5
mirror of https://gitlab.com/zephray/glider.git synced 2026-01-11 15:11:13 +00:00
glider/fw/User/shell/shell_printf.c
2025-04-15 17:28:05 +08:00

60 lines
1.5 KiB
C

//
// Grimoire
// Copyright 2025 Wenting Zhang
//
// Original copyright information:
// Copyright (c) 2022 - Analog Devices Inc. All Rights Reserved.
//
// This file is licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
//
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "shell_printf.h"
#include "term.h"
#include "shell.h"
/* Use lightweight printf */
//#include "printf.h"
int shell_vprintf(shell_context_t *ctx, const char *fmt, va_list ap)
{
va_list va;
char *str;
va = ap;
int len = vsnprintf(NULL, 0, fmt, va);
va = ap;
str = SHELL_MALLOC(len + 1);
vsnprintf(str, len + 1, fmt, va);
term_putstr(&ctx->t, str, len);
SHELL_FREE(str);
return(len);
}
int shell_printf(shell_context_t *ctx, const char* fmt, ...)
{
va_list va;
char *str;
va_start(va, fmt);
int len = vsnprintf(NULL, 0, fmt, va);
va_end(va);
va_start(va, fmt);
str = SHELL_MALLOC(len + 1);
vsnprintf(str, len + 1, fmt, va);
va_end(va);
term_putstr(&ctx->t, str, len);
SHELL_FREE(str);
return(len);
}