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From:   bugzilla-daemon@bugzilla.kernel.org
To:     linux-man@vger.kernel.org
Subject: [Bug 215097] Example in getpwnam_r man page compares size_t variable
 to -1
Date:   Tue, 23 Nov 2021 11:46:53 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=3D215097

--- Comment #3 from Alejandro Colomar (man-pages) (alx.manpages@gmail.com) =
---
Makes sense.  Fixed.
I'll keep the bug open until I fix sysconf(3) too.

Thanks!
Alex

    getpwnam.3: EXAMPLES: Fix signedness

    sysconf(3) returns a long.  Since it can return -1 (and we're
    making use of that value), we can't use size_t for bufsize.
    Use long.

    Link: <https://bugzilla.kernel.org/show_bug.cgi?id=3D215097>
    Reported-by: Fabian <fabian@ritter-vogt.de>
    Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

diff --git a/man3/getpwnam.3 b/man3/getpwnam.3
index 71457a916..8ca13f1a2 100644
--- a/man3/getpwnam.3
+++ b/man3/getpwnam.3
@@ -304,7 +304,7 @@ main(int argc, char *argv[])
     struct passwd pwd;
     struct passwd *result;
     char *buf;
-    size_t bufsize;
+    long bufsize;
     int s;

     if (argc !=3D 2) {

--=20
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