Extracted inline C code for syntax highlighting

4 files changed, 594 insertions, 595 deletions

diff --git a/xattr/lib.py b/xattr/lib.py
index b6245c1..fecc3bd 100644
--- a/xattr/lib.py
+++ b/xattr/lib.py
@@ -6,8 +6,8 @@ from .compat import fs_encode
 try:
     from ._lib import lib, ffi
 except ImportError:
-    from .lib_build import ffi, C_SRC
-    lib = ffi.verify(C_SRC)
+    from .lib_build import ffi, c_source
+    lib = ffi.verify(c_source)
 
 XATTR_NOFOLLOW = lib.XATTR_XATTR_NOFOLLOW
 XATTR_CREATE = lib.XATTR_XATTR_CREATE
diff --git a/xattr/lib_build.c b/xattr/lib_build.c
new file mode 100644
index 0000000..1d07b6a
--- /dev/null
+++ b/xattr/lib_build.c
@@ -0,0 +1,565 @@
+#include "Python.h"
+#ifdef __FreeBSD__
+#include <sys/extattr.h>
+#elif defined(__SUN__) || defined(__sun__) || defined(__sun)
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <alloca.h>
+#else
+#include <sys/xattr.h>
+#endif
+
+#ifdef __FreeBSD__
+
+/* FreeBSD compatibility API */
+#define XATTR_XATTR_NOFOLLOW 0x0001
+#define XATTR_XATTR_CREATE 0x0002
+#define XATTR_XATTR_REPLACE 0x0004
+#define XATTR_XATTR_NOSECURITY 0x0008
+
+#define XATTR_CREATE 0x1
+#define XATTR_REPLACE 0x2
+
+/* Converts a freebsd format attribute list into a NULL terminated list.
+ * The first byte is the length of the following attribute.
+ */
+static void convert_bsd_list(char *namebuf, size_t size)
+{
+    size_t offset = 0;
+    while(offset < size) {
+        int length = (int) (unsigned char)namebuf[offset];
+        memmove(namebuf+offset, namebuf+offset+1, length);
+        namebuf[offset+length] = '\0';
+        offset += length+1;
+    }
+}
+
+static ssize_t xattr_getxattr(const char *path, const char *name,
+                              void *value, ssize_t size, u_int32_t position,
+                              int options)
+{
+    if (position != 0 ||
+        !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return extattr_get_link(path, EXTATTR_NAMESPACE_USER,
+                                name, value, size);
+    }
+    else {
+        return extattr_get_file(path, EXTATTR_NAMESPACE_USER,
+                                name, value, size);
+    }
+}
+
+static ssize_t xattr_setxattr(const char *path, const char *name,
+                              void *value, ssize_t size, u_int32_t position,
+                              int options)
+{
+    int rv = 0;
+    int nofollow;
+
+    if (position != 0) {
+        return -1;
+    }
+
+    nofollow = options & XATTR_XATTR_NOFOLLOW;
+    options &= ~XATTR_XATTR_NOFOLLOW;
+
+    if (options == XATTR_XATTR_CREATE ||
+        options == XATTR_XATTR_REPLACE) {
+
+        /* meh. FreeBSD doesn't really have this in its
+         * API... Oh well.
+         */
+    }
+    else if (options != 0) {
+        return -1;
+    }
+
+    if (nofollow) {
+        rv = extattr_set_link(path, EXTATTR_NAMESPACE_USER,
+                                name, value, size);
+    }
+    else {
+        rv = extattr_set_file(path, EXTATTR_NAMESPACE_USER,
+                                name, value, size);
+    }
+
+    /* freebsd returns the written length on success, not zero. */
+    if (rv >= 0) {
+        return 0;
+    }
+    else {
+        return rv;
+    }
+}
+
+static ssize_t xattr_removexattr(const char *path, const char *name,
+                                 int options)
+{
+    if (!(options == 0 ||
+          options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return extattr_delete_link(path, EXTATTR_NAMESPACE_USER, name);
+    }
+    else {
+        return extattr_delete_file(path, EXTATTR_NAMESPACE_USER, name);
+    }
+}
+
+
+static ssize_t xattr_listxattr(const char *path, char *namebuf,
+                               size_t size, int options)
+{
+    ssize_t rv = 0;
+    if (!(options == 0 ||
+          options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        rv = extattr_list_link(path, EXTATTR_NAMESPACE_USER, namebuf, size);
+    }
+    else {
+        rv = extattr_list_file(path, EXTATTR_NAMESPACE_USER, namebuf, size);
+    }
+
+    if (rv > 0 && namebuf) {
+        convert_bsd_list(namebuf, rv);
+    }
+
+    return rv;
+}
+
+static ssize_t xattr_fgetxattr(int fd, const char *name, void *value,
+                               ssize_t size, u_int32_t position, int options)
+{
+    if (position != 0 ||
+        !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    }
+    else {
+        return extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, name, value, size);
+    }
+}
+
+static ssize_t xattr_fsetxattr(int fd, const char *name, void *value,
+                               ssize_t size, u_int32_t position, int options)
+{
+    int rv = 0;
+    int nofollow;
+
+    if (position != 0) {
+        return -1;
+    }
+
+    nofollow = options & XATTR_XATTR_NOFOLLOW;
+    options &= ~XATTR_XATTR_NOFOLLOW;
+
+    if (options == XATTR_XATTR_CREATE ||
+        options == XATTR_XATTR_REPLACE) {
+        /* freebsd noop */
+    }
+    else if (options != 0) {
+        return -1;
+    }
+
+    if (nofollow) {
+        return -1;
+    }
+    else {
+        rv = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER,
+                            name, value, size);
+    }
+
+    /* freebsd returns the written length on success, not zero. */
+    if (rv >= 0) {
+        return 0;
+    }
+    else {
+        return rv;
+    }
+}
+
+static ssize_t xattr_fremovexattr(int fd, const char *name, int options)
+{
+
+    if (!(options == 0 ||
+          options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    }
+    else {
+        return extattr_delete_fd(fd, EXTATTR_NAMESPACE_USER, name);
+    }
+}
+
+
+static ssize_t xattr_flistxattr(int fd, char *namebuf, size_t size, int options)
+{
+    ssize_t rv = 0;
+
+    if (!(options == 0 ||
+          options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    }
+    else {
+        rv = extattr_list_fd(fd, EXTATTR_NAMESPACE_USER, namebuf, size);
+    }
+
+    if (rv > 0 && namebuf) {
+        convert_bsd_list(namebuf, rv);
+    }
+
+    return rv;
+}
+
+#elif defined(__SUN__) || defined(__sun__) || defined(__sun)
+
+/* Solaris 9 and later compatibility API */
+#define XATTR_XATTR_NOFOLLOW 0x0001
+#define XATTR_XATTR_CREATE 0x0002
+#define XATTR_XATTR_REPLACE 0x0004
+#define XATTR_XATTR_NOSECURITY 0x0008
+
+#define XATTR_CREATE 0x1
+#define XATTR_REPLACE 0x2
+
+#ifndef u_int32_t
+#define u_int32_t uint32_t
+#endif
+
+static ssize_t xattr_fgetxattr(int fd, const char *name, void *value,
+                               ssize_t size, u_int32_t position, int options)
+{
+    int xfd;
+    ssize_t bytes;
+    struct stat statbuf;
+
+    /* XXX should check that name does not have / characters in it */
+    xfd = openat(fd, name, O_RDONLY | O_XATTR);
+    if (xfd == -1) {
+    return -1;
+    }
+    if (lseek(xfd, position, SEEK_SET) == -1) {
+    close(xfd);
+    return -1;
+    }
+    if (value == NULL) {
+        if (fstat(xfd, &statbuf) == -1) {
+        close(xfd);
+        return -1;
+        }
+    close(xfd);
+    return statbuf.st_size;
+    }
+    /* XXX should keep reading until the buffer is exhausted or EOF */
+    bytes = read(xfd, value, size);
+    close(xfd);
+    return bytes;
+}
+
+static ssize_t xattr_getxattr(const char *path, const char *name,
+                              void *value, ssize_t size, u_int32_t position,
+                              int options)
+{
+    int fd;
+    ssize_t bytes;
+
+    if (position != 0 ||
+        !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+
+    fd = open(path,
+          O_RDONLY |
+          ((options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0));
+    if (fd == -1) {
+    return -1;
+    }
+    bytes = xattr_fgetxattr(fd, name, value, size, position, options);
+    close(fd);
+    return bytes;
+}
+
+static ssize_t xattr_fsetxattr(int fd, const char *name, void *value,
+                               ssize_t size, u_int32_t position, int options)
+{
+    int xfd;
+    ssize_t bytes = 0;
+
+    /* XXX should check that name does not have / characters in it */
+    xfd = openat(fd, name, O_XATTR | O_TRUNC |
+         ((options & XATTR_XATTR_CREATE) ? O_EXCL : 0) |
+         ((options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0) |
+         ((options & XATTR_XATTR_REPLACE) ? O_RDWR : O_WRONLY|O_CREAT),
+         0644);
+    if (xfd == -1) {
+    return -1;
+    }
+    while (size > 0) {
+    bytes = write(xfd, value, size);
+    if (bytes == -1) {
+        close(xfd);
+        return -1;
+    }
+    size -= bytes;
+    value += bytes;
+    }
+    close(xfd);
+    return 0;
+}
+
+static ssize_t xattr_setxattr(const char *path, const char *name,
+                              void *value, ssize_t size, u_int32_t position,
+                              int options)
+{
+    int fd;
+    ssize_t bytes;
+
+    if (position != 0) {
+        return -1;
+    }
+
+    fd = open(path,
+          O_RDONLY | (options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0);
+    if (fd == -1) {
+    return -1;
+    }
+    bytes = xattr_fsetxattr(fd, name, value, size, position, options);
+    close(fd);
+    return bytes;
+}
+
+static ssize_t xattr_fremovexattr(int fd, const char *name, int options)
+{
+  int xfd, status;
+    /* XXX should check that name does not have / characters in it */
+    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    }
+    xfd = openat(fd, ".", O_XATTR, 0644);
+    if (xfd == -1) {
+    return -1;
+    }
+    status = unlinkat(xfd, name, 0);
+    close(xfd);
+    return status;
+}
+
+static ssize_t xattr_removexattr(const char *path, const char *name,
+                                 int options)
+{
+    int fd;
+    ssize_t status;
+
+    fd = open(path,
+          O_RDONLY | ((options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0));
+    if (fd == -1) {
+    return -1;
+    }
+    status =  xattr_fremovexattr(fd, name, options);
+    close(fd);
+    return status;
+}
+
+static ssize_t xattr_xflistxattr(int xfd, char *namebuf, size_t size, int options)
+{
+    int esize;
+    DIR *dirp;
+    struct dirent *entry;
+    ssize_t nsize = 0;
+
+    dirp = fdopendir(xfd);
+    if (dirp == NULL) {
+        return (-1);
+    }
+    while (entry = readdir(dirp)) {
+        if (strcmp(entry->d_name, ".") == 0 ||
+                strcmp(entry->d_name, "..") == 0)
+            continue;
+        esize = strlen(entry->d_name);
+        if (nsize + esize + 1 <= size) {
+            snprintf((char *)(namebuf + nsize), esize + 1,
+                    entry->d_name);
+        }
+        nsize += esize + 1; /* +1 for \0 */
+    }
+    closedir(dirp);
+    return nsize;
+}
+static ssize_t xattr_flistxattr(int fd, char *namebuf, size_t size, int options)
+{
+    int xfd;
+
+    xfd = openat(fd, ".", O_RDONLY | O_XATTR);
+    return xattr_xflistxattr(xfd, namebuf, size, options);
+}
+
+static ssize_t xattr_listxattr(const char *path, char *namebuf,
+                               size_t size, int options)
+{
+    int xfd;
+
+    xfd = attropen(path, ".", O_RDONLY);
+    return xattr_xflistxattr(xfd, namebuf, size, options);
+}
+
+#elif !defined(XATTR_NOFOLLOW)
+/* Linux compatibility API */
+#define XATTR_XATTR_NOFOLLOW 0x0001
+#define XATTR_XATTR_CREATE 0x0002
+#define XATTR_XATTR_REPLACE 0x0004
+#define XATTR_XATTR_NOSECURITY 0x0008
+static ssize_t xattr_getxattr(const char *path, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
+    if (position != 0 || !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return lgetxattr(path, name, value, size);
+    } else {
+        return getxattr(path, name, value, size);
+    }
+}
+
+static ssize_t xattr_setxattr(const char *path, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
+    int nofollow;
+    if (position != 0) {
+        return -1;
+    }
+    nofollow = options & XATTR_XATTR_NOFOLLOW;
+    options &= ~XATTR_XATTR_NOFOLLOW;
+    if (options == XATTR_XATTR_CREATE) {
+        options = XATTR_CREATE;
+    } else if (options == XATTR_XATTR_REPLACE) {
+        options = XATTR_REPLACE;
+    } else if (options != 0) {
+        return -1;
+    }
+    if (nofollow) {
+        return lsetxattr(path, name, value, size, options);
+    } else {
+        return setxattr(path, name, value, size, options);
+    }
+}
+
+static ssize_t xattr_removexattr(const char *path, const char *name, int options) {
+    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return lremovexattr(path, name);
+    } else {
+        return removexattr(path, name);
+    }
+}
+
+
+static ssize_t xattr_listxattr(const char *path, char *namebuf, size_t size, int options) {
+    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return llistxattr(path, namebuf, size);
+    } else {
+        return listxattr(path, namebuf, size);
+    }
+}
+
+static ssize_t xattr_fgetxattr(int fd, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
+    if (position != 0 || !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    } else {
+        return fgetxattr(fd, name, value, size);
+    }
+}
+
+static ssize_t xattr_fsetxattr(int fd, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
+    int nofollow;
+    if (position != 0) {
+        return -1;
+    }
+    nofollow = options & XATTR_XATTR_NOFOLLOW;
+    options &= ~XATTR_XATTR_NOFOLLOW;
+    if (options == XATTR_XATTR_CREATE) {
+        options = XATTR_CREATE;
+    } else if (options == XATTR_XATTR_REPLACE) {
+        options = XATTR_REPLACE;
+    } else if (options != 0) {
+        return -1;
+    }
+    if (nofollow) {
+        return -1;
+    } else {
+        return fsetxattr(fd, name, value, size, options);
+    }
+}
+
+static ssize_t xattr_fremovexattr(int fd, const char *name, int options) {
+    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    } else {
+        return fremovexattr(fd, name);
+    }
+}
+
+
+static ssize_t xattr_flistxattr(int fd, char *namebuf, size_t size, int options) {
+    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
+        return -1;
+    }
+    if (options & XATTR_XATTR_NOFOLLOW) {
+        return -1;
+    } else {
+        return flistxattr(fd, namebuf, size);
+    }
+}
+
+#else /* Mac OS X assumed */
+#define xattr_getxattr getxattr
+#define xattr_fgetxattr fgetxattr
+#define xattr_removexattr removexattr
+#define xattr_fremovexattr fremovexattr
+#define xattr_setxattr setxattr
+#define xattr_fsetxattr fsetxattr
+#define xattr_listxattr listxattr
+#define xattr_flistxattr flistxattr
+
+/* define these for use in python (see below) */
+#define XATTR_XATTR_NOFOLLOW	XATTR_NOFOLLOW
+#define XATTR_XATTR_CREATE	XATTR_CREATE
+#define XATTR_XATTR_REPLACE	XATTR_REPLACE
+#define XATTR_XATTR_NOSECURITY	XATTR_NOSECURITY
+#endif
+
+#ifndef XATTR_MAXNAMELEN
+#define XATTR_MAXNAMELEN 127
+#endif
diff --git a/xattr/lib_build.h b/xattr/lib_build.h
new file mode 100644
index 0000000..919722a
--- /dev/null
+++ b/xattr/lib_build.h
@@ -0,0 +1,17 @@
+#define XATTR_XATTR_NOFOLLOW ...
+#define XATTR_XATTR_CREATE ...
+#define XATTR_XATTR_REPLACE ...
+#define XATTR_XATTR_NOSECURITY ...
+#define XATTR_MAXNAMELEN ...
+
+ssize_t xattr_getxattr(const char *, const char *, void *, ssize_t, uint32_t, int);
+ssize_t xattr_fgetxattr(int, const char *, void *, ssize_t, uint32_t, int);
+
+ssize_t xattr_setxattr(const char *, const char *, void *, ssize_t, uint32_t, int);
+ssize_t xattr_fsetxattr(int, const char *, void *, ssize_t, uint32_t, int);
+
+ssize_t xattr_removexattr(const char *, const char *, int);
+ssize_t xattr_fremovexattr(int, const char *, int);
+
+ssize_t xattr_listxattr(const char *, char *, size_t, int);
+ssize_t xattr_flistxattr(int, char *, size_t, int);
diff --git a/xattr/lib_build.py b/xattr/lib_build.py
index a687cea..bb0caae 100644
--- a/xattr/lib_build.py
+++ b/xattr/lib_build.py
@@ -1,600 +1,17 @@
-import os
 import sys
+import os
+from cffi import FFI
 
-import cffi
-
-ffi = cffi.FFI()
-ffi.cdef("""
-#define XATTR_XATTR_NOFOLLOW ...
-#define XATTR_XATTR_CREATE ...
-#define XATTR_XATTR_REPLACE ...
-#define XATTR_XATTR_NOSECURITY ...
-#define XATTR_MAXNAMELEN ...
-
-ssize_t xattr_getxattr(const char *, const char *, void *, ssize_t, uint32_t, int);
-ssize_t xattr_fgetxattr(int, const char *, void *, ssize_t, uint32_t, int);
-
-ssize_t xattr_setxattr(const char *, const char *, void *, ssize_t, uint32_t, int);
-ssize_t xattr_fsetxattr(int, const char *, void *, ssize_t, uint32_t, int);
-
-ssize_t xattr_removexattr(const char *, const char *, int);
-ssize_t xattr_fremovexattr(int, const char *, int);
-
-ssize_t xattr_listxattr(const char *, char *, size_t, int);
-ssize_t xattr_flistxattr(int, char *, size_t, int);
-
-""")
-
-C_SRC = """
-#include "Python.h"
-#ifdef __FreeBSD__
-#include <sys/extattr.h>
-#elif defined(__SUN__) || defined(__sun__) || defined(__sun)
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <alloca.h>
-#else
-#include <sys/xattr.h>
-#endif
-
-#ifdef __FreeBSD__
-
-/* FreeBSD compatibility API */
-#define XATTR_XATTR_NOFOLLOW 0x0001
-#define XATTR_XATTR_CREATE 0x0002
-#define XATTR_XATTR_REPLACE 0x0004
-#define XATTR_XATTR_NOSECURITY 0x0008
-
-#define XATTR_CREATE 0x1
-#define XATTR_REPLACE 0x2
-
-/* Converts a freebsd format attribute list into a NULL terminated list.
- * The first byte is the length of the following attribute.
- */
-static void convert_bsd_list(char *namebuf, size_t size)
-{
-    size_t offset = 0;
-    while(offset < size) {
-        int length = (int) (unsigned char)namebuf[offset];
-        memmove(namebuf+offset, namebuf+offset+1, length);
-        namebuf[offset+length] = '\\0';
-        offset += length+1;
-    }
-}
-
-static ssize_t xattr_getxattr(const char *path, const char *name,
-                              void *value, ssize_t size, u_int32_t position,
-                              int options)
-{
-    if (position != 0 ||
-        !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return extattr_get_link(path, EXTATTR_NAMESPACE_USER,
-                                name, value, size);
-    }
-    else {
-        return extattr_get_file(path, EXTATTR_NAMESPACE_USER,
-                                name, value, size);
-    }
-}
-
-static ssize_t xattr_setxattr(const char *path, const char *name,
-                              void *value, ssize_t size, u_int32_t position,
-                              int options)
-{
-    int rv = 0;
-    int nofollow;
-
-    if (position != 0) {
-        return -1;
-    }
-
-    nofollow = options & XATTR_XATTR_NOFOLLOW;
-    options &= ~XATTR_XATTR_NOFOLLOW;
-
-    if (options == XATTR_XATTR_CREATE ||
-        options == XATTR_XATTR_REPLACE) {
-
-        /* meh. FreeBSD doesn't really have this in its
-         * API... Oh well.
-         */
-    }
-    else if (options != 0) {
-        return -1;
-    }
-
-    if (nofollow) {
-        rv = extattr_set_link(path, EXTATTR_NAMESPACE_USER,
-                                name, value, size);
-    }
-    else {
-        rv = extattr_set_file(path, EXTATTR_NAMESPACE_USER,
-                                name, value, size);
-    }
-
-    /* freebsd returns the written length on success, not zero. */
-    if (rv >= 0) {
-        return 0;
-    }
-    else {
-        return rv;
-    }
-}
-
-static ssize_t xattr_removexattr(const char *path, const char *name,
-                                 int options)
-{
-    if (!(options == 0 ||
-          options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return extattr_delete_link(path, EXTATTR_NAMESPACE_USER, name);
-    }
-    else {
-        return extattr_delete_file(path, EXTATTR_NAMESPACE_USER, name);
-    }
-}
-
-
-static ssize_t xattr_listxattr(const char *path, char *namebuf,
-                               size_t size, int options)
-{
-    ssize_t rv = 0;
-    if (!(options == 0 ||
-          options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        rv = extattr_list_link(path, EXTATTR_NAMESPACE_USER, namebuf, size);
-    }
-    else {
-        rv = extattr_list_file(path, EXTATTR_NAMESPACE_USER, namebuf, size);
-    }
-
-    if (rv > 0 && namebuf) {
-        convert_bsd_list(namebuf, rv);
-    }
-
-    return rv;
-}
-
-static ssize_t xattr_fgetxattr(int fd, const char *name, void *value,
-                               ssize_t size, u_int32_t position, int options)
-{
-    if (position != 0 ||
-        !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    }
-    else {
-        return extattr_get_fd(fd, EXTATTR_NAMESPACE_USER, name, value, size);
-    }
-}
-
-static ssize_t xattr_fsetxattr(int fd, const char *name, void *value,
-                               ssize_t size, u_int32_t position, int options)
-{
-    int rv = 0;
-    int nofollow;
-
-    if (position != 0) {
-        return -1;
-    }
-
-    nofollow = options & XATTR_XATTR_NOFOLLOW;
-    options &= ~XATTR_XATTR_NOFOLLOW;
-
-    if (options == XATTR_XATTR_CREATE ||
-        options == XATTR_XATTR_REPLACE) {
-        /* freebsd noop */
-    }
-    else if (options != 0) {
-        return -1;
-    }
-
-    if (nofollow) {
-        return -1;
-    }
-    else {
-        rv = extattr_set_fd(fd, EXTATTR_NAMESPACE_USER,
-                            name, value, size);
-    }
-
-    /* freebsd returns the written length on success, not zero. */
-    if (rv >= 0) {
-        return 0;
-    }
-    else {
-        return rv;
-    }
-}
-
-static ssize_t xattr_fremovexattr(int fd, const char *name, int options)
-{
-
-    if (!(options == 0 ||
-          options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    }
-    else {
-        return extattr_delete_fd(fd, EXTATTR_NAMESPACE_USER, name);
-    }
-}
-
-
-static ssize_t xattr_flistxattr(int fd, char *namebuf, size_t size, int options)
-{
-    ssize_t rv = 0;
-
-    if (!(options == 0 ||
-          options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    }
-    else {
-        rv = extattr_list_fd(fd, EXTATTR_NAMESPACE_USER, namebuf, size);
-    }
-
-    if (rv > 0 && namebuf) {
-        convert_bsd_list(namebuf, rv);
-    }
-
-    return rv;
-}
-
-#elif defined(__SUN__) || defined(__sun__) || defined(__sun)
-
-/* Solaris 9 and later compatibility API */
-#define XATTR_XATTR_NOFOLLOW 0x0001
-#define XATTR_XATTR_CREATE 0x0002
-#define XATTR_XATTR_REPLACE 0x0004
-#define XATTR_XATTR_NOSECURITY 0x0008
-
-#define XATTR_CREATE 0x1
-#define XATTR_REPLACE 0x2
-
-#ifndef u_int32_t
-#define u_int32_t uint32_t
-#endif
-
-static ssize_t xattr_fgetxattr(int fd, const char *name, void *value,
-                               ssize_t size, u_int32_t position, int options)
-{
-    int xfd;
-    ssize_t bytes;
-    struct stat statbuf;
-
-    /* XXX should check that name does not have / characters in it */
-    xfd = openat(fd, name, O_RDONLY | O_XATTR);
-    if (xfd == -1) {
-    return -1;
-    }
-    if (lseek(xfd, position, SEEK_SET) == -1) {
-    close(xfd);
-    return -1;
-    }
-    if (value == NULL) {
-        if (fstat(xfd, &statbuf) == -1) {
-        close(xfd);
-        return -1;
-        }
-    close(xfd);
-    return statbuf.st_size;
-    }
-    /* XXX should keep reading until the buffer is exhausted or EOF */
-    bytes = read(xfd, value, size);
-    close(xfd);
-    return bytes;
-}
-
-static ssize_t xattr_getxattr(const char *path, const char *name,
-                              void *value, ssize_t size, u_int32_t position,
-                              int options)
-{
-    int fd;
-    ssize_t bytes;
-
-    if (position != 0 ||
-        !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-
-    fd = open(path,
-          O_RDONLY |
-          ((options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0));
-    if (fd == -1) {
-    return -1;
-    }
-    bytes = xattr_fgetxattr(fd, name, value, size, position, options);
-    close(fd);
-    return bytes;
-}
-
-static ssize_t xattr_fsetxattr(int fd, const char *name, void *value,
-                               ssize_t size, u_int32_t position, int options)
-{
-    int xfd;
-    ssize_t bytes = 0;
-
-    /* XXX should check that name does not have / characters in it */
-    xfd = openat(fd, name, O_XATTR | O_TRUNC |
-         ((options & XATTR_XATTR_CREATE) ? O_EXCL : 0) |
-         ((options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0) |
-         ((options & XATTR_XATTR_REPLACE) ? O_RDWR : O_WRONLY|O_CREAT),
-         0644);
-    if (xfd == -1) {
-    return -1;
-    }
-    while (size > 0) {
-    bytes = write(xfd, value, size);
-    if (bytes == -1) {
-        close(xfd);
-        return -1;
-    }
-    size -= bytes;
-    value += bytes;
-    }
-    close(xfd);
-    return 0;
-}
-
-static ssize_t xattr_setxattr(const char *path, const char *name,
-                              void *value, ssize_t size, u_int32_t position,
-                              int options)
-{
-    int fd;
-    ssize_t bytes;
-
-    if (position != 0) {
-        return -1;
-    }
-
-    fd = open(path,
-          O_RDONLY | (options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0);
-    if (fd == -1) {
-    return -1;
-    }
-    bytes = xattr_fsetxattr(fd, name, value, size, position, options);
-    close(fd);
-    return bytes;
-}
-
-static ssize_t xattr_fremovexattr(int fd, const char *name, int options)
-{
-  int xfd, status;
-    /* XXX should check that name does not have / characters in it */
-    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    }
-    xfd = openat(fd, ".", O_XATTR, 0644);
-    if (xfd == -1) {
-    return -1;
-    }
-    status = unlinkat(xfd, name, 0);
-    close(xfd);
-    return status;
-}
-
-static ssize_t xattr_removexattr(const char *path, const char *name,
-                                 int options)
-{
-    int fd;
-    ssize_t status;
-
-    fd = open(path,
-          O_RDONLY | ((options & XATTR_XATTR_NOFOLLOW) ? O_NOFOLLOW : 0));
-    if (fd == -1) {
-    return -1;
-    }
-    status =  xattr_fremovexattr(fd, name, options);
-    close(fd);
-    return status;
-}
-
-static ssize_t xattr_xflistxattr(int xfd, char *namebuf, size_t size, int options)
-{
-    int esize;
-    DIR *dirp;
-    struct dirent *entry;
-    ssize_t nsize = 0;
-
-    dirp = fdopendir(xfd);
-    if (dirp == NULL) {
-        return (-1);
-    }
-    while (entry = readdir(dirp)) {
-        if (strcmp(entry->d_name, ".") == 0 ||
-                strcmp(entry->d_name, "..") == 0)
-            continue;
-        esize = strlen(entry->d_name);
-        if (nsize + esize + 1 <= size) {
-            snprintf((char *)(namebuf + nsize), esize + 1,
-                    entry->d_name);
-        }
-        nsize += esize + 1; /* +1 for \\0 */
-    }
-    closedir(dirp);
-    return nsize;
-}
-static ssize_t xattr_flistxattr(int fd, char *namebuf, size_t size, int options)
-{
-    int xfd;
-
-    xfd = openat(fd, ".", O_RDONLY | O_XATTR);
-    return xattr_xflistxattr(xfd, namebuf, size, options);
-}
-
-static ssize_t xattr_listxattr(const char *path, char *namebuf,
-                               size_t size, int options)
-{
-    int xfd;
-
-    xfd = attropen(path, ".", O_RDONLY);
-    return xattr_xflistxattr(xfd, namebuf, size, options);
-}
-
-#elif !defined(XATTR_NOFOLLOW)
-/* Linux compatibility API */
-#define XATTR_XATTR_NOFOLLOW 0x0001
-#define XATTR_XATTR_CREATE 0x0002
-#define XATTR_XATTR_REPLACE 0x0004
-#define XATTR_XATTR_NOSECURITY 0x0008
-static ssize_t xattr_getxattr(const char *path, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
-    if (position != 0 || !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return lgetxattr(path, name, value, size);
-    } else {
-        return getxattr(path, name, value, size);
-    }
-}
-
-static ssize_t xattr_setxattr(const char *path, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
-    int nofollow;
-    if (position != 0) {
-        return -1;
-    }
-    nofollow = options & XATTR_XATTR_NOFOLLOW;
-    options &= ~XATTR_XATTR_NOFOLLOW;
-    if (options == XATTR_XATTR_CREATE) {
-        options = XATTR_CREATE;
-    } else if (options == XATTR_XATTR_REPLACE) {
-        options = XATTR_REPLACE;
-    } else if (options != 0) {
-        return -1;
-    }
-    if (nofollow) {
-        return lsetxattr(path, name, value, size, options);
-    } else {
-        return setxattr(path, name, value, size, options);
-    }
-}
-
-static ssize_t xattr_removexattr(const char *path, const char *name, int options) {
-    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return lremovexattr(path, name);
-    } else {
-        return removexattr(path, name);
-    }
-}
-
-
-static ssize_t xattr_listxattr(const char *path, char *namebuf, size_t size, int options) {
-    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return llistxattr(path, namebuf, size);
-    } else {
-        return listxattr(path, namebuf, size);
-    }
-}
-
-static ssize_t xattr_fgetxattr(int fd, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
-    if (position != 0 || !(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    } else {
-        return fgetxattr(fd, name, value, size);
-    }
-}
-
-static ssize_t xattr_fsetxattr(int fd, const char *name, void *value, ssize_t size, u_int32_t position, int options) {
-    int nofollow;
-    if (position != 0) {
-        return -1;
-    }
-    nofollow = options & XATTR_XATTR_NOFOLLOW;
-    options &= ~XATTR_XATTR_NOFOLLOW;
-    if (options == XATTR_XATTR_CREATE) {
-        options = XATTR_CREATE;
-    } else if (options == XATTR_XATTR_REPLACE) {
-        options = XATTR_REPLACE;
-    } else if (options != 0) {
-        return -1;
-    }
-    if (nofollow) {
-        return -1;
-    } else {
-        return fsetxattr(fd, name, value, size, options);
-    }
-}
-
-static ssize_t xattr_fremovexattr(int fd, const char *name, int options) {
-    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    } else {
-        return fremovexattr(fd, name);
-    }
-}
-
-
-static ssize_t xattr_flistxattr(int fd, char *namebuf, size_t size, int options) {
-    if (!(options == 0 || options == XATTR_XATTR_NOFOLLOW)) {
-        return -1;
-    }
-    if (options & XATTR_XATTR_NOFOLLOW) {
-        return -1;
-    } else {
-        return flistxattr(fd, namebuf, size);
-    }
-}
-
-#else /* Mac OS X assumed */
-#define xattr_getxattr getxattr
-#define xattr_fgetxattr fgetxattr
-#define xattr_removexattr removexattr
-#define xattr_fremovexattr fremovexattr
-#define xattr_setxattr setxattr
-#define xattr_fsetxattr fsetxattr
-#define xattr_listxattr listxattr
-#define xattr_flistxattr flistxattr
-
-/* define these for use in python (see below) */
-#define XATTR_XATTR_NOFOLLOW	XATTR_NOFOLLOW
-#define XATTR_XATTR_CREATE	XATTR_CREATE
-#define XATTR_XATTR_REPLACE	XATTR_REPLACE
-#define XATTR_XATTR_NOSECURITY	XATTR_NOSECURITY
-#endif
+PATH = os.path.dirname(__file__)
 
-#ifndef XATTR_MAXNAMELEN
-#define XATTR_MAXNAMELEN 127
-#endif
-"""
+with open(os.path.join(PATH, 'lib_build.h')) as hf:
+    c_header = hf.read()
+with open(os.path.join(PATH, 'lib_build.c')) as cf:
+    c_source = cf.read()
 
-ffi.set_source('_lib', C_SRC)
+ffi = FFI()
+ffi.cdef(c_header)
+ffi.set_source('_lib', c_source)
 
 if __name__ == '__main__':
     ffi.compile()
-