source/blender/blenlib/intern/storage.c

   1 /**
   2  * $Id$
   3  *
   4  * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version. The Blender
  10  * Foundation also sells licenses for use in proprietary software under
  11  * the Blender License.  See http://www.blender.org/BL/ for information
  12  * about this.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  *
  23  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  24  * All rights reserved.
  25  *
  26  * The Original Code is: all of this file.
  27  *
  28  * Contributor(s): none yet.
  29  *
  30  * ***** END GPL/BL DUAL LICENSE BLOCK *****
  31  * Reorganised mar-01 nzc
  32  * Some really low-level file thingies.
  33  */
  34
  35 #include <sys/types.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>                     /* voorkomt dat je bij malloc type moet aangeven */
  38
  39 #ifdef WIN32
  40
  41 #include <windows.h>
  42 #include "BLI_winstuff.h"
  43 #include <sys/types.h>
  44 #include <io.h>
  45 #include <direct.h>
  46 #endif
  47
  48 #ifndef WIN32
  49 #include <dirent.h>
  50 #endif
  51
  52 #include <time.h>
  53 #include <sys/stat.h>
  54
  55 #if defined(__sgi) || defined(__sun__)
  56 #include <sys/statfs.h>
  57 #endif
  58
  59 #ifdef __FreeBSD__
  60 #include <sys/param.h>
  61 #include <sys/mount.h>
  62 #endif
  63
  64 #if defined(linux) || defined(__CYGWIN32__)
  65 #include <sys/vfs.h>
  66 #endif
  67
  68 #ifdef __BeOS
  69 struct statfs {
  70         int f_bsize;
  71         int f_bfree;
  72 };
  73 #endif
  74
  75 #ifdef __APPLE__
  76 /* For statfs */
  77 #include <sys/param.h>
  78 #include <sys/mount.h>
  79 #endif /* __APPLE__ */
  80
  81
  82 #include <fcntl.h>
  83 #if !defined(__BeOS) && !defined(WIN32)
  84 #include <sys/mtio.h>                   /* tape comando's */
  85 #endif
  86 #include <string.h>                     /* strcpy etc.. */
  87
  88 #ifndef WIN32
  89 #include <sys/ioctl.h>
  90 #include <unistd.h>                     /*  */
  91 #include <pwd.h>
  92 #endif
  93
  94 /* MAART: #ifndef __FreeBSD__ */
  95 #if !defined(__FreeBSD__) && !defined(__APPLE__)
  96 #include <malloc.h>
  97 #endif
  98
  99 /* lib includes */
 100 #include "MEM_guardedalloc.h"
 101
 102 #include "DNA_listBase.h"
 103 #include "BLI_blenlib.h"
 104 #include "BLI_storage.h"
 105 #include "BLI_storage_types.h"
 106
 107 #include "BLI_util.h"
 108 #include "BLI_linklist.h"
 109
 110 /* functions */
 111 void  BLI_buildpwtable(struct passwd **pwtable);
 112 void  BLI_freepwtable(struct passwd *pwtable);
 113 char *BLI_findpwtable(struct passwd *pwtable, unsigned short user);
 114
 115 /* vars: */
 116 static int totnum,actnum;
 117 static struct direntry *files;
 118
 119 static struct ListBase dirbase_={
 120         0,0};
 121 static struct ListBase *dirbase = &dirbase_;
 122
 123
 124 char *BLI_getwdN(char *dir)
 125 {
 126         char *pwd;
 127
 128         if (dir) {
 129                 pwd = getenv("PWD");
 130                 if (pwd){
 131                         strcpy(dir, pwd);
 132                         return(dir);
 133                 }
 134                 /* 160 is FILE_MAXDIR in filesel.c */
 135                 return( getcwd(dir, 160) );
 136         }
 137         return(0);
 138 }
 139
 140
 141 int BLI_compare(struct direntry *entry1, struct direntry *entry2)
 142 {
 143         /* type is gelijk aan stat.st_mode */
 144
 145         if (S_ISDIR(entry1->type)){
 146                 if (S_ISDIR(entry2->type)==0) return (-1);
 147         } else{
 148                 if (S_ISDIR(entry2->type)) return (1);
 149         }
 150         if (S_ISREG(entry1->type)){
 151                 if (S_ISREG(entry2->type)==0) return (-1);
 152         } else{
 153                 if (S_ISREG(entry2->type)) return (1);
 154         }
 155         if ((entry1->type & S_IFMT) < (entry2->type & S_IFMT)) return (-1);
 156         if ((entry1->type & S_IFMT) > (entry2->type & S_IFMT)) return (1);
 157         return (strcasecmp(entry1->relname,entry2->relname));
 158 }
 159
 160
 161 double BLI_diskfree(char *dir)
 162 {
 163 #ifdef WIN32
 164         DWORD sectorspc, bytesps, freec, clusters;
 165         char tmp[4];
 166
 167         tmp[0]='\\'; tmp[1]=0; /* Just a failsafe */
 168         if (dir[0]=='/' || dir[0]=='\\') {
 169                 tmp[0]='\\';
 170                 tmp[1]=0;
 171         } else if (dir[1]==':') {
 172                 tmp[0]=dir[0];
 173                 tmp[1]=':';
 174                 tmp[2]='\\';
 175                 tmp[3]=0;
 176         }
 177
 178         GetDiskFreeSpace(tmp,&sectorspc, &bytesps, &freec, &clusters);
 179
 180         return (double) (freec*bytesps*sectorspc);
 181 #else
 182         struct statfs disk;
 183         char name[100],*slash;
 184
 185
 186         strcpy(name,dir);
 187
 188         if(strlen(name)){
 189                 slash = strrchr(name,'/');
 190                 if (slash) slash[1] = 0;
 191         } else strcpy(name,"/");
 192
 193 #if defined __FreeBSD__ || defined linux
 194         if (statfs(name, &disk)) return(-1);
 195 #endif
 196 #ifdef __BeOS
 197         return -1;
 198 #endif
 199 #if defined __sgi || defined __sun__
 200
 201         if (statfs(name, &disk, sizeof(struct statfs), 0)){
 202                 /* printf("diskfree: Couldn't get information about %s.\n",dir); */
 203                 return(-1);
 204         }
 205 #endif
 206
 207         return ( ((double) disk.f_bsize) * ((double) disk.f_bfree));
 208 #endif
 209 }
 210
 211 static int hide_dot= 0;
 212
 213 void BLI_hide_dot_files(int set)
 214 {
 215         if(set) hide_dot= 1;
 216         else hide_dot= 0;
 217 }
 218
 219 void BLI_builddir(char *dirname, char *relname)
 220 {
 221         struct dirent *fname;
 222         struct dirlink *dlink;
 223         int rellen, newnum = 0, seen_ = 0, seen__ = 0;
 224         char buf[256];
 225         DIR *dir;
 226
 227         strcpy(buf,relname);
 228         rellen=strlen(relname);
 229
 230         if (rellen){
 231                 buf[rellen]='/';
 232                 rellen++;
 233         }
 234
 235         if (chdir(dirname) == -1){
 236                 perror(dirname);
 237                 return;
 238         }
 239
 240         if (dir = (DIR *)opendir(".")){
 241                 while ((fname = (struct dirent*) readdir(dir)) != NULL) {
 242
 243                         if(hide_dot && fname->d_name[0]=='.' && fname->d_name[1]!='.' && fname->d_name[1]!=0);
 244                         else {
 245
 246                                 dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
 247                                 if (dlink){
 248                                         strcpy(buf+rellen,fname->d_name);
 249
 250                                         dlink->name = strdup(buf);
 251
 252                                         if (dlink->name[0] == '.') {
 253                                                 if (dlink->name[1] == 0) seen_ = 1;
 254                                                 else if (dlink->name[1] == '.') {
 255                                                         if (dlink->name[2] == 0) seen__ = 1;
 256                                                 }
 257                                         }
 258                                         BLI_addhead(dirbase,dlink);
 259                                         newnum++;
 260                                 }
 261                         }
 262                 }
 263
 264                 if (newnum){
 265 #ifndef WIN32
 266                         if (seen_ == 0) {       /* Cachefs PATCH */
 267                                 dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
 268                                 strcpy(buf+rellen,"./.");
 269                                 dlink->name = strdup(buf);
 270                                 BLI_addhead(dirbase,dlink);
 271                                 newnum++;
 272                         }
 273                         if (seen__ == 0) {      /* MAC PATCH */
 274                                 dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
 275                                 strcpy(buf+rellen,"./..");
 276                                 dlink->name = strdup(buf);
 277                                 BLI_addhead(dirbase,dlink);
 278                                 newnum++;
 279                         }
 280 #endif
 281
 282                         if (files) files=(struct direntry *)realloc(files,(totnum+newnum) * sizeof(struct direntry));
 283                         else files=(struct direntry *)malloc(newnum * sizeof(struct direntry));
 284
 285                         if (files){
 286                                 dlink = (struct dirlink *) dirbase->first;
 287                                 while(dlink){
 288                                         memset(&files[actnum], 0 , sizeof(struct direntry));
 289                                         files[actnum].relname = dlink->name;
 290                                         stat(dlink->name,&files[actnum].s);
 291                                         files[actnum].type=files[actnum].s.st_mode;
 292                                         files[actnum].flags = 0;
 293                                         totnum++;
 294                                         actnum++;
 295                                         dlink = dlink->next;
 296                                 }
 297                         } else{
 298                                 printf("Couldn't get memory for dir\n");
 299                                 exit(1);
 300                         }
 301
 302                         BLI_freelist(dirbase);
 303                         if (files) qsort(files, actnum, sizeof(struct direntry), (int (*)(const void *,const void*))BLI_compare);
 304                 } else {
 305                         printf("%s empty directory\n",dirname);
 306                 }
 307
 308                 closedir(dir);
 309         } else {
 310                 printf("%s non-existant directory\n",dirname);
 311         }
 312 }
 313
 314 #ifndef WIN32
 315 void BLI_buildpwtable(struct passwd **pwtable)
 316 {
 317         int count=0,slen;
 318         struct passwd *pw,*pwtab;
 319
 320         do{
 321                 pw=getpwent();
 322                 if (pw){
 323                         count++;
 324                 }
 325         }while(pw);
 326         endpwent();
 327
 328         pwtab = (struct passwd *)calloc(count+1,sizeof(struct passwd));
 329         count=0;
 330         do{
 331                 pw=getpwent();
 332                 if (pw){
 333                         pwtab[count] = *pw;
 334                         slen = strlen(pw->pw_name);
 335                         pwtab[count].pw_name = malloc(slen+1);
 336                         strcpy(pwtab[count].pw_name,pw->pw_name);
 337                         count ++;
 338                 }
 339         }while(pw);
 340         pwtab[count].pw_name = 0;
 341         endpwent();
 342
 343         *(pwtable) = pwtab;
 344 }
 345
 346 void BLI_freepwtable(struct passwd *pwtable)
 347 {
 348         int count=0;
 349
 350         do{
 351                 if (pwtable[count].pw_name) free(pwtable[count].pw_name);
 352                 else break;
 353                 count++;
 354         }while (1);
 355
 356         free(pwtable);
 357 }
 358
 359
 360 char *BLI_findpwtable(struct passwd *pwtable, ushort user)
 361 {
 362         static char string[32];
 363
 364         while (pwtable->pw_name){
 365                 if (pwtable->pw_uid == user){
 366                         return (pwtable->pw_name);
 367                 }
 368                 pwtable++;
 369         }
 370         sprintf(string, "%d", user);
 371         return (string);
 372 }
 373 #endif
 374
 375
 376 void BLI_adddirstrings()
 377 {
 378         char datum[100];
 379         char buf[250];
 380         char size[250];
 381         static char * types[8] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
 382         int num, mode;
 383         int num1, num2, num3, num4, st_size;
 384 #ifndef WIN32
 385         struct passwd *pwtable;
 386 #endif
 387         struct direntry * file;
 388         struct tm *tm;
 389
 390 #ifndef WIN32
 391         BLI_buildpwtable(&pwtable);
 392 #endif
 393
 394         file = &files[0];
 395
 396         for(num=0;num<actnum;num++){
 397 #ifdef WIN32
 398                 mode = 0;
 399                 strcpy(file->mode1, types[0]);
 400                 strcpy(file->mode2, types[0]);
 401                 strcpy(file->mode3, types[0]);
 402 #else
 403                 mode = file->s.st_mode;
 404
 405                 strcpy(file->mode1, types[(mode & 0700) >> 6]);
 406                 strcpy(file->mode2, types[(mode & 0070) >> 3]);
 407                 strcpy(file->mode3, types[(mode & 0007)]);
 408
 409                 if (((mode & S_ISGID) == S_ISGID) && (file->mode2[2]=='-'))file->mode2[2]='l';
 410
 411                 if (mode & (S_ISUID | S_ISGID)){
 412                         if (file->mode1[2]=='x') file->mode1[2]='s';
 413                         else file->mode1[2]='S';
 414
 415                         if (file->mode2[2]=='x')file->mode2[2]='s';
 416                 }
 417
 418                 if (mode & S_ISVTX){
 419                         if (file->mode3[2] == 'x') file->mode3[2] = 't';
 420                         else file->mode3[2] = 'T';
 421                 }
 422 #endif
 423
 424 #ifdef WIN32
 425                 strcpy(files[num].owner,"user");
 426 #else
 427                 strcpy(files[num].owner, BLI_findpwtable(pwtable,files[num].s.st_uid));
 428 #endif
 429
 430                 tm= localtime(&files[num].s.st_mtime);
 431                 strftime(files[num].time, 8, "%H:%M", tm);
 432                 strftime(files[num].date, 16, "%d-%b-%y", tm);
 433
 434                 st_size= (int)files[num].s.st_size;
 435
 436                 num1= st_size % 1000;
 437                 num2= st_size/1000;
 438                 num2= num2 % 1000;
 439                 num3= st_size/(1000*1000);
 440                 num3= num3 % 1000;
 441                 num4= st_size/(1000*1000*1000);
 442                 num4= num4 % 1000;
 443
 444                 if(num4) sprintf(files[num].size, "%3d %03d %03d %03d", num4, num3, num2, num1);
 445                 else if(num3) sprintf(files[num].size, "%7d %03d %03d", num3, num2, num1);
 446                 else if(num2) sprintf(files[num].size, "%11d %03d", num2, num1);
 447                 else if(num1) sprintf(files[num].size, "%15d", num1);
 448                 else sprintf(files[num].size, "");
 449
 450                 strftime(datum, 32, "%d-%b-%y %R", tm);
 451
 452                 if (st_size < 1000) {
 453                         sprintf(size, "%10d", st_size);
 454                 } else if (st_size < 1000 * 1000) {
 455                         sprintf(size, "%6d %03d", st_size / 1000, st_size % 1000);
 456                 } else if (st_size < 100 * 1000 * 1000) {
 457                         sprintf(size, "%2d %03d %03d", st_size / (1000 * 1000), (st_size / 1000) % 1000, st_size % 1000);
 458                 } else {
 459                         sprintf(size, "> %4.1f M", st_size / (1024.0 * 1024.0));
 460                         sprintf(size, "%10d", st_size);
 461                 }
 462
 463                 sprintf(buf,"%s %s %10s %s", files[num].date, files[num].time, size,
 464                         files[num].relname);
 465
 466                 sprintf(buf,"%s %s %s %7s %s %s %10s %s", file->mode1, file->mode2, file->mode3, files[num].owner, files[num].date, files[num].time, size,
 467                         files[num].relname);
 468
 469                 files[num].string=malloc(strlen(buf)+1);
 470                 if (files[num].string){
 471                         strcpy(files[num].string,buf);
 472                 }
 473
 474                 file++;
 475         }
 476 #ifndef WIN32
 477         BLI_freepwtable(pwtable);
 478 #endif
 479 }
 480
 481 unsigned int BLI_getdir(char *dirname,  struct direntry **filelist)
 482 {
 483         // reset global variables
 484         // memory stored in files is free()'d in
 485         // filesel.c:freefilelist()
 486
 487         actnum = totnum = 0;
 488         files = 0;
 489
 490         BLI_builddir(dirname,"");
 491         BLI_adddirstrings();
 492
 493         if (files) {
 494                 *(filelist) = files;
 495         } else {
 496                 // keep blender happy. Blender stores this in a variable
 497                 // where 0 has special meaning.....
 498                 *(filelist) = files = malloc(sizeof(struct direntry));
 499         }
 500
 501         return(actnum);
 502 }
 503
 504
 505 int BLI_filesize(int file)
 506 {
 507         struct stat buf;
 508
 509         if (file <= 0) return (-1);
 510         fstat(file, &buf);
 511         return (buf.st_size);
 512 }
 513
 514
 515
 516 int BLI_exist(char *name)
 517 {
 518         struct stat st;
 519
 520         if (stat(name,&st)) return(0);
 521         return(st.st_mode);
 522 }
 523
 524 LinkNode *BLI_read_file_as_lines(char *name)
 525 {
 526         FILE *fp= fopen(name, "r");
 527         LinkNode *lines= NULL;
 528         char *buf;
 529         int size;
 530
 531         if (!fp) return NULL;
 532
 533         fseek(fp, 0, SEEK_END);
 534         size= ftell(fp);
 535         fseek(fp, 0, SEEK_SET);
 536
 537         buf= malloc(size);
 538         if (buf) {
 539                 int i, last= 0;
 540
 541                         /*
 542                          * size = because on win32 reading
 543                          * all the bytes in the file will return
 544                          * less bytes because of crnl changes.
 545                          */
 546                 size= fread(buf, 1, size, fp);
 547                 for (i=0; i<=size; i++) {
 548                         if (i==size || buf[i]=='\n') {
 549                                 char *line= BLI_strdupn(&buf[last], i-last);
 550
 551                                 BLI_linklist_prepend(&lines, line);
 552                                 last= i+1;
 553                         }
 554                 }
 555
 556                 free(buf);
 557         }
 558
 559         fclose(fp);
 560
 561         BLI_linklist_reverse(&lines);
 562         return lines;
 563 }
 564
 565 void BLI_free_file_lines(LinkNode *lines)
 566 {
 567         BLI_linklist_free(lines, (void(*)(void*)) MEM_freeN);
 568 }