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