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Outline
#include "argtable3.h"
#include "argtable3_private.h"
#include <stdlib.h>
arg_end_resetfn(struct arg_end *)
arg_end_errorfn(void *, arg_dstr_t, int, const char *, const char *)
arg_end(int)
arg_print_errors_ds(arg_dstr_t, struct arg_end *, const char *)
arg_print_errors(FILE *, struct arg_end *, const char *)
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/console/argtable3/arg_end.c
 
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/* * SPDX-FileCopyrightText: 1998-2001,2003-2011,2013 Stewart Heitmann * * SPDX-License-Identifier: BSD-3-Clause *//* ... */ /******************************************************************************* * arg_end: Implements the error handling utilities * * This file is part of the argtable3 library. * * Copyright (C) 1998-2001,2003-2011,2013 Stewart Heitmann * <sheitmann@users.sourceforge.net> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of STEWART HEITMANN nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL STEWART HEITMANN BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************//* ... */ #include "argtable3.h" #ifndef ARG_AMALGAMATION #include "argtable3_private.h" #endif #include <stdlib.h> static void arg_end_resetfn(struct arg_end* parent) { ARG_TRACE(("%s:resetfn(%p)\n", __FILE__, parent)); parent->count = 0; }{ ... } static void arg_end_errorfn(void* parent, arg_dstr_t ds, int error, const char* argval, const char* progname) { /* suppress unreferenced formal parameter warning */ (void)parent; progname = progname ? progname : ""; argval = argval ? argval : ""; arg_dstr_catf(ds, "%s: ", progname); switch (error) { case ARG_ELIMIT: arg_dstr_cat(ds, "too many errors to display"); break;... case ARG_EMALLOC: arg_dstr_cat(ds, "insufficient memory"); break;... case ARG_ENOMATCH: arg_dstr_catf(ds, "unexpected argument \"%s\"", argval); break;... case ARG_EMISSARG: arg_dstr_catf(ds, "option \"%s\" requires an argument", argval); break;... case ARG_ELONGOPT: arg_dstr_catf(ds, "invalid option \"%s\"", argval); break;... default: arg_dstr_catf(ds, "invalid option \"-%c\"", error); break;... }{...} arg_dstr_cat(ds, "\n"); }{ ... } struct arg_end* arg_end(int maxcount) { size_t nbytes; struct arg_end* result; nbytes = sizeof(struct arg_end) + (size_t)maxcount * sizeof(int) /* storage for int error[maxcount] array*/ + (size_t)maxcount * sizeof(void*) /* storage for void* parent[maxcount] array */ + (size_t)maxcount * sizeof(char*); /* storage for char* argval[maxcount] array */ result = (struct arg_end*)xmalloc(nbytes); /* init the arg_hdr struct */ result->hdr.flag = ARG_TERMINATOR; result->hdr.shortopts = NULL; result->hdr.longopts = NULL; result->hdr.datatype = NULL; result->hdr.glossary = NULL; result->hdr.mincount = 1; result->hdr.maxcount = maxcount; result->hdr.parent = result; result->hdr.resetfn = (arg_resetfn*)arg_end_resetfn; result->hdr.scanfn = NULL; result->hdr.checkfn = NULL; result->hdr.errorfn = (arg_errorfn*)arg_end_errorfn; /* store error[maxcount] array immediately after struct arg_end */ result->error = (int*)(result + 1); /* store parent[maxcount] array immediately after error[] array */ result->parent = (void**)(result->error + maxcount); /* store argval[maxcount] array immediately after parent[] array */ result->argval = (const char**)(result->parent + maxcount); ARG_TRACE(("arg_end(%d) returns %p\n", maxcount, result)); return result; }{ ... } void arg_print_errors_ds(arg_dstr_t ds, struct arg_end* end, const char* progname) { int i; ARG_TRACE(("arg_errors()\n")); for (i = 0; i < end->count; i++) { struct arg_hdr* errorparent = (struct arg_hdr*)(end->parent[i]); if (errorparent->errorfn) errorparent->errorfn(end->parent[i], ds, end->error[i], end->argval[i], progname); }{...} }{ ... } void arg_print_errors(FILE* fp, struct arg_end* end, const char* progname) { arg_dstr_t ds = arg_dstr_create(); arg_print_errors_ds(ds, end, progname); fputs(arg_dstr_cstr(ds), fp); arg_dstr_destroy(ds); }{ ... }
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