From: Niko <2089413+NikoDelarich@users.noreply.github.com>
Date: Tue, 1 Mar 2022 13:43:07 +0000 (+0100)
Subject: Handle ERANGE error correctly
X-Git-Tag: 4.12~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9bf727253e13968c4c61d71f4725e668cd49881;p=thirdparty%2Fshadow.git

Handle ERANGE error correctly

The reentrant functions getgrgid_r, getgrnam_r, getpwnam_r, etc. all return an error code instead of setting errno. Adapt the error check accordingly.
---

diff --git a/libmisc/xgetXXbyYY.c b/libmisc/xgetXXbyYY.c
index db0102240..6a3f9693f 100644
--- a/libmisc/xgetXXbyYY.c
+++ b/libmisc/xgetXXbyYY.c
@@ -66,7 +66,6 @@
 			         "x" STRINGIZE(FUNCTION_NAME));
 			exit (13);
 		}
-		errno = 0;
 		status = REENTRANT_NAME(ARG_NAME, result, buffer,
 		                        length, &resbuf);
 		if ((0 == status) && (resbuf == result)) {
@@ -78,7 +77,7 @@
 			return ret_result;
 		}
 
-		if (ERANGE != errno) {
+		if (ERANGE != status) {
 			free (buffer);
 			free (result);
 			return NULL;