forked from openkylin/imagemagick
272 lines
10 KiB
C
272 lines
10 KiB
C
/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% V V M M SSSSS %
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% V V MM MM SS %
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% V V M M M SSS %
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% V V M M SS %
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% V M M SSSSS %
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% %
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% %
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% MagickCore VMS Utility Methods %
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% %
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% Software Design %
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% Cristy %
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% October 1994 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% The directory methods are strongly based on similar methods written
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% by Rich Salz.
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%
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*/
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#if defined(vms)
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/string_.h"
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#include "magick/memory_.h"
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#include "magick/vms.h"
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#if !defined(_AXP_) && (!defined(__VMS_VER) || (__VMS_VER < 70000000))
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% c l o s e d i r %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% closedir() closes the named directory stream and frees the DIR structure.
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%
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% The format of the closedir method is:
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%
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%
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% A description of each parameter follows:
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%
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% o entry: Specifies a pointer to a DIR structure.
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%
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%
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*/
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void closedir(DIR *directory)
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{
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if (image->debug != MagickFalse)
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(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
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assert(directory != (DIR *) NULL);
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directory->pattern=DestroyString(directory->pattern);
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directory=DestroyString(directory);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% o p e n d i r %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% opendir() opens the directory named by filename and associates a directory
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% stream with it.
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%
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% The format of the opendir method is:
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%
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% opendir(entry)
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%
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% A description of each parameter follows:
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%
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% o entry: Specifies a pointer to a DIR structure.
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%
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%
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*/
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DIR *opendir(char *name)
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{
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DIR
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*directory;
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/*
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Allocate memory for handle and the pattern.
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*/
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directory=(DIR *) AcquireMagickMemory(sizeof(DIR));
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if (directory == (DIR *) NULL)
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{
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errno=ENOMEM;
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return((DIR *) NULL);
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}
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if (strcmp(".",name) == 0)
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name="";
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directory->pattern=(char *) AcquireQuantumMemory(strlen(name)+sizeof("*.*")+
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1UL,sizeof(*directory->pattern));
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if (directory->pattern == (char *) NULL)
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{
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directory=DestroyString(directory);
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errno=ENOMEM;
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return(NULL);
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}
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/*
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Initialize descriptor.
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*/
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(void) FormatLocaleString(directory->pattern,MaxTextExtent,"%s*.*",name);
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directory->context=0;
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directory->pat.dsc$a_pointer=directory->pattern;
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directory->pat.dsc$w_length=strlen(directory->pattern);
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directory->pat.dsc$b_dtype=DSC$K_DTYPE_T;
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directory->pat.dsc$b_class=DSC$K_CLASS_S;
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return(directory);
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}
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% r e a d d i r %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% readdir() returns a pointer to a structure representing the directory entry
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% at the current position in the directory stream to which entry refers.
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%
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% The format of the readdir
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%
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% readdir(entry)
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%
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% A description of each parameter follows:
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%
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% o entry: Specifies a pointer to a DIR structure.
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%
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%
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*/
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struct dirent *readdir(DIR *directory)
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{
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char
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buffer[sizeof(directory->entry.d_name)];
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int
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status;
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char
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*p;
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int
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i;
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struct dsc$descriptor_s
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result;
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/*
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Initialize the result descriptor.
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*/
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result.dsc$a_pointer=buffer;
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result.dsc$w_length=sizeof(buffer)-2;
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result.dsc$b_dtype=DSC$K_DTYPE_T;
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result.dsc$b_class=DSC$K_CLASS_S;
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status=lib$find_file(&directory->pat,&result,&directory->context);
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if ((status == RMS$_NMF) || (directory->context == 0L))
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return((struct dirent *) NULL);
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/*
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Lowercase all filenames.
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*/
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buffer[sizeof(buffer)-1]='\0';
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for (p=buffer; *p; p++)
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if (isupper((int) ((unsigned char) *p)))
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*p=LocaleLowercase(*p);
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/*
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Skip any directory component and just copy the name.
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*/
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p=buffer;
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while (isspace((int) ((unsigned char) *p)) == 0)
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p++;
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*p='\0';
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p=strchr(buffer,']');
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if (p)
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(void) CopyMagickString(directory->entry.d_name,p+1,MaxTextExtent);
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else
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(void) CopyMagickString(directory->entry.d_name,buffer,MaxTextExtent);
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directory->entry.d_namlen=strlen(directory->entry.d_name);
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return(&directory->entry);
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}
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#endif /* !defined(_AXP_) && (!defined(__VMS_VER) || (__VMS_VER < 70000000)) */
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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% I s M a g i c k C o n f l i c t %
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% %
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% %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% VMSIsMagickConflict() returns true if the image format conflicts with a
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% logical drive (.e.g. SYS$SCRATCH:).
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%
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% Contributed by Forrest Cahoon (forrest@wiredaemons.com)
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%
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% The format of the VMSIsMagickConflict method is:
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%
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% MagickBooleanType VMSIsMagickConflict(const char *magick)
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%
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% A description of each parameter follows:
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%
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% o magick: Specifies the image format.
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%
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%
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*/
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MagickExport MagickBooleanType VMSIsMagickConflict(const char *magick)
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{
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ile3
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item_list[2];
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int
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device_class,
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status;
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struct dsc$descriptor_s
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device;
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assert(magick != (char *) NULL);
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device.dsc$w_length=strlen(magick);
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device.dsc$a_pointer=(char *) magick;
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device.dsc$b_class=DSC$K_CLASS_S;
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device.dsc$b_dtype=DSC$K_DTYPE_T;
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item_list[0].ile3$w_length=sizeof(device_class);
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item_list[0].ile3$w_code=DVI$_DEVCLASS;
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item_list[0].ile3$ps_bufaddr=&device_class;
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item_list[0].ile3$ps_retlen_addr=NULL;
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(void) memset(&item_list[1],0,sizeof(item_list[1]));
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status=sys$getdviw(0,0,&device,&item_list,0,0,0,0);
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if ((status == SS$_NONLOCAL) ||
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((status & 0x01) && (device_class & (DC$_DISK | DC$_TAPE))))
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return(MagickTrue);
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return(MagickFalse);
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}
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#endif /* defined(vms) */
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