diff options
Diffstat (limited to 'components/swap.c')
-rw-r--r-- | components/swap.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/components/swap.c b/components/swap.c deleted file mode 100644 index f3bbeb2..0000000 --- a/components/swap.c +++ /dev/null @@ -1,138 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#if defined(__linux__) -#include <errno.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) { - fprintf(stderr, "fopen '/proc/meminfo': %s\n", strerror(errno)); - return NULL; - } - - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - fprintf(stderr, "fread '/proc/meminfo': %s\n", strerror(errno)); - 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) { - fprintf(stderr, "fopen '/proc/meminfo': %s\n", strerror(errno)); - return NULL; - } - - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - fprintf(stderr, "fread '/proc/meminfo': %s\n", strerror(errno)); - 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) { - fprintf(stderr, "fopen '/proc/meminfo': %s\n", strerror(errno)); - return NULL; - } - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - fprintf(stderr, "fread '/proc/meminfo': %s\n", strerror(errno)); - 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) { - fprintf(stderr, "fopen '/proc/meminfo': %s\n", strerror(errno)); - return NULL; - } - if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) { - fprintf(stderr, "fread '/proc/meminfo': %s\n", strerror(errno)); - 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); -} -#endif |