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https://github.com/libguestfs/libguestfs.git
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116 lines
4.7 KiB
C
116 lines
4.7 KiB
C
/* libguestfs
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* Copyright (C) 2013 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* This header contains definitions which are shared by all parts of
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* libguestfs, ie. the daemon, the library, language bindings and virt
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* tools (ie. I<all> C code).
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*
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* If you need a definition used by only the library, put it in
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* F<lib/guestfs-internal.h> instead. If you need a definition used
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* by only the frontend (non-daemon) parts of libguestfs, try
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* F<lib/guestfs-internal-frontend.h>. If a definition is used by
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* only a single tool, it should not be in any shared header file at
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* all.
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*/
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#ifndef GUESTFS_INTERNAL_ALL_H_
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#define GUESTFS_INTERNAL_ALL_H_
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/* This is also defined in <guestfs.h>, so don't redefine it. */
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#if defined(__GNUC__) && !defined(GUESTFS_GCC_VERSION)
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# define GUESTFS_GCC_VERSION \
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(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
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#endif
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#if !defined(__attribute__) && defined(__GNUC__) && GUESTFS_GCC_VERSION < 20800 /* gcc < 2.8 */
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# define __attribute__(x) /* empty */
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#endif
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#ifndef ATTRIBUTE_UNUSED
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# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
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#endif
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#define STREQ(a,b) (strcmp((a),(b)) == 0)
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#define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
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#define STRNEQ(a,b) (strcmp((a),(b)) != 0)
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#define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
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#define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
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#define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
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#define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
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#define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
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#define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
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#define STRCASEPREFIX(a,b) (strncasecmp((a),(b),strlen((b))) == 0)
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#define STRSUFFIX(a,b) (strlen((a)) >= strlen((b)) && STREQ((a)+strlen((a))-strlen((b)),(b)))
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#ifndef SOCK_CLOEXEC
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#define SOCK_CLOEXEC 0
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#endif
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#ifndef MAX
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#define MAX(a,b) ((a)>(b)?(a):(b))
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#endif
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#ifndef MIN
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#define MIN(a,b) ((a)<(b)?(a):(b))
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#endif
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#ifdef __APPLE__
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#define xdr_uint32_t xdr_u_int32_t
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#endif
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/* Macro which compiles the regexp once when the program/library is
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* loaded, and frees it when the library is unloaded.
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*/
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#define COMPILE_REGEXP(name,pattern,options) \
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static void compile_regexp_##name (void) __attribute__((constructor)); \
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static void free_regexp_##name (void) __attribute__((destructor)); \
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static pcre *name; \
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\
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static void \
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compile_regexp_##name (void) \
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{ \
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const char *err; \
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int offset; \
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name = pcre_compile ((pattern), (options), &err, &offset, NULL); \
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if (name == NULL) { \
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ignore_value (write (2, err, strlen (err))); \
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abort (); \
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} \
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} \
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\
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static void \
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free_regexp_##name (void) \
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{ \
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pcre_free (name); \
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}
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/* The type field of a parsed mountable.
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*
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* This is used both by mountable_t in the daemon, and
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* struct guestfs_int_mountable_internal in the library.
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*/
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typedef enum {
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MOUNTABLE_DEVICE, /* A bare device */
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MOUNTABLE_BTRFSVOL, /* A btrfs subvolume: device + volume */
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MOUNTABLE_PATH /* An already mounted path: device = path */
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} mountable_type_t;
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#endif /* GUESTFS_INTERNAL_ALL_H_ */
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