squashfsTools: use updated Darwin patch
squashfsTools: use updated Darwin patch

This new patch is the patch between 4.4, and commit [1], a pull request
at [2] to upsteam Mac and BSD compatibility. That pull request is
itself a rebase of an older pull request for an earlier version of
squashfs-tools. I squashed all commits between 4.4 and [1], apart from
the BSD-specific ones, and exported the new patch from that. Attached
below is the git diff --ignore-space-change between squashfs-tools 4.4
with the previous patch applied, and with the new patch applied.

[1]: 7d31beec53e6245d3405d6ef2b96e9811ae07044
[2]: https://github.com/plougher/squashfs-tools/pull/69

---

diff --git a/squashfs-tools/info.c b/squashfs-tools/info.c
index 8efefe6..5c2f835 100644
--- a/squashfs-tools/info.c
+++ b/squashfs-tools/info.c
@@ -159,7 +159,7 @@ void *info_thrd(void *arg)
 			case EINTR:
 				continue;
 			default:
-				BAD_ERROR("sigwaitfailed "
+				BAD_ERROR("sigwait failed "
 					"because %s\n", strerror(errno));
 			}
 		}
diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c
index 67d86a5..3607448 100644
--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -35,7 +35,10 @@
 #include <stddef.h>
 #include <sys/types.h>
 #include <sys/stat.h>
-#ifdef linux
+#ifndef linux
+#include <sys/sysctl.h>
+#else
+#include <sys/sysinfo.h>
 #include <sys/sysmacros.h>
 #endif
 #include <fcntl.h>
@@ -52,7 +55,6 @@
 #include <sys/wait.h>
 #include <limits.h>
 #include <ctype.h>
-#include <sys/sysinfo.h>

 #ifndef FNM_EXTMATCH /* glibc extension */
 	#define FNM_EXTMATCH 0
@@ -5191,7 +5193,17 @@ int parse_mode(char *arg, mode_t *res)

 int get_physical_memory()
 {
+	/*
+	 * Long longs are used here because with PAE, a 32-bit
+	 * machine can have more than 4GB of physical memory
+	 *
+	 * sysconf(_SC_PHYS_PAGES) relies on /proc being mounted.
+	 * If it fails use sysinfo, if that fails return 0
+	 */
+	long long num_pages = sysconf(_SC_PHYS_PAGES);
+	long long page_size = sysconf(_SC_PAGESIZE);
 	int phys_mem;
+
 #ifndef linux
 	#ifdef HW_MEMSIZE
 		#define SYSCTL_PHYSMEM HW_MEMSIZE
@@ -5221,16 +5233,6 @@ int get_physical_memory()
 	}
   #undef SYSCTL_PHYSMEM
 #else
-	/*
-	 * Long longs are used here because with PAE, a 32-bit
-	 * machine can have more than 4GB of physical memory
-	 *
-	 * sysconf(_SC_PHYS_PAGES) relies on /proc being mounted.
-	 * If it fails use sysinfo, if that fails return 0
-	 */
-	long long num_pages = sysconf(_SC_PHYS_PAGES);
-	long long page_size = sysconf(_SC_PAGESIZE);
-
 	if(num_pages == -1 || page_size == -1) {
 		struct sysinfo sys;
 		int res = sysinfo(&sys);
diff --git a/squashfs-tools/mksquashfs.h b/squashfs-tools/mksquashfs.h
index 88d0b5c..1beefef 100644
--- a/squashfs-tools/mksquashfs.h
+++ b/squashfs-tools/mksquashfs.h
@@ -24,7 +24,6 @@
  * mksquashfs.h
  *
  */
-#include <pthread.h>

 struct dir_info {
 	char			*pathname;
diff --git a/squashfs-tools/pseudo.c b/squashfs-tools/pseudo.c
index f8fd529..48e6b27 100644
--- a/squashfs-tools/pseudo.c
+++ b/squashfs-tools/pseudo.c
@@ -30,7 +30,6 @@
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
-#include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
diff --git a/squashfs-tools/unsquashfs.c b/squashfs-tools/unsquashfs.c
index 00615ce..c1a6183 100644
--- a/squashfs-tools/unsquashfs.c
+++ b/squashfs-tools/unsquashfs.c
@@ -38,7 +38,6 @@
 #include <sys/sysinfo.h>
 #include <sys/sysmacros.h>
 #endif
-
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/resource.h>
@@ -1085,7 +1084,7 @@ int create_inode(char *pathname, struct inode *i)
 			break;
 		case SQUASHFS_SYMLINK_TYPE:
 		case SQUASHFS_LSYMLINK_TYPE: {
-			struct timespec times[2] = {
+			struct timeval times[2] = {
 				{ i->time, 0 },
 				{ i->time, 0 }
 			};
@@ -1104,8 +1103,7 @@ int create_inode(char *pathname, struct inode *i)
 				goto failed;
 			}

-			res = utimensat(AT_FDCWD, pathname, times,
-					AT_SYMLINK_NOFOLLOW);
+			res = lutimes(pathname, times);
 			if(res == -1) {
 				EXIT_UNSQUASH_STRICT("create_inode: failed to set time on "
 					"%s, because %s\n", pathname,

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