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 db0102240d6a0709b14d968f024efaa6ae056e91..6a3f9693f58925b497c3858175242b43d4a82d35 100644 (file)
--- 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;