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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <console/vtxprintf.h>
#include <string.h>
#include <trace.h>
struct vsnprintf_context {
char *str_buf;
size_t buf_limit;
};
static void str_tx_byte(unsigned char byte, void *data)
{
struct vsnprintf_context *ctx = data;
if (ctx->buf_limit) {
*ctx->str_buf = byte;
ctx->str_buf++;
ctx->buf_limit--;
}
}
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
{
int i;
struct vsnprintf_context ctx;
DISABLE_TRACE;
ctx.str_buf = buf;
ctx.buf_limit = size ? size - 1 : 0;
i = vtxprintf(str_tx_byte, fmt, args, &ctx);
if (size)
*ctx.str_buf = '\0';
ENABLE_TRACE;
return i;
}
int snprintf(char *buf, size_t size, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i = vsnprintf(buf, size, fmt, args);
va_end(args);
return i;
}
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