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/*
*
* Copyright (C) 2022 Maxime Schmitt <maxime.schmitt91@gmail.com>
*
* This file is part of Nvtop.
*
* Nvtop is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Nvtop is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nvtop. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef NVTOP_COMMON_H__
#define NVTOP_COMMON_H__
#if !defined(HAS_REALLOCARRAY)
#include <errno.h>
#include <stdlib.h>
#undef reallocarray
// Reallocarray from musl libc (https://git.musl-libc.org/cgit/musl/tree/src/malloc/reallocarray.c)
static void *nvtop_reallocarray__(void *ptr, size_t nmemb, size_t size) {
if (size && nmemb > -1 / size) {
errno = ENOMEM;
return NULL;
}
return realloc(ptr, nmemb * size);
}
#define reallocarray(ptr, nmemb, size) nvtop_reallocarray__(ptr, nmemb, size)
#endif // !defined(HAS_REALLOCARRAY)
// Increment for the number of tracked processes
// 16 has been experimentally selected for being small while avoiding multipe allocations in most common cases
#define COMMON_PROCESS_LINEAR_REALLOC_INC 16
#define MAX_LINES_PER_PLOT 4
// Helper macro to stringify an integer
#define QUOTE(x) #x
#define EXPAND_AND_QUOTE(x) QUOTE(x)
#endif // NVTOP_COMMON_H__
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