[PATCH 32/32] execve.2: Fix absolute/relative pathname

[Alejandro Colomar <alx.manpages@gmail.com>]

From: Shawn Landden <shawn@git.icu>

The absolute pathname is available in the Linux-specific
auxiliary-vector feature.

Reported-by: Nora Platiel <nplatiel@gmx.us>
Signed-off-by: Shawn Landden <shawn@git.icu>
Reviewed-by: Nora Platiel <nplatiel@gmx.us>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man2/execve.2 | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/man2/execve.2 b/man2/execve.2
index c18ca5412..7fe12ab42 100644
--- a/man2/execve.2
+++ b/man2/execve.2
@@ -346,7 +346,9 @@ will be invoked with the following arguments:
 .PP
 where
 .I pathname
-is the absolute pathname of the file specified as the first argument of
+is the absolute pathname of the file specified (may be relative to
+.BR getcwd (3)
+of the caller) as the first argument of
 .BR execve (),
 and
 .I arg...
@@ -356,6 +358,11 @@ argument of
 .BR execve (),
 starting at
 .IR argv[1] .
+The absolute pathname of the script is also available
+in the same auxiliary vector the environment and argument variables are in, as
+.BR AT_EXECFN .
+See
+.BR getauxval (3).
 Note that there is no way to get the
 .IR argv[0]
 that was passed to the
-- 
2.32.0