48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* mem_linux.c - get memory status
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*
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* Copyright (C) 2003 Draghicioiu Mihai <misuceldestept@go.ro>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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long long int mem_total, mem_used, mem_free, mem_shared, mem_buffers, mem_cached;
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long long int swp_total, swp_used, swp_free;
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void mem_getfree()
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{
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FILE *file;
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file = fopen("/proc/meminfo", "r");
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if(!file)
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{
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perror("/proc/meminfo");
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exit(1);
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}
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fscanf(file, "MemTotal: %lld kB MemFree: %lld kB MemAvailable: %*d kB "
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"Buffers: %lld kB Cached: %lld kB",
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&mem_total, &mem_free, &mem_buffers, &mem_cached);
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for (int i = 0; i < 10; i++) {
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while (fgetc(file) != '\n') {}
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}
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fscanf(file, "SwapTotal: %lld kB SwapFree: %lld kB", &swp_total, &swp_free);
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fclose(file);
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mem_used = mem_total - mem_free;
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swp_used = swp_total - swp_free;
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}
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