version 1.1.1.2, 2013/10/14 07:51:14
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version 1.1.1.3, 2016/11/01 09:54:32
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* Extended attribute support for rsync. |
* Extended attribute support for rsync. |
* |
* |
* Copyright (C) 2004 Red Hat, Inc. |
* Copyright (C) 2004 Red Hat, Inc. |
* Copyright (C) 2003-2008 Wayne Davison | * Copyright (C) 2003-2015 Wayne Davison |
* Written by Jay Fenlason. |
* Written by Jay Fenlason. |
* |
* |
* This program is free software; you can redistribute it and/or modify |
* This program is free software; you can redistribute it and/or modify |
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#ifdef SUPPORT_XATTRS |
#ifdef SUPPORT_XATTRS |
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#ifdef HAVE_OSX_XATTRS |
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#define GETXATTR_FETCH_LIMIT (64*1024*1024) |
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#endif |
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#if defined HAVE_LINUX_XATTRS |
#if defined HAVE_LINUX_XATTRS |
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ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
Line 55 ssize_t sys_llistxattr(const char *path, char *list, s
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Line 59 ssize_t sys_llistxattr(const char *path, char *list, s
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ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
ssize_t sys_lgetxattr(const char *path, const char *name, void *value, size_t size) |
{ |
{ |
return getxattr(path, name, value, size, 0, XATTR_NOFOLLOW); | ssize_t len = getxattr(path, name, value, size, 0, XATTR_NOFOLLOW); |
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| /* If we're retrieving data, handle resource forks > 64MB specially */ |
| if (value != NULL && len == GETXATTR_FETCH_LIMIT && (size_t)len < size) { |
| /* getxattr will only return 64MB of data at a time, need to call again with a new offset */ |
| u_int32_t offset = len; |
| size_t data_retrieved = len; |
| while (data_retrieved < size) { |
| len = getxattr(path, name, value + offset, size - data_retrieved, offset, XATTR_NOFOLLOW); |
| if (len <= 0) |
| break; |
| data_retrieved += len; |
| offset += (u_int32_t)len; |
| } |
| len = data_retrieved; |
| } |
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| return len; |
} |
} |
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ssize_t sys_fgetxattr(int filedes, const char *name, void *value, size_t size) |
ssize_t sys_fgetxattr(int filedes, const char *name, void *value, size_t size) |