kopia lustrzana https://github.com/micropython/micropython
45 wiersze
1.7 KiB
C
45 wiersze
1.7 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <malloc.h>
|
|
|
|
// _snprintf/vsnprintf are fine, except the 'F' specifier is not handled
|
|
int snprintf(char *dest, size_t count, const char *format, ...) {
|
|
const size_t fmtLen = strlen(format) + 1;
|
|
char *fixedFmt = alloca(fmtLen);
|
|
for (size_t i = 0; i < fmtLen; ++i)
|
|
fixedFmt[i] = format[i] == 'F' ? 'f' : format[i];
|
|
|
|
va_list args;
|
|
va_start(args, format);
|
|
const int ret = vsnprintf(dest, count, fixedFmt, args);
|
|
va_end(args);
|
|
|
|
return ret;
|
|
}
|