From 4ee57fba0a3b0ef87ca93446a54f8b6098b4e703 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Thu, 1 Feb 2007 16:08:33 +0000
Subject: [PATCH]   * Check for <unistd.h>, too. MSVC doesn't have it.

---
 configure.ac     | 2 +-
 src/debug.c      | 4 +++-
 src/lib-fd.c     | 4 +++-
 src/lib-mem.c    | 4 +++-
 src/lib-stream.c | 2 +-
 src/libzzuf.c    | 4 +++-
 src/zzuf.c       | 4 +++-
 test/zzcat.c     | 4 +++-
 8 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index ec643e8..91d2a2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,7 +27,7 @@ esac
 AC_SUBST(WINSOCK2_LIBS)
 AC_SUBST(DLL_LDFLAGS)
 
-AC_CHECK_HEADERS(windows.h winsock2.h io.h inttypes.h stdint.h getopt.h libc.h malloc.h dlfcn.h regex.h sys/socket.h sys/uio.h aio.h sys/mman.h sys/wait.h sys/resource.h sys/time.h)
+AC_CHECK_HEADERS(windows.h winsock2.h io.h unistd.h inttypes.h stdint.h getopt.h libc.h malloc.h dlfcn.h regex.h sys/socket.h sys/uio.h aio.h sys/mman.h sys/wait.h sys/resource.h sys/time.h)
 
 AC_CHECK_FUNCS(setenv waitpid setrlimit gettimeofday fork kill pipe _pipe)
 AC_CHECK_FUNCS(open64 lseek64 mmap64 fopen64 fseeko _IO_getc getline getdelim __getdelim fgetln __srefill map_fd memalign posix_memalign aio_read accept socket readv pread recv recvfrom recvmsg mmap valloc sigaction)
diff --git a/src/debug.c b/src/debug.c
index 75548e4..a7e1cca 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -27,7 +27,9 @@
 #   include <inttypes.h>
 #endif
 #include <stdio.h>
-#include <unistd.h>
+#if defined HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
 #include <errno.h>
 #include <stdarg.h>
 
diff --git a/src/lib-fd.c b/src/lib-fd.c
index 38e4632..236efdf 100644
--- a/src/lib-fd.c
+++ b/src/lib-fd.c
@@ -45,7 +45,9 @@
 #if defined HAVE_SYS_UIO_H
 #   include <sys/uio.h>
 #endif
-#include <unistd.h>
+#if defined HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
 #include <fcntl.h>
 #include <stdarg.h>
 #if defined HAVE_AIO_H
diff --git a/src/lib-mem.c b/src/lib-mem.c
index e58b2b8..2266c43 100644
--- a/src/lib-mem.c
+++ b/src/lib-mem.c
@@ -40,7 +40,9 @@
 #if defined HAVE_MALLOC_H
 #   include <malloc.h>
 #endif
-#include <unistd.h>
+#if defined HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
 #if defined HAVE_SYS_MMAN_H
 #   include <sys/mman.h>
 #endif
diff --git a/src/lib-stream.c b/src/lib-stream.c
index 2b1e803..d2a3c08 100644
--- a/src/lib-stream.c
+++ b/src/lib-stream.c
@@ -29,7 +29,7 @@
 
 #include <stdio.h>
 #include <sys/types.h>
-#if defined HAVE___SREFILL
+#if defined HAVE___SREFILL && defined HAVE_UNISTD_H
 #   include <unistd.h> /* Needed for __srefill’s lseek() call */
 #endif
 
diff --git a/src/libzzuf.c b/src/libzzuf.c
index 336b26f..94ffaa4 100644
--- a/src/libzzuf.c
+++ b/src/libzzuf.c
@@ -29,7 +29,9 @@
 #endif
 #include <stdio.h>
 #include <sys/types.h>
-#include <unistd.h>
+#if defined HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
diff --git a/src/zzuf.c b/src/zzuf.c
index 9a1d01a..c72c4c9 100644
--- a/src/zzuf.c
+++ b/src/zzuf.c
@@ -28,7 +28,9 @@
 #endif
 #include <stdio.h>
 #include <stdlib.h>
-#include <unistd.h>
+#if defined HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
 #if defined HAVE_REGEX_H
 #   include <regex.h>
 #endif
diff --git a/test/zzcat.c b/test/zzcat.c
index a6206c6..3424611 100644
--- a/test/zzcat.c
+++ b/test/zzcat.c
@@ -19,7 +19,9 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <unistd.h>
+#if defined HAVE_UNISTD_H
+#   include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdio.h>