From b1df89ed947503c74a61f36a1b3a92f5f424352e Mon Sep 17 00:00:00 2001
From: "Douglas B. Rumbaugh" <doug@douglasrumbaugh.com>
Date: Sat, 31 Dec 2022 17:21:08 -0500
Subject: Applied plumber patch

---
 st.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'st.c')

diff --git a/st.c b/st.c
index 1c2edd6..cf8ca74 100644
--- a/st.c
+++ b/st.c
@@ -27,6 +27,9 @@
 #elif defined(__FreeBSD__) || defined(__DragonFly__)
  #include <libutil.h>
 #endif
+#if defined(__OpenBSD__)
+ #include <sys/sysctl.h>
+#endif
 
 /* Arbitrary sizes */
 #define UTF_INVALID   0xFFFD
@@ -232,6 +235,22 @@ static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
 static const Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
 static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
 
+int
+subprocwd(char *path)
+{
+#if   defined(__linux)
+	if (snprintf(path, PATH_MAX, "/proc/%d/cwd", pid) < 0)
+		return -1;
+	return 0;
+#elif defined(__OpenBSD__)
+	size_t sz = PATH_MAX;
+	int name[3] = {CTL_KERN, KERN_PROC_CWD, pid};
+	if (sysctl(name, 3, path, &sz, 0, 0) == -1)
+		return -1;
+	return 0;
+#endif
+}
+
 ssize_t
 xwrite(int fd, const char *s, size_t len)
 {
@@ -803,7 +822,7 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
 		break;
 	default:
 #ifdef __OpenBSD__
-		if (pledge("stdio rpath tty proc", NULL) == -1)
+		if (pledge("stdio rpath tty proc ps exec", NULL) == -1)
 			die("pledge\n");
 #endif
 		close(s);
-- 
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