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From: Corinna Vinschen <corinna@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin] Fix comparison between two character arrays Date: Mon, 30 Jul 2018 07:37:00 -0000 [thread overview] Message-ID: <20180730073729.55535.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=613a7f90361533fd5310ee836635a1e0864dfa71 commit 613a7f90361533fd5310ee836635a1e0864dfa71 Author: Jordi Sanfeliu <jordi@fibranet.cat> Date: Fri Jul 27 11:02:55 2018 +0200 Fix comparison between two character arrays Hello, The member 'id' in the 'utmp' struct is not a numeric but a character array, hence the strncmp() function is needed to compare two members. Diff: --- newlib/libc/unix/getut.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/newlib/libc/unix/getut.c b/newlib/libc/unix/getut.c index 89ed739..71a8c8f 100644 --- a/newlib/libc/unix/getut.c +++ b/newlib/libc/unix/getut.c @@ -63,7 +63,7 @@ getutid (struct utmp *id) case LOGIN_PROCESS: case USER_PROCESS: case DEAD_PROCESS: - if (id->ut_id == utmp_data.ut_id) + if (!strncmp (id->ut_id, utmp_data.ut_id, sizeof (utmp_data.ut_id))) return &utmp_data; break; default:
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