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 */
if (!str) {
str = s;
memset(str, 0, sizeof(str));
}
while (opt->longName || opt->shortName || opt->arg) {
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 (s != str || !*s)
return 0;
fprintf(f, " [-%s]", s);
return strlen(s) + 4;
}
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");
}
/**
* 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;
}
/**
* 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 @*/
{
size_t size = 300; /* larger then the ascii set */
char * s = alloca(size);
s[0] = '\0';
/*@-branchstate@*/ /* FIX: W2DO? */
if (str == NULL) {
memset(s, 0, size);
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 * f, int flags) {
int cursor;
cursor = showHelpIntro(con, f);
cursor += showShortOptions(con->options, f, NULL);
singleTableUsage(f, cursor, con->options);
if (con->otherHelp) {
cursor += strlen(con->otherHelp) + 1;
if (cursor > 79) fprintf(f, "\n ");
fprintf(f, " %s", con->otherHelp);
}
fprintf(f, "\n [LIBRARIES]\n");
}
/**
* 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 size_t 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 allocation on top level call. */
size_t nb = (size_t)300;
char * s = (str != NULL ? str : (char*) calloc((size_t)1, nb));
size_t len = (size_t)0;
assert(s); /* XXX can't happen */
if (s == NULL)
return 0;
if (opt != NULL)
for (; (opt->longName || opt->shortName || opt->arg); opt++) {
if (!F_ISSET(opt, DOC_HIDDEN) && opt->shortName && !poptArgType(opt))
{
/* Display shortName iff unique printable non-space. */
if (!strchr(s, opt->shortName) && isprint((int)opt->shortName)
&& opt->shortName != ' ')
s[strlen(s)] = opt->shortName;
} else if (poptArgType(opt) == POPT_ARG_INCLUDE_TABLE)
if (opt->arg) /* XXX program error */
len = showShortOptions(opt->arg, fp, s);
}
/* 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;
}
/*@-temptrans@*/ /* LCL: local s, not str arg, is being freed. */
if (s != str)
free(s);
/*@=temptrans@*/
return len;
}
void poptPrintUsage(poptContext con, FILE * fp, /*@unused@*/ UNUSED(int flags))
{
columns_t columns = (columns_t) xcalloc((size_t)1, sizeof(*columns));
struct poptDone_s done_buf;
poptDone done = &done_buf;
assert(columns); /* XXX can't happen */
memset(done, 0, sizeof(*done));
done->nopts = 0;
done->maxopts = 64;
if (columns) {
columns->cur = done->maxopts * sizeof(*done->opts);
columns->max = maxColumnWidth(fp);
done->opts = (const void**) xcalloc((size_t)1, columns->cur);
assert(done->opts); /* XXX can't happen */
/*@-keeptrans@*/
if (done->opts != NULL)
done->opts[done->nopts++] = (const void *) con->options;
/*@=keeptrans@*/
columns->cur = showHelpIntro(con, fp);
columns->cur += showShortOptions(con->options, fp, NULL);
columns->cur = singleTableUsage(con, fp, columns, con->options, NULL, done);
columns->cur = itemUsage(fp, columns, con->aliases, con->numAliases, NULL);
columns->cur = itemUsage(fp, columns, con->execs, con->numExecs, NULL);
if (con->otherHelp) {
columns->cur += strlen(con->otherHelp) + 1;
if (columns->cur > columns->max) fprintf(fp, "\n ");
fprintf(fp, " %s", con->otherHelp);
}
fprintf(fp, "\n");
if (done->opts != NULL)
free(done->opts);
free(columns);
}
}
