Module Name: src Committed By: christos Date: Sat Apr 7 16:17:17 UTC 2012
Modified Files: src/lib/libutil: pidlock.c Log Message: read returns ssize_t, and err is a function name. To generate a diff of this commit: cvs rdiff -u -r1.15 -r1.16 src/lib/libutil/pidlock.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/lib/libutil/pidlock.c diff -u src/lib/libutil/pidlock.c:1.15 src/lib/libutil/pidlock.c:1.16 --- src/lib/libutil/pidlock.c:1.15 Sun Jan 18 07:13:04 2009 +++ src/lib/libutil/pidlock.c Sat Apr 7 12:17:17 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: pidlock.c,v 1.15 2009/01/18 12:13:04 lukem Exp $ */ +/* $NetBSD: pidlock.c,v 1.16 2012/04/07 16:17:17 christos Exp $ */ /* * Copyright 1996, 1997 by Curt Sampson <c...@netbsd.org>. @@ -24,7 +24,7 @@ #include <sys/cdefs.h> #if defined(LIBC_SCCS) && !defined(lint) -__RCSID("$NetBSD: pidlock.c,v 1.15 2009/01/18 12:13:04 lukem Exp $"); +__RCSID("$NetBSD: pidlock.c,v 1.16 2012/04/07 16:17:17 christos Exp $"); #endif /* LIBC_SCCS and not lint */ #include <sys/param.h> @@ -52,8 +52,8 @@ pidlock(const char *lockfile, int flags, char hostname[MAXHOSTNAMELEN + 1]; pid_t pid2 = -1; struct stat st; - int err; - int f = -1; + ssize_t n; + int f = -1, savee; char s[256]; char *p; size_t len; @@ -114,16 +114,16 @@ lockfailed: goto out; /* Find out who has this lockfile. */ if ((f = open(lockfile, O_RDONLY, 0)) != -1) { - if ((err = read(f, s, (size_t)11)) == -1) + if ((n = read(f, s, (size_t)11)) == -1) goto out; - if (err == 0) { + if (n == 0) { errno = EINVAL; goto out; } pid2 = atoi(s); - if ((err = read(f, s, sizeof(s) - 2)) == -1) + if ((n = read(f, s, sizeof(s) - 2)) == -1) goto out; - if (err == 0) + if (n == 0) *s = '\0'; s[sizeof(s) - 1] = '\0'; if ((p = strchr(s, '\n')) != NULL) @@ -164,11 +164,11 @@ lockfailed: errno = 0; return 0; out: - err = errno; + savee = errno; if (f != -1) (void)close(f); (void)unlink(tempfile); - errno = err; + errno = savee; return -1; }