1 /* 2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3 % % 4 % % 5 % % 6 % V V M M SSSSS % 7 % V V MM MM SS % 8 % V V M M M SSS % 9 % V V M M SS % 10 % V M M SSSSS % 11 % % 12 % % 13 % MagickCore VMS Utility Methods % 14 % % 15 % Software Design % 16 % Cristy % 17 % October 1994 % 18 % % 19 % % 20 % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 21 % dedicated to making software imaging solutions freely available. % 22 % % 23 % You may not use this file except in compliance with the License. You may % 24 % obtain a copy of the License at % 25 % % 26 % http://www.imagemagick.org/script/license.php % 27 % % 28 % Unless required by applicable law or agreed to in writing, software % 29 % distributed under the License is distributed on an "AS IS" BASIS, % 30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 31 % See the License for the specific language governing permissions and % 32 % limitations under the License. % 33 % % 34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 35 % 36 % The directory methods are strongly based on similar methods written 37 % by Rich Salz. 38 % 39 */ 40 41 #if defined(vms) 43 /* 44 Include declarations. 45 */ 46 #include "MagickCore/studio.h" 47 #include "MagickCore/string_.h" 48 #include "MagickCore/memory_.h" 49 #include "MagickCore/vms.h" 50 51 #if !defined(_AXP_) && (!defined(__VMS_VER) || (__VMS_VER < 70000000)) 53 /* 54 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 55 % % 56 % % 57 % % 58 % c l o s e d i r % 59 % % 60 % % 61 % % 62 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 63 % 64 % closedir() closes the named directory stream and frees the DIR structure. 65 % 66 % The format of the closedir method is: 67 % 68 % 69 % A description of each parameter follows: 70 % 71 % o entry: Specifies a pointer to a DIR structure. 72 % 73 % 74 */ 75 void closedir(DIR *directory) 76 { 77 if (image->debug != MagickFalse) 78 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); 79 assert(directory != (DIR *) NULL); 80 directory->pattern=DestroyString(directory->pattern); 81 directory=DestroyString(directory); 82 } 83 84 /* 86 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 87 % % 88 % % 89 % % 90 % o p e n d i r % 91 % % 92 % % 93 % % 94 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 95 % 96 % opendir() opens the directory named by filename and associates a directory 97 % stream with it. 98 % 99 % The format of the opendir method is: 100 % 101 % opendir(entry) 102 % 103 % A description of each parameter follows: 104 % 105 % o entry: Specifies a pointer to a DIR structure. 106 % 107 % 108 */ 109 DIR *opendir(char *name) 110 { 111 DIR 112 *directory; 113 114 /* 115 Allocate memory for handle and the pattern. 116 */ 117 directory=(DIR *) AcquireMagickMemory(sizeof(DIR)); 118 if (directory == (DIR *) NULL) 119 { 120 errno=ENOMEM; 121 return((DIR *) NULL); 122 } 123 if (strcmp(".",name) == 0) 124 name=""; 125 directory->pattern=(char *) AcquireQuantumMemory(strlen(name)+sizeof("*.*")+ 126 1UL,sizeof(*directory->pattern)); 127 if (directory->pattern == (char *) NULL) 128 { 129 directory=DestroyString(directory); 130 errno=ENOMEM; 131 return(NULL); 132 } 133 /* 134 Initialize descriptor. 135 */ 136 (void) FormatLocaleString(directory->pattern,MagickPathExtent,"%s*.*",name); 137 directory->context=0; 138 directory->pat.dsc$a_pointer=directory->pattern; 139 directory->pat.dsc$w_length=strlen(directory->pattern); 140 directory->pat.dsc$b_dtype=DSC$K_DTYPE_T; 141 directory->pat.dsc$b_class=DSC$K_CLASS_S; 142 return(directory); 143 } 144 145 /* 147 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 148 % % 149 % % 150 % % 151 % r e a d d i r % 152 % % 153 % % 154 % % 155 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 156 % 157 % readdir() returns a pointer to a structure representing the directory entry 158 % at the current position in the directory stream to which entry refers. 159 % 160 % The format of the readdir 161 % 162 % readdir(entry) 163 % 164 % A description of each parameter follows: 165 % 166 % o entry: Specifies a pointer to a DIR structure. 167 % 168 % 169 */ 170 struct dirent *readdir(DIR *directory) 171 { 172 char 173 buffer[sizeof(directory->entry.d_name)]; 174 175 int 176 status; 177 178 register char 179 *p; 180 181 register int 182 i; 183 184 struct dsc$descriptor_s 185 result; 186 187 /* 188 Initialize the result descriptor. 189 */ 190 result.dsc$a_pointer=buffer; 191 result.dsc$w_length=sizeof(buffer)-2; 192 result.dsc$b_dtype=DSC$K_DTYPE_T; 193 result.dsc$b_class=DSC$K_CLASS_S; 194 status=lib$find_file(&directory->pat,&result,&directory->context); 195 if ((status == RMS$_NMF) || (directory->context == 0L)) 196 return((struct dirent *) NULL); 197 /* 198 Lowercase all filenames. 199 */ 200 buffer[sizeof(buffer)-1]='\0'; 201 for (p=buffer; *p; p++) 202 if (isupper((int) ((unsigned char) *p))) 203 *p=tolower(*p); 204 /* 205 Skip any directory component and just copy the name. 206 */ 207 p=buffer; 208 while (isspace((int) ((unsigned char) *p)) == 0) 209 p++; 210 *p='\0'; 211 p=strchr(buffer,']'); 212 if (p) 213 (void) CopyMagickString(directory->entry.d_name,p+1,MagickPathExtent); 214 else 215 (void) CopyMagickString(directory->entry.d_name,buffer,MagickPathExtent); 216 directory->entry.d_namlen=strlen(directory->entry.d_name); 217 return(&directory->entry); 218 } 219 #endif /* !defined(_AXP_) && (!defined(__VMS_VER) || (__VMS_VER < 70000000)) */ 220 221 /* 223 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 224 % % 225 % % 226 % % 227 % I s M a g i c k C o n f l i c t % 228 % % 229 % % 230 % % 231 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 232 % 233 % VMSIsMagickConflict() returns true if the image format conflicts with a 234 % logical drive (.e.g. SYS$SCRATCH:). 235 % 236 % Contributed by Forrest Cahoon (forrest (at) wiredaemons.com) 237 % 238 % The format of the VMSIsMagickConflict method is: 239 % 240 % MagickBooleanType VMSIsMagickConflict(const char *magick) 241 % 242 % A description of each parameter follows: 243 % 244 % o magick: Specifies the image format. 245 % 246 % 247 */ 248 MagickExport MagickBooleanType VMSIsMagickConflict(const char *magick) 249 { 250 ile3 251 item_list[2]; 252 253 int 254 device_class, 255 status; 256 257 struct dsc$descriptor_s 258 device; 259 260 assert(magick != (char *) NULL); 261 device.dsc$w_length=strlen(magick); 262 device.dsc$a_pointer=(char *) magick; 263 device.dsc$b_class=DSC$K_CLASS_S; 264 device.dsc$b_dtype=DSC$K_DTYPE_T; 265 item_list[0].ile3$w_length=sizeof(device_class); 266 item_list[0].ile3$w_code=DVI$_DEVCLASS; 267 item_list[0].ile3$ps_bufaddr=&device_class; 268 item_list[0].ile3$ps_retlen_addr=NULL; 269 (void) ResetMagickMemory(&item_list[1],0,sizeof(item_list[1])); 270 status=sys$getdviw(0,0,&device,&item_list,0,0,0,0); 271 if ((status == SS$_NONLOCAL) || 272 ((status & 0x01) && (device_class & (DC$_DISK | DC$_TAPE)))) 273 return(MagickTrue); 274 return(MagickFalse); 275 } 276 #endif /* defined(vms) */ 277
