsage(f, cursor, con->options, NULL);
+ 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);
if (con->otherHelp) {
cursor += strlen(con->otherHelp) + 1;
- if (cursor > 79) fprintf(f, "\n ");
- fprintf(f, " %s", con->otherHelp);
+ if (cursor > 79) fprintf(fp, "\n ");
+ fprintf(fp, " %s", con->otherHelp);
}
- fprintf(f, "\n");
+ fprintf(fp, "\n");
}
-void poptSetOtherOptionHelp(poptContext con, const char * text) {
- if (con->otherHelp) xfree(con->otherHelp);
+void poptSetOtherOptionHelp(poptContext con, const char * text)
+{
+ con->otherHelp = _free(con->otherHelp);
con->otherHelp = xstrdup(text);
}
+/*@=type@*/
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