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.The `which` command no longer fails for a long path
Previously, when you executed the `which` command in a directory with a path longer than 256 characters, the command failed with the `Can't get current working directory` error message. With this fix, the `which` command now uses the `PATH_MAX` value for the path length limit. As a result, the command no longer fails.
Description of problem:
=======================
/usr/bin/which fails for long path
Version-Release number of selected component (if applicable):
which-2.21-28.el9.x86_64
How reproducible:
====================
Steps to Reproduce:
-------------------
1. Create Directory with long path
# mkdir -p /tmp/1111111111222222222233333333334444444444555555555566666666667777777777888888888899999999990000000000/1111111111222222222233333333334444444444555555555566666666667777777777888888888899999999990000000000/11111111112222222222333333333344444444445555555555
2. Change directory to the created one
# cd !$
3. Execute which command
# which cd
Actual results:
=================
Fails with error:
Can't get current working directory
Expected results:
===================
Should show below results
$ which cd
/usr/bin/cd
Additional info:
=================
In RHEL 7,8 and 9)
-------------------
The buffer is 256 in which.c
static char home[256];
static char cwd[256];
static char result[256];
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (which bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2023:6599
Description of problem: ======================= /usr/bin/which fails for long path Version-Release number of selected component (if applicable): which-2.21-28.el9.x86_64 How reproducible: ==================== Steps to Reproduce: ------------------- 1. Create Directory with long path # mkdir -p /tmp/1111111111222222222233333333334444444444555555555566666666667777777777888888888899999999990000000000/1111111111222222222233333333334444444444555555555566666666667777777777888888888899999999990000000000/11111111112222222222333333333344444444445555555555 2. Change directory to the created one # cd !$ 3. Execute which command # which cd Actual results: ================= Fails with error: Can't get current working directory Expected results: =================== Should show below results $ which cd /usr/bin/cd Additional info: ================= In RHEL 7,8 and 9) ------------------- The buffer is 256 in which.c static char home[256]; static char cwd[256]; static char result[256];