52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include "../util.h"
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const char *
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ram_free(void)
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{
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long free;
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return (pscanf("/proc/meminfo", "MemFree: %ld kB\n", &free) == 1) ?
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bprintf("%f", (float)free / 1024 / 1024) : NULL;
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}
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const char *
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ram_perc(void)
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{
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long total, free, buffers, cached;
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return (pscanf("/proc/meminfo",
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"MemTotal: %ld kB\n"
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"MemFree: %ld kB\n"
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"MemAvailable: %ld kB\nBuffers: %ld kB\n"
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"Cached: %ld kB\n",
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&total, &free, &buffers, &buffers, &cached) == 5) ?
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bprintf("%d", 100 * ((total - free) - (buffers + cached)) / total) :
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NULL;
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}
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const char *
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ram_total(void)
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{
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long total;
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return (pscanf("/proc/meminfo", "MemTotal: %ld kB\n", &total) == 1) ?
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bprintf("%f", (float)total / 1024 / 1024) : NULL;
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}
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const char *
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ram_used(void)
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{
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long total, free, buffers, cached;
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return (pscanf("/proc/meminfo",
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"MemTotal: %ld kB\n"
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"MemFree: %ld kB\n"
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"MemAvailable: %ld kB\nBuffers: %ld kB\n"
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"Cached: %ld kB\n",
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&total, &free, &buffers, &buffers, &cached) == 5) ?
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bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) :
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NULL;
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}
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