squashfs: support darwin

This commit is contained in:
Matthew Bauer 2018-06-01 12:21:11 -04:00
parent 33a418e2e6
commit 6cd5863060
2 changed files with 433 additions and 2 deletions

View File

@ -0,0 +1,431 @@
diff --git a/squashfs-tools/action.c b/squashfs-tools/action.c
index 4b06ccb..26365e7 100644
--- a/squashfs-tools/action.c
+++ b/squashfs-tools/action.c
@@ -38,6 +38,10 @@
#include <limits.h>
#include <errno.h>
+#ifndef FNM_EXTMATCH /* glibc extension */
+ #define FNM_EXTMATCH 0
+#endif
+
#include "squashfs_fs.h"
#include "mksquashfs.h"
#include "action.h"
@@ -2284,9 +2288,12 @@ static char *get_start(char *s, int n)
static int subpathname_fn(struct atom *atom, struct action_data *action_data)
{
- return fnmatch(atom->argv[0], get_start(strdupa(action_data->subpath),
+ char *path = strdup(action_data->subpath);
+ int is_match = fnmatch(atom->argv[0], get_start(path,
count_components(atom->argv[0])),
FNM_PATHNAME|FNM_PERIOD|FNM_EXTMATCH) == 0;
+ free(path);
+ return is_match;
}
/*
diff --git a/squashfs-tools/info.c b/squashfs-tools/info.c
index 7968c77..c8e4c52 100644
--- a/squashfs-tools/info.c
+++ b/squashfs-tools/info.c
@@ -134,31 +134,22 @@ void dump_state()
void *info_thrd(void *arg)
{
sigset_t sigmask;
- struct timespec timespec = { .tv_sec = 1, .tv_nsec = 0 };
- int sig, waiting = 0;
+ int sig, err, waiting = 0;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGQUIT);
sigaddset(&sigmask, SIGHUP);
+ sigaddset(&sigmask, SIGALRM);
while(1) {
- if(waiting)
- sig = sigtimedwait(&sigmask, NULL, &timespec);
- else
- sig = sigwaitinfo(&sigmask, NULL);
+ err = sigwait(&sigmask, &sig);
- if(sig == -1) {
+ if(err == -1) {
switch(errno) {
- case EAGAIN:
- /* interval timed out */
- waiting = 0;
- /* FALLTHROUGH */
case EINTR:
- /* if waiting, the wait will be longer, but
- that's OK */
continue;
default:
- BAD_ERROR("sigtimedwait/sigwaitinfo failed "
+ BAD_ERROR("sigwaitfailed "
"because %s\n", strerror(errno));
}
}
@@ -169,8 +160,12 @@ void *info_thrd(void *arg)
/* set one second interval period, if ^\ received
within then, dump queue and cache status */
waiting = 1;
- } else
+ alarm(1);
+ } else if (sig == SIGQUIT) {
dump_state();
+ } else if (sig == SIGALRM) {
+ waiting = 0;
+ }
}
}
diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c
index d696a51..c86d1b3 100644
--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -50,6 +50,10 @@
#include <limits.h>
#include <ctype.h>
+#ifndef FNM_EXTMATCH /* glibc extension */
+ #define FNM_EXTMATCH 0
+#endif
+
#ifndef linux
#define __BYTE_ORDER BYTE_ORDER
#define __BIG_ENDIAN BIG_ENDIAN
@@ -831,13 +835,13 @@ char *subpathname(struct dir_ent *dir_ent)
}
-inline unsigned int get_inode_no(struct inode_info *inode)
+static inline unsigned int get_inode_no(struct inode_info *inode)
{
return inode->inode_number;
}
-inline unsigned int get_parent_no(struct dir_info *dir)
+static inline unsigned int get_parent_no(struct dir_info *dir)
{
return dir->depth ? get_inode_no(dir->dir_ent->inode) : inode_no;
}
@@ -2030,7 +2034,7 @@ struct file_info *duplicate(long long file_size, long long bytes,
}
-inline int is_fragment(struct inode_info *inode)
+static inline int is_fragment(struct inode_info *inode)
{
off_t file_size = inode->buf.st_size;
@@ -2999,13 +3003,13 @@ struct inode_info *lookup_inode2(struct stat *buf, int pseudo, int id)
}
-inline struct inode_info *lookup_inode(struct stat *buf)
+static inline struct inode_info *lookup_inode(struct stat *buf)
{
return lookup_inode2(buf, 0, 0);
}
-inline void alloc_inode_no(struct inode_info *inode, unsigned int use_this)
+static inline void alloc_inode_no(struct inode_info *inode, unsigned int use_this)
{
if (inode->inode_number == 0) {
inode->inode_number = use_this ? : inode_no ++;
@@ -3016,7 +3020,7 @@ inline void alloc_inode_no(struct inode_info *inode, unsigned int use_this)
}
-inline struct dir_ent *create_dir_entry(char *name, char *source_name,
+static inline struct dir_ent *create_dir_entry(char *name, char *source_name,
char *nonstandard_pathname, struct dir_info *dir)
{
struct dir_ent *dir_ent = malloc(sizeof(struct dir_ent));
@@ -3034,7 +3038,7 @@ inline struct dir_ent *create_dir_entry(char *name, char *source_name,
}
-inline void add_dir_entry(struct dir_ent *dir_ent, struct dir_info *sub_dir,
+static inline void add_dir_entry(struct dir_ent *dir_ent, struct dir_info *sub_dir,
struct inode_info *inode_info)
{
struct dir_info *dir = dir_ent->our_dir;
@@ -3050,7 +3054,7 @@ inline void add_dir_entry(struct dir_ent *dir_ent, struct dir_info *sub_dir,
}
-inline void add_dir_entry2(char *name, char *source_name,
+static inline void add_dir_entry2(char *name, char *source_name,
char *nonstandard_pathname, struct dir_info *sub_dir,
struct inode_info *inode_info, struct dir_info *dir)
{
@@ -3062,7 +3066,7 @@ inline void add_dir_entry2(char *name, char *source_name,
}
-inline void free_dir_entry(struct dir_ent *dir_ent)
+static inline void free_dir_entry(struct dir_ent *dir_ent)
{
if(dir_ent->name)
free(dir_ent->name);
@@ -3083,7 +3087,7 @@ inline void free_dir_entry(struct dir_ent *dir_ent)
}
-inline void add_excluded(struct dir_info *dir)
+static inline void add_excluded(struct dir_info *dir)
{
dir->excluded ++;
}
@@ -4200,6 +4204,7 @@ void initialise_threads(int readq, int fragq, int bwriteq, int fwriteq,
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGQUIT);
sigaddset(&sigmask, SIGHUP);
+ sigaddset(&sigmask, SIGALRM);
if(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == -1)
BAD_ERROR("Failed to set signal mask in intialise_threads\n");
@@ -4987,6 +4992,36 @@ int parse_num(char *arg, int *res)
int get_physical_memory()
{
+ int phys_mem;
+#ifndef linux
+ #ifdef HW_MEMSIZE
+ #define SYSCTL_PHYSMEM HW_MEMSIZE
+ #elif defined(HW_PHYSMEM64)
+ #define SYSCTL_PHYSMEM HW_PHYSMEM64
+ #else
+ #define SYSCTL_PHYSMEM HW_PHYSMEM
+ #endif
+
+ int mib[2];
+ uint64_t sysctl_physmem = 0;
+ size_t sysctl_len = sizeof(sysctl_physmem);
+
+ mib[0] = CTL_HW;
+ mib[1] = SYSCTL_PHYSMEM;
+
+ if(sysctl(mib, 2, &sysctl_physmem, &sysctl_len, NULL, 0) == 0) {
+ /* some systems use 32-bit values, work with what we're given */
+ if (sysctl_len == 4)
+ sysctl_physmem = *(uint32_t*)&sysctl_physmem;
+ phys_mem = sysctl_physmem >> 20;
+ } else {
+ ERROR_START("Failed to get amount of available "
+ "memory.");
+ ERROR_EXIT(" Defaulting to least viable amount\n");
+ phys_mem = SQUASHFS_LOWMEM;
+ }
+ #undef SYSCTL_PHYSMEM
+#else
/*
* Long longs are used here because with PAE, a 32-bit
* machine can have more than 4GB of physical memory
@@ -4996,10 +5031,11 @@ int get_physical_memory()
*/
long long num_pages = sysconf(_SC_PHYS_PAGES);
long long page_size = sysconf(_SC_PAGESIZE);
- int phys_mem = num_pages * page_size >> 20;
+ phys_mem = num_pages * page_size >> 20;
if(num_pages == -1 || page_size == -1)
return 0;
+#endif
if(phys_mem < SQUASHFS_LOWMEM)
BAD_ERROR("Mksquashfs requires more physical memory than is "
diff --git a/squashfs-tools/mksquashfs.h b/squashfs-tools/mksquashfs.h
index 55708a3..d44d1fd 100644
--- a/squashfs-tools/mksquashfs.h
+++ b/squashfs-tools/mksquashfs.h
@@ -24,6 +24,7 @@
* mksquashfs.h
*
*/
+#include <pthread.h>
struct dir_info {
char *pathname;
diff --git a/squashfs-tools/pseudo.c b/squashfs-tools/pseudo.c
index cb74cf6..fe2b4bc 100644
--- a/squashfs-tools/pseudo.c
+++ b/squashfs-tools/pseudo.c
@@ -30,6 +30,7 @@
#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/read_xattrs.c b/squashfs-tools/read_xattrs.c
index 42106f5..837d3fb 100644
--- a/squashfs-tools/read_xattrs.c
+++ b/squashfs-tools/read_xattrs.c
@@ -39,13 +39,13 @@
#include <endian.h>
#endif
+#include <stdlib.h>
+
#include "squashfs_fs.h"
#include "squashfs_swap.h"
#include "xattr.h"
#include "error.h"
-#include <stdlib.h>
-
extern int read_fs_bytes(int, long long, int, void *);
extern int read_block(int, long long, long long *, int, void *);
diff --git a/squashfs-tools/unsquashfs.c b/squashfs-tools/unsquashfs.c
index f190e96..927e441 100644
--- a/squashfs-tools/unsquashfs.c
+++ b/squashfs-tools/unsquashfs.c
@@ -32,7 +32,12 @@
#include "stdarg.h"
#include "fnmatch_compat.h"
+#ifndef linux
+#include <sys/sysctl.h>
+#else
#include <sys/sysinfo.h>
+#endif
+
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
@@ -2185,6 +2190,7 @@ void initialise_threads(int fragment_buffer_size, int data_buffer_size)
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGQUIT);
sigaddset(&sigmask, SIGHUP);
+ sigaddset(&sigmask, SIGALRM);
if(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) == -1)
EXIT_UNSQUASH("Failed to set signal mask in initialise_threads"
"\n");
diff --git a/squashfs-tools/unsquashfs.h b/squashfs-tools/unsquashfs.h
index 0edbd25..cea9caa 100644
--- a/squashfs-tools/unsquashfs.h
+++ b/squashfs-tools/unsquashfs.h
@@ -46,6 +46,10 @@
#include <sys/ioctl.h>
#include <sys/time.h>
+#ifndef FNM_EXTMATCH /* glibc extension */
+ #define FNM_EXTMATCH 0
+#endif
+
#ifndef linux
#define __BYTE_ORDER BYTE_ORDER
#define __BIG_ENDIAN BIG_ENDIAN
diff --git a/squashfs-tools/unsquashfs_info.c b/squashfs-tools/unsquashfs_info.c
index c8e2b9b..7d4f7af 100644
--- a/squashfs-tools/unsquashfs_info.c
+++ b/squashfs-tools/unsquashfs_info.c
@@ -97,31 +97,22 @@ void dump_state()
void *info_thrd(void *arg)
{
sigset_t sigmask;
- struct timespec timespec = { .tv_sec = 1, .tv_nsec = 0 };
- int sig, waiting = 0;
+ int sig, err, waiting = 0;
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGQUIT);
sigaddset(&sigmask, SIGHUP);
+ sigaddset(&sigmask, SIGALRM);
while(1) {
- if(waiting)
- sig = sigtimedwait(&sigmask, NULL, &timespec);
- else
- sig = sigwaitinfo(&sigmask, NULL);
+ err = sigwait(&sigmask, &sig);
- if(sig == -1) {
+ if(err == -1) {
switch(errno) {
- case EAGAIN:
- /* interval timed out */
- waiting = 0;
- /* FALLTHROUGH */
case EINTR:
- /* if waiting, the wait will be longer, but
- that's OK */
continue;
default:
- BAD_ERROR("sigtimedwait/sigwaitinfo failed "
+ BAD_ERROR("sigwait failed "
"because %s\n", strerror(errno));
}
}
@@ -133,8 +124,12 @@ void *info_thrd(void *arg)
/* set one second interval period, if ^\ received
within then, dump queue and cache status */
waiting = 1;
- } else
+ alarm(1);
+ } else if (sig == SIGQUIT) {
dump_state();
+ } else if (sig == SIGALRM) {
+ waiting = 0;
+ }
}
}
diff --git a/squashfs-tools/unsquashfs_xattr.c b/squashfs-tools/unsquashfs_xattr.c
index 59f4aae..13f0e35 100644
--- a/squashfs-tools/unsquashfs_xattr.c
+++ b/squashfs-tools/unsquashfs_xattr.c
@@ -27,6 +27,11 @@
#include <sys/xattr.h>
+#ifdef XATTR_NOFOLLOW /* Apple's xattrs */
+ #define lsetxattr(path_, name_, val_, sz_, flags_) \
+ setxattr(path_, name_, val_, sz_, 0, flags_ | XATTR_NOFOLLOW)
+#endif
+
#define NOSPACE_MAX 10
extern int root_process;
diff --git a/squashfs-tools/xattr.c b/squashfs-tools/xattr.c
index b46550c..5b32eca 100644
--- a/squashfs-tools/xattr.c
+++ b/squashfs-tools/xattr.c
@@ -22,6 +22,14 @@
* xattr.c
*/
+#ifndef linux
+#define __BYTE_ORDER BYTE_ORDER
+#define __BIG_ENDIAN BIG_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#else
+#include <endian.h>
+#endif
+
#define TRUE 1
#define FALSE 0
@@ -36,6 +44,13 @@
#include <stdlib.h>
#include <sys/xattr.h>
+#ifdef XATTR_NOFOLLOW /* Apple's xattrs */
+ #define llistxattr(path_, buf_, sz_) \
+ listxattr(path_, buf_, sz_, XATTR_NOFOLLOW)
+ #define lgetxattr(path_, name_, val_, sz_) \
+ getxattr(path_, name_, val_, sz_, 0, XATTR_NOFOLLOW)
+#endif
+
#include "squashfs_fs.h"
#include "squashfs_swap.h"
#include "mksquashfs.h"

View File

@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
./0001-If-SOURCE_DATE_EPOCH-is-set-override-timestamps-with.patch
./0002-If-SOURCE_DATE_EPOCH-is-set-also-clamp-content-times.patch
./0003-remove-frag-deflator-thread.patch
];
] ++ stdenv.lib.optional stdenv.isDarwin ./darwin.patch;
buildInputs = [ zlib xz ]
++ stdenv.lib.optional lz4Support lz4;
@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
meta = {
homepage = http://squashfs.sourceforge.net/;
description = "Tool for creating and unpacking squashfs filesystems";
platforms = stdenv.lib.platforms.linux;
platforms = stdenv.lib.platforms.unix;
license = stdenv.lib.licenses.gpl2Plus;
maintainers = with stdenv.lib.maintainers; [ ruuda ];
};