Avoid decimal point localization in /proc/loadavg

Explicitly format the contents of /proc/loadavg to avoid the decimal point
getting localized according to LC_NUMERIC. Using anything other than '.' is
wrong and breaks top.

Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
This commit is contained in:
Jon Turney 2017-04-08 13:39:44 +01:00
parent c47c9bdc1b
commit c84697c259
1 changed files with 8 additions and 3 deletions

View File

@ -30,6 +30,7 @@ details. */
#include <wctype.h>
#include "cpuid.h"
#include "mount.h"
#include <math.h>
#define _COMPILING_NEWLIB
#include <dirent.h>
@ -432,10 +433,14 @@ format_proc_loadavg (void *, char *&destbuf)
double loadavg[3] = { 0.0, 0.0, 0.0 };
getloadavg (loadavg, 3);
#define HUNDRETHS(l) (int)((l - floor(l))*100)
destbuf = (char *) crealloc_abort (destbuf, 48);
return sprintf (destbuf, "%.2f %.2f %.2f %u/%u\n",
loadavg[0], loadavg[1], loadavg[2], running,
(unsigned int)pids.npids);
return __small_sprintf (destbuf, "%u.%02u %u.%02u %u.%02u %u/%u\n",
(int)loadavg[0], HUNDRETHS(loadavg[0]),
(int)loadavg[1], HUNDRETHS(loadavg[1]),
(int)loadavg[2], HUNDRETHS(loadavg[2]),
running, (unsigned int)pids.npids);
}
static off_t