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 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); } }