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Use sysctl instead of /proc to find executable path on FreeBSD

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..since /proc usually isn't mounted on FreeBSD.

Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Juergen Lock 2010-03-25 22:07:12 +01:00 committed by Blue Swirl
parent 2b5eb37123
commit 92c0e6579c
1 changed files with 8 additions and 4 deletions
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12
vl.c
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@ -52,6 +52,7 @@
#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#include <libutil.h>
#include <sys/sysctl.h>
#else
#include <util.h>
#endif
@ -2276,10 +2277,13 @@ static char *find_datadir(const char *argv0)
}
#elif defined(__FreeBSD__)
{
int len;
len = readlink("/proc/curproc/file", buf, sizeof(buf) - 1);
if (len > 0) {
buf[len] = 0;
static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
size_t len = sizeof(buf) - 1;
*buf = '\0';
if (!sysctl(mib, sizeof(mib)/sizeof(*mib), buf, &len, NULL, 0) &&
*buf) {
buf[sizeof(buf) - 1] = '\0';
p = buf;
}
}