diff options
author | Laslo Hunhold <dev@frign.de> | 2017-09-24 15:33:01 +0200 |
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committer | Aaron Marcher <me@drkhsh.at> | 2017-09-24 17:20:27 +0200 |
commit | 7246dc4381c6c95454672a5c1aff65a02d6d3747 (patch) | |
tree | 2264b09abf2e57daee396b632573f4b81e47aa59 /swap.c | |
parent | 61e44e894890c1521a01148fbf969cbd4dbb4cae (diff) |
Move components into dedicated subdirectory
This brings us a lot more tidiness.
Diffstat (limited to 'swap.c')
-rw-r--r-- | swap.c | 136 |
1 files changed, 0 insertions, 136 deletions
@@ -1,136 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include <err.h> -#include <stdio.h> -#include <string.h> - -#include "util.h" - -const char * -swap_free(void) -{ - long total, free; - FILE *fp; - size_t bytes_read; - char *match; - - fp = fopen("/proc/meminfo", "r"); - if (fp == NULL) { - warn("Failed to open file /proc/meminfo"); - return NULL; - } - - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - warn("swap_free: read error"); - fclose(fp); - return NULL; - } - fclose(fp); - - if ((match = strstr(buf, "SwapTotal")) == NULL) - return NULL; - sscanf(match, "SwapTotal: %ld kB\n", &total); - - if ((match = strstr(buf, "SwapFree")) == NULL) - return NULL; - sscanf(match, "SwapFree: %ld kB\n", &free); - - return bprintf("%f", (float)free / 1024 / 1024); -} - -const char * -swap_perc(void) -{ - long total, free, cached; - FILE *fp; - size_t bytes_read; - char *match; - - fp = fopen("/proc/meminfo", "r"); - if (fp == NULL) { - warn("Failed to open file /proc/meminfo"); - return NULL; - } - - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - warn("swap_perc: read error"); - fclose(fp); - return NULL; - } - fclose(fp); - - if ((match = strstr(buf, "SwapTotal")) == NULL) - return NULL; - sscanf(match, "SwapTotal: %ld kB\n", &total); - - if ((match = strstr(buf, "SwapCached")) == NULL) - return NULL; - sscanf(match, "SwapCached: %ld kB\n", &cached); - - if ((match = strstr(buf, "SwapFree")) == NULL) - return NULL; - sscanf(match, "SwapFree: %ld kB\n", &free); - - return bprintf("%d", 100 * (total - free - cached) / total); -} - -const char * -swap_total(void) -{ - long total; - FILE *fp; - size_t bytes_read; - char *match; - - fp = fopen("/proc/meminfo", "r"); - if (fp == NULL) { - warn("Failed to open file /proc/meminfo"); - return NULL; - } - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - warn("swap_total: read error"); - fclose(fp); - return NULL; - } - fclose(fp); - - if ((match = strstr(buf, "SwapTotal")) == NULL) - return NULL; - sscanf(match, "SwapTotal: %ld kB\n", &total); - - return bprintf("%f", (float)total / 1024 / 1024); -} - -const char * -swap_used(void) -{ - long total, free, cached; - FILE *fp; - size_t bytes_read; - char *match; - - fp = fopen("/proc/meminfo", "r"); - if (fp == NULL) { - warn("Failed to open file /proc/meminfo"); - return NULL; - } - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - warn("swap_used: read error"); - fclose(fp); - return NULL; - } - fclose(fp); - - if ((match = strstr(buf, "SwapTotal")) == NULL) - return NULL; - sscanf(match, "SwapTotal: %ld kB\n", &total); - - if ((match = strstr(buf, "SwapCached")) == NULL) - return NULL; - sscanf(match, "SwapCached: %ld kB\n", &cached); - - if ((match = strstr(buf, "SwapFree")) == NULL) - return NULL; - sscanf(match, "SwapFree: %ld kB\n", &free); - - return bprintf("%f", (float)(total - free - cached) / 1024 / 1024); -} |