/* See LICENSE file for copyright and license details. */
#include <stdio.h>
-#if defined (__OpenBSD__)
-#include <sys/types.h>
-#include <sys/sysctl.h>
-#include <stdlib.h>
-#include <unistd.h>
-#endif
#include "../util.h"
#if defined(__linux__)
-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;
-}
+ const char *
+ ram_free(void)
+ {
+ long free;
+
+ return (pscanf("/proc/meminfo",
+ "MemTotal: %ld kB\n"
+ "MemFree: %ld kB\n"
+ "MemAvailable: %ld kB\n",
+ &free, &free, &free) == 3) ?
+ fmt_human_2(free * 1024, "B") : 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) ?
+ fmt_human_2(total * 1024, "B") : 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) ?
+ fmt_human_2((total - free - buffers - cached) * 1024, "B") : NULL;
+ }
#elif defined(__OpenBSD__)
-inline int
-load_uvmexp(struct uvmexp *uvmexp)
-{
- int uvmexp_mib[] = {CTL_VM, VM_UVMEXP};
- size_t size;
-
- size = sizeof(*uvmexp);
-
- return sysctl(uvmexp_mib, 2, uvmexp, &size, NULL, 0) >= 0 ? 1 : 0;
-}
-
-const char *
-ram_free(void)
-{
- struct uvmexp uvmexp;
- float free;
- int free_pages;
-
- if (load_uvmexp(&uvmexp)) {
- free_pages = uvmexp.npages - uvmexp.active;
- free = (double) (free_pages * uvmexp.pagesize) / 1024 / 1024 / 1024;
- return bprintf("%f", free);
+ #include <stdlib.h>
+ #include <sys/sysctl.h>
+ #include <sys/types.h>
+ #include <unistd.h>
+
+ #define LOG1024 10
+ #define pagetok(size, pageshift) ((size) << (pageshift - LOG1024))
+
+ inline int
+ load_uvmexp(struct uvmexp *uvmexp)
+ {
+ int uvmexp_mib[] = {CTL_VM, VM_UVMEXP};
+ size_t size;
+
+ size = sizeof(*uvmexp);
+
+ return sysctl(uvmexp_mib, 2, uvmexp, &size, NULL, 0) >= 0 ? 1 : 0;
}
- return NULL;
-}
+ const char *
+ ram_free(void)
+ {
+ struct uvmexp uvmexp;
+ int free_pages;
-const char *
-ram_perc(void)
-{
- struct uvmexp uvmexp;
- int percent;
+ if (load_uvmexp(&uvmexp)) {
+ free_pages = uvmexp.npages - uvmexp.active;
+ return fmt_human_2(pagetok(free_pages, uvmexp.pageshift) * 1024, "B");
+ }
- if (load_uvmexp(&uvmexp)) {
- percent = uvmexp.active * 100 / uvmexp.npages;
- return bprintf("%d", percent);
+ return NULL;
}
- return NULL;
-}
+ const char *
+ ram_perc(void)
+ {
+ struct uvmexp uvmexp;
+ int percent;
-const char *
-ram_total(void)
-{
- struct uvmexp uvmexp;
- float total;
+ if (load_uvmexp(&uvmexp)) {
+ percent = uvmexp.active * 100 / uvmexp.npages;
+ return bprintf("%d%%", percent);
+ }
- if (load_uvmexp(&uvmexp)) {
- total = (double) (uvmexp.npages * uvmexp.pagesize) / 1024 / 1024 / 1024;
- return bprintf("%f", total);
+ return NULL;
}
- return NULL;
-}
+ const char *
+ ram_total(void)
+ {
+ struct uvmexp uvmexp;
-const char *
-ram_used(void)
-{
- struct uvmexp uvmexp;
- float used;
+ if (load_uvmexp(&uvmexp)) {
+ return fmt_human_2(pagetok(uvmexp.npages, uvmexp.pageshift) * 1024, "B");
+ }
- if (load_uvmexp(&uvmexp)) {
- used = (double) (uvmexp.active * uvmexp.pagesize) / 1024 / 1024 / 1024;
- return bprintf("%f", used);
+ return NULL;
}
- return NULL;
-}
+ const char *
+ ram_used(void)
+ {
+ struct uvmexp uvmexp;
+
+ if (load_uvmexp(&uvmexp)) {
+ return fmt_human_2(pagetok(uvmexp.active, uvmexp.pageshift) * 1024, "B");
+ }
+
+ return NULL;
+ }
#endif