suckless/slstatus
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added memory values ram functions

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Aaron Marcher 2016-06-10 18:46:47 +02:00 committed by Aaron Marcher (drkhsh)
parent c7f3a407f4
commit 688c2d43e2
2 changed files with 79 additions and 0 deletions
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76
slstatus.c
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@ -273,6 +273,30 @@ ip(const char *interface)
return smprintf("n/a");
}
/* ram free */
char *
ram_free(const char *null)
{
long free;
FILE *fp;
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.");
return smprintf("n/a");
}
/* read the values */
fscanf(fp, "MemTotal: %*d kB\n");
fscanf(fp, "MemFree: %ld kB\n", &free);
/* close meminfo file */
fclose(fp);
/* return free ram as string */
return smprintf("%f", (float)free / 1024 / 1024);
}
/* ram percentage */
char *
ram_perc(const char *null)
@ -303,6 +327,58 @@ ram_perc(const char *null)
return smprintf("%d%%", perc);
}
/* ram total */
char *
ram_total(const char *null)
{
long total;
FILE *fp;
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.");
return smprintf("n/a");
}
/* read the values */
fscanf(fp, "MemTotal: %ld kB\n", &total);
/* close meminfo file */
fclose(fp);
/* return total ram as string */
return smprintf("%f", (float)total / 1024 / 1024);
}
/* ram used */
char *
ram_used(const char *null)
{
long free, total, buffers, cached, used;
FILE *fp;
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.");
return smprintf("n/a");
}
/* read the values */
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fscanf(fp, "MemAvailable: %ld kB\nBuffers: %ld kB\n", &buffers, &buffers);
fscanf(fp, "Cached: %ld kB\n", &cached);
/* close meminfo file */
fclose(fp);
/* calculate used */
used = total - free - buffers - cached;
/* return used ram as string */
return smprintf("%f", (float)used / 1024 / 1024);
}
/* temperature */
char *
temp(const char *file)

3
slstatus.h
View file

@ -21,7 +21,10 @@ char *disk_perc(const char *);
char *entropy(const char*);
char *hostname(const char *);
char *ip(const char *);
char *ram_free(const char *);
char *ram_perc(const char *);
char *ram_used(const char *);
char *ram_total(const char *);
char *temp(const char *);
char *vol_perc(const char *);
char *wifi_perc(const char *);