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fix: look up window cwd on FreeBSD and OpenBSD #30

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Merged
markparonyan merged 1 commit into from
Oct 1, 2026
Merged

fix: look up window cwd on FreeBSD and OpenBSD #30

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26 changes: 26 additions & 0 deletions dvtm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,13 @@
#include <errno.h>
#include <pwd.h>
#include <termios.h>
#if defined(__FreeBSD__)
# include <sys/param.h>
# include <sys/sysctl.h>
# include <sys/user.h>
#elif defined(__OpenBSD__)
# include <sys/sysctl.h>
#endif
#include "vt.h"

#ifdef PDCURSES
Expand Down Expand Up @@ -1146,9 +1153,28 @@ cleanup(void) {
static char *getcwd_by_pid(Client *c) {
if (!c)
return NULL;
#if defined(__FreeBSD__)
int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_CWD, c->pid };
struct kinfo_file kf;
size_t len = sizeof kf;
memset(&kf, 0, sizeof kf);
kf.kf_structsize = sizeof kf;
if (sysctl(mib, 4, &kf, &len, NULL, 0) == -1 || !kf.kf_path[0])
return NULL;
return strdup(kf.kf_path);
#elif defined(__OpenBSD__)
int mib[3] = { CTL_KERN, KERN_PROC_CWD, c->pid };
char path[PATH_MAX];
size_t len = sizeof path;
if (sysctl(mib, 3, path, &len, NULL, 0) == -1)
return NULL;
path[sizeof path - 1] = '\0';
return strdup(path);
#else
char buf[32];
snprintf(buf, sizeof buf, "/proc/%d/cwd", c->pid);
return realpath(buf, NULL);
#endif
}

static void
Expand Down
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