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/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% V V M M SSSSS %
% V V MM MM SS %
% V V M M M SSS %
% V V M M SS %
% V M M SSSSS %
% %
% %
% VMS Utility Methods for ImageMagick %
% %
% %
% Software Design %
% John Cristy %
% October 1994 %
% %
% %
% Copyright (C) 2002 ImageMagick Studio, a non-profit organization dedicated %
% to making software imaging solutions freely available. %
% %
% Permission is hereby granted, free of charge, to any person obtaining a %
% copy of this software and associated documentation files ("ImageMagick"), %
% to deal in ImageMagick without restriction, including without limitation %
% the rights to use, copy, modify, merge, publish, distribute, sublicense, %
% and/or sell copies of ImageMagick, and to permit persons to whom the %
% ImageMagick is furnished to do so, subject to the following conditions: %
% %
% The above copyright notice and this permission notice shall be included in %
% all copies or substantial portions of ImageMagick. %
% %
% The software is provided "as is", without warranty of any kind, express or %
% implied, including but not limited to the warranties of merchantability, %
% fitness for a particular purpose and noninfringement. In no event shall %
% ImageMagick Studio be liable for any claim, damages or other liability, %
% whether in an action of contract, tort or otherwise, arising from, out of %
% or in connection with ImageMagick or the use or other dealings in %
% ImageMagick. %
% %
% Except as contained in this notice, the name of the ImageMagick Studio %
% shall not be used in advertising or otherwise to promote the sale, use or %
% other dealings in ImageMagick without prior written authorization from the %
% ImageMagick Studio. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% The directory methods are strongly based on similar methods written
% by Rich Salz.
%
*/
#if defined(vms)
/*
Include declarations.
*/
#include "magick.h"
#include "define.h"
#include "vms.h"
#if !defined(_AXP_) && (!defined(__VMS_VER) || (__VMS_VER < 70000000))
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% c l o s e d i r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method closedir closes the named directory stream and frees the DIR
% structure.
%
% The format of the closedir method is:
%
%
% A description of each parameter follows:
%
% o entry: Specifies a pointer to a DIR structure.
%
%
*/
void closedir(DIR *directory)
{
assert(directory != (DIR *) NULL);
LiberateMemory((void **) &directory->pattern);
LiberateMemory((void **) &directory);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% o p e n d i r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method opendir opens the directory named by filename and associates
% a directory stream with it.
%
% The format of the opendir method is:
%
% opendir(entry)
%
% A description of each parameter follows:
%
% o entry: Specifies a pointer to a DIR structure.
%
%
*/
DIR *opendir(char *name)
{
DIR
*directory;
/*
Allocate memory for handle and the pattern.
*/
directory=(DIR *) AcquireMemory(sizeof(DIR));
if (directory == (DIR *) NULL)
{
errno=ENOMEM;
return((DIR *) NULL);
}
if (strcmp(".",name) == 0)
name="";
directory->pattern=
AcquireMemory((unsigned int) (strlen(name)+sizeof("*.*")+1));
if (directory->pattern == (char *) NULL)
{
LiberateMemory((void **) &directory);
errno=ENOMEM;
return(NULL);
}
/*
Initialize descriptor.
*/
FormatString(directory->pattern,"%.1024s*.*",name);
directory->context=0;
directory->pat.dsc$a_pointer=directory->pattern;
directory->pat.dsc$w_length=strlen(directory->pattern);
directory->pat.dsc$b_dtype=DSC$K_DTYPE_T;
directory->pat.dsc$b_class=DSC$K_CLASS_S;
return(directory);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% r e a d d i r %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method readdir returns a pointer to a structure representing the
% directory entry at the current position in the directory stream to
% which entry refers.
%
% The format of the readdir
%
% readdir(entry)
%
% A description of each parameter follows:
%
% o entry: Specifies a pointer to a DIR structure.
%
%
*/
struct dirent *readdir(DIR *directory)
{
char
buffer[sizeof(directory->entry.d_name)];
int
status;
register char
*p;
register int
i;
struct dsc$descriptor_s
result;
/*
Initialize the result descriptor.
*/
result.dsc$a_pointer=buffer;
result.dsc$w_length=sizeof(buffer)-2;
result.dsc$b_dtype=DSC$K_DTYPE_T;
result.dsc$b_class=DSC$K_CLASS_S;
status=lib$find_file(&directory->pat,&result,&directory->context);
if ((status == RMS$_NMF) || (directory->context == 0L))
return((struct dirent *) NULL);
/*
Lowercase all filenames.
*/
buffer[sizeof(buffer)-1]='\0';
for (p=buffer; *p; p++)
if (isupper(*p))
*p=tolower(*p);
/*
Skip any directory component and just copy the name.
*/
p=buffer;
while (!isspace(*p))
p++;
*p='\0';
p=strchr(buffer,']');
if (p)
(void) strncpy(directory->entry.d_name,p+1,MaxTextExtent-1);
else
(void) strncpy(directory->entry.d_name,buffer,MaxTextExtent-1);
directory->entry.d_namlen=strlen(directory->entry.d_name);
return(&directory->entry);
}
#endif /* !defined(_AXP_) && (!defined(__VMS_VER) || (__VMS_VER < 70000000)) */
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% I s M a g i c k C o n f l i c t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Method VMSIsMagickConflict returns true if the image format conflicts with
% with a logical drive (.e.g. SYS$SCRATCH:).
%
% Contributed by Forrest Cahoon (forrest@wiredaemons.com)
%
% The format of the VMSIsMagickConflict method is:
%
% status=VMSIsMagickConflict(const char *magick)
%
% A description of each parameter follows:
%
% o status: Method VMSIsMagickConflict returns true if the image format
% conflicts with a logical drive.
%
% o magick: Specifies the image format.
%
%
*/
MagickExport unsigned int VMSIsMagickConflict(const char *magick)
{
ile3
item_list[2];
int
device_class,
status;
struct dsc$descriptor_s
device;
assert(magick != (char *) NULL);
device.dsc$w_length=strlen(magick);
device.dsc$a_pointer=(char *) magick;
device.dsc$b_class=DSC$K_CLASS_S;
device.dsc$b_dtype=DSC$K_DTYPE_T;
item_list[0].ile3$w_length=sizeof(device_class);
item_list[0].ile3$w_code=DVI$_DEVCLASS;
item_list[0].ile3$ps_bufaddr=&device_class;
item_list[0].ile3$ps_retlen_addr=NULL;
(void) memset(&item_list[1],0,sizeof(item_list[1]));
status=sys$getdviw(0,0,&device,&item_list,0,0,0,0);
if ((status == SS$_NONLOCAL) ||
((status & 0x01) && (device_class & (DC$_DISK | DC$_TAPE))))
return(True);
return(False);
}
#endif /* defined(vms) */
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