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/*
* internal.h: internal definitions just used by code from the library
*/
#ifndef __VIR_INTERNAL_H__
#define __VIR_INTERNAL_H__
#include <errno.h>
#include <limits.h>
#include <verify.h>
#ifdef HAVE_SYS_SYSLIMITS_H
#include <sys/syslimits.h>
#endif
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#define PTHREAD_MUTEX_T(v) pthread_mutex_t v
#else
/* Mutex functions disappear if we don't have pthread. */
#define PTHREAD_MUTEX_T(v) /*empty*/
#define pthread_mutex_init(lk,p) /*empty*/
#define pthread_mutex_destroy(lk) /*empty*/
#define pthread_mutex_lock(lk) /*empty*/
#define pthread_mutex_unlock(lk) /*empty*/
#define pthread_sigmask(h, s, o) sigprocmask((h), (s), (o))
#endif
/* The library itself is allowed to use deprecated functions /
* variables, so effectively undefine the deprecated attribute
* which would otherwise be defined in libvirt.h.
*/
#define VIR_DEPRECATED /*empty*/
#include "gettext.h"
#include "libvirt/libvirt.h"
#include "libvirt/virterror.h"
/* On architectures which lack these limits, define them (ie. Cygwin).
* Note that the libvirt code should be robust enough to handle the
* case where actual value is longer than these limits (eg. by setting
* length correctly in second argument to gethostname and by always
* using strncpy instead of strcpy).
*/
#ifndef HOST_NAME_MAX
#define HOST_NAME_MAX 256
#endif
#ifndef IF_NAMESIZE
#define IF_NAMESIZE 16
#endif
#ifndef INET_ADDRSTRLEN
#define INET_ADDRSTRLEN 16
#endif
#define _(str) dgettext(GETTEXT_PACKAGE, (str))
#define N_(str) dgettext(GETTEXT_PACKAGE, (str))
/* String equality tests, suggested by Jim Meyering. */
#define STREQ(a,b) (strcmp((a),(b)) == 0)
#define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
#define STRNEQ(a,b) (strcmp((a),(b)) != 0)
#define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
#define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
#define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
#define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
#define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
#define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
#define NUL_TERMINATE(buf) do { (buf)[sizeof(buf)-1] = '\0'; } while (0)
#define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array))
/* C99 uses __func__. __FUNCTION__ is legacy. */
#ifndef __GNUC__
#define __FUNCTION__ __func__
#endif
#ifdef __GNUC__
#ifndef __GNUC_PREREQ
#define __GNUC_PREREQ(maj,min) 0
#endif
/**
* ATTRIBUTE_UNUSED:
*
* Macro to flag conciously unused parameters to functions
*/
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__((__unused__))
#endif
/**
* ATTRIBUTE_FORMAT
*
* Macro used to check printf/scanf-like functions, if compiling
* with gcc.
*/
#ifndef ATTRIBUTE_FORMAT
#define ATTRIBUTE_FORMAT(args...) __attribute__((__format__ (args)))
#endif
#ifndef ATTRIBUTE_RETURN_CHECK
#if __GNUC_PREREQ (3, 4)
#define ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__))
#else
#define ATTRIBUTE_RETURN_CHECK
#endif
#endif
#else
#define ATTRIBUTE_UNUSED
#define ATTRIBUTE_FORMAT(...)
#define ATTRIBUTE_RETURN_CHECK
#endif /* __GNUC__ */
/*
* Use this when passing possibly-NULL strings to printf-a-likes.
*/
#define NULLSTR(s) \
((void)verify_true(sizeof *(s) == sizeof (char)), \
(s) ? (s) : "(null)")
/**
* TODO:
*
* macro to flag unimplemented blocks
*/
#define TODO \
fprintf(stderr, "Unimplemented block at %s:%d\n", \
__FILE__, __LINE__);
#endif /* __VIR_INTERNAL_H__ */
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