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utility-private.h
/*
Copyright @ 1999 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License. You may
obtain a copy of the License at
https://imagemagick.org/license/
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore private utility methods.
*/
#ifndef MAGICKCORE_UTILITY_PRIVATE_H
#define MAGICKCORE_UTILITY_PRIVATE_H
#include "MagickCore/memory_.h"
#include "MagickCore/nt-base.h"
#include "MagickCore/nt-base-private.h"
#if defined(MAGICKCORE_HAVE_UTIME_H)
#include <utime.h>
#endif
#if defined(__MINGW32__)
#include <share.h>
#endif
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
extern MagickPrivate char
**GetPathComponents(const char *,size_t *),
**ListFiles(const char *,const char *,size_t *);
extern MagickPrivate MagickBooleanType
GetExecutionPath(char *,const size_t),
ShredFile(const char *);
extern MagickPrivate ssize_t
GetMagickPageSize(void);
extern MagickPrivate void
ChopPathComponents(char *,const size_t),
ExpandFilename(char *);
static inline int MagickReadDirectory(DIR *directory,struct dirent *entry,
struct dirent **result)
{
(void) entry;
errno=0;
*result=readdir(directory);
return(errno);
}
static inline int access_utf8(const char *path,int mode)
{
if (path == (const char *) NULL)
return(-1);
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(access(path,mode));
#else
return(NTAccessWide(path,mode));
#endif
}
#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !defined(__CYGWIN__)
#define close_utf8 _close
#else
#define close_utf8 close
#endif
static inline FILE *fopen_utf8(const char *path,const char *mode)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(fopen(path,mode));
#else
return(NTOpenFileWide(path,mode));
#endif
}
static inline int open_utf8(const char *path,int flags,mode_t mode)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(open(path,flags,mode));
#else
return(NTOpenWide(path,flags,mode));
#endif
}
static inline FILE *popen_utf8(const char *command,const char *type)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(popen(command,type));
#else
return(NTOpenPipeWide(command,type));
#endif
}
static inline char *realpath_utf8(const char *path)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
#if defined(MAGICKCORE_HAVE_REALPATH)
/*
This does not work for non-existing files so we should fine another way
to do this in the future. This is only a possible issue when writing files.
*/
return(realpath(path,(char *) NULL));
#else
return(AcquireString(path));
#endif
#else
return(NTRealPathWide(path));
#endif
}
static inline int remove_utf8(const char *path)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(unlink(path));
#else
return(NTRemoveWide(path));
#endif
}
static inline int rename_utf8(const char *source,const char *destination)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(rename(source,destination));
#else
return(NTRenameWide(source,destination));
#endif
}
static inline int set_file_timestamp(const char *path,struct stat *attributes)
{
int
status;
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
#if defined(MAGICKCORE_HAVE_UTIMENSAT)
#if defined(__APPLE__) || defined(__NetBSD__)
#define st_atim st_atimespec
#define st_ctim st_ctimespec
#define st_mtim st_mtimespec
#endif
struct timespec
timestamp[2];
timestamp[0].tv_sec=attributes->st_atim.tv_sec;
timestamp[0].tv_nsec=attributes->st_atim.tv_nsec;
timestamp[1].tv_sec=attributes->st_mtim.tv_sec;
timestamp[1].tv_nsec=attributes->st_mtim.tv_nsec;
status=utimensat(AT_FDCWD,path,timestamp,0);
#else
struct utimbuf
timestamp;
timestamp.actime=attributes->st_atime;
timestamp.modtime=attributes->st_mtime;
status=utime(path,&timestamp);
#endif
#else
status=NTSetFileTimestamp(path,attributes);
#endif
return(status);
}
static inline int stat_utf8(const char *path,struct stat *attributes)
{
#if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__CYGWIN__)
return(stat(path,attributes));
#else
return(NTStatWide(path,attributes));
#endif
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif