small regression test for getexecpath(3)HEADmaster

3 files changed, 34 insertions, 2 deletions

diff --git a/src/regress/lib/libc/Makefile b/src/regress/lib/libc/Makefile
index 555b826e96..c43cb5aa6c 100644
--- a/src/regress/lib/libc/Makefile
+++ b/src/regress/lib/libc/Makefile
@@ -1,11 +1,11 @@
-#       $OpenBSD: Makefile,v 1.64 2026/06/27 17:52:29 jca Exp $
+#       $OpenBSD: Makefile,v 1.65 2026/08/31 15:17:51 deraadt Exp $
 
 SUBDIR+= _setjmp
 SUBDIR+= alloca arc4random-fork atexit
 SUBDIR+= basename
 SUBDIR+= cephes cxa-atexit
 SUBDIR+= db dirname
-SUBDIR+= elf_aux_info
+SUBDIR+= elf_aux_info getexecpath
 SUBDIR+= env explicit_bzero
 SUBDIR+= ffs fmemopen fnmatch fpclassify fread freeaddrinfo
 SUBDIR+= gcvt getaddrinfo getcap getopt getopt_long glob
diff --git a/src/regress/lib/libc/getexecpath/Makefile b/src/regress/lib/libc/getexecpath/Makefile
new file mode 100644
index 0000000000..c952c5cb38
--- /dev/null
+++ b/src/regress/lib/libc/getexecpath/Makefile
@@ -0,0 +1,8 @@
+PROG=getexecpath
+
+WARNINGS=yes
+
+run-regress-${PROG}:    ${PROG}
+        ./${PROG} `cd ${.OBJDIR} && pwd -P`/${PROG}
+
+.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/getexecpath/getexecpath.c b/src/regress/lib/libc/getexecpath/getexecpath.c
new file mode 100644
index 0000000000..c0ee005ca2
--- /dev/null
+++ b/src/regress/lib/libc/getexecpath/getexecpath.c
@@ -0,0 +1,24 @@
+#include <sys/types.h>
+#include <sys/auxv.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdio.h>
+#include <err.h>
+
+int
+main(int argc, char *argv[])
+{
+        char path[PATH_MAX];
+
+        if (argc < 1)
+                errx(1, "usage: getexecpath expected-path");
+
+        if (getexecpath(path, sizeof path) == -1)
+                err(1, "getexepath: on path");
+        if (strcmp(path, argv[1]) != 0)
+                exit(1);
+        printf("getexecpath(3) is working\n");
+        exit(0);
+}