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 HAVE_CONFIG_H
  40 #include <config.h>
  41 #endif
  42
  43 #ifdef WIN32
  44
  45 #include <windows.h>
  46 #include "BLI_winstuff.h"
  47 #include <sys/types.h>
  48 #include <io.h>
  49 #include <direct.h>
  50 #endif
  51
  52 #ifndef WIN32
  53 #include <dirent.h>
  54 #endif
  55
  56 #include <time.h>
  57 #include <sys/stat.h>
  58
  59 #if defined(__sgi) || defined(__sun__)
  60 #include <sys/statfs.h>
  61 #endif
  62
  63 #ifdef defined (__FreeBSD__) || defined (__OpenBSD__)
  64 #include <sys/param.h>
  65 #include <sys/mount.h>
  66 #endif
  67
  68 #if defined(linux) || defined(__CYGWIN32__)
  69 #include <sys/vfs.h>
  70 #endif
  71
  72 #ifdef __BeOS
  73 struct statfs {
  74         int f_bsize;
  75         int f_bfree;
  76 };
  77 #endif
  78
  79 #ifdef __APPLE__
  80 /* For statfs */
  81 #include <sys/param.h>
  82 #include <sys/mount.h>
  83 #endif /* __APPLE__ */
  84
  85
  86 #include <fcntl.h>
  87 #if !defined(__BeOS) && !defined(WIN32)
  88 #include <sys/mtio.h>                   /* tape comando's */
  89 #endif
  90 #include <string.h>                     /* strcpy etc.. */
  91
  92 #ifndef WIN32
  93 #include <sys/ioctl.h>
  94 #include <unistd.h>                     /*  */
  95 #include <pwd.h>
  96 #endif
  97
  98 /* MAART: #ifndef __FreeBSD__ */
  99 #if !defined(__FreeBSD__) && !defined(__APPLE__)
 100 #include <malloc.h>
 101 #endif
 102
 103 /* lib includes */
 104 #include "MEM_guardedalloc.h"
 105
 106 #include "DNA_listBase.h"
 107 #include "BLI_blenlib.h"
 108 #include "BLI_storage.h"
 109 #include "BLI_storage_types.h"
 110
 111 #include "BLI_util.h"
 112 #include "BLI_linklist.h"
 113
 114 /* functions */
 115 void  BLI_buildpwtable(struct passwd **pwtable);
 116 void  BLI_freepwtable(struct passwd *pwtable);
 117 char *BLI_findpwtable(struct passwd *pwtable, unsigned short user);
 118
 119 /* vars: */
 120 static int totnum,actnum;
 121 static struct direntry *files;
 122
 123 static struct ListBase dirbase_={
 124         0,0};
 125 static struct ListBase *dirbase = &dirbase_;
 126
 127
 128 char *BLI_getwdN(char *dir)
 129 {
 130         char *pwd;
 131
 132         if (dir) {
 133                 pwd = getenv("PWD");
 134                 if (pwd){
 135                         strcpy(dir, pwd);
 136                         return(dir);
 137                 }
 138                 /* 160 is FILE_MAXDIR in filesel.c */
 139                 return( getcwd(dir, 160) );
 140         }
 141         return(0);
 142 }
 143
 144
 145 int BLI_compare(struct direntry *entry1, struct direntry *entry2)
 146 {
 147         /* type is gelijk aan stat.st_mode */
 148
 149         if (S_ISDIR(entry1->type)){
 150                 if (S_ISDIR(entry2->type)==0) return (-1);
 151         } else{
 152                 if (S_ISDIR(entry2->type)) return (1);
 153         }
 154         if (S_ISREG(entry1->type)){
 155                 if (S_ISREG(entry2->type)==0) return (-1);
 156         } else{
 157                 if (S_ISREG(entry2->type)) return (1);
 158         }
 159         if ((entry1->type & S_IFMT) < (entry2->type & S_IFMT)) return (-1);
 160         if ((entry1->type & S_IFMT) > (entry2->type & S_IFMT)) return (1);
 161         return (strcasecmp(entry1->relname,entry2->relname));
 162 }
 163
 164
 165 double BLI_diskfree(char *dir)
 166 {
 167 #ifdef WIN32
 168         DWORD sectorspc, bytesps, freec, clusters;
 169         char tmp[4];
 170
 171         tmp[0]='\\'; tmp[1]=0; /* Just a failsafe */
 172         if (dir[0]=='/' || dir[0]=='\\') {
 173                 tmp[0]='\\';
 174                 tmp[1]=0;
 175         } else if (dir[1]==':') {
 176                 tmp[0]=dir[0];
 177                 tmp[1]=':';
 178                 tmp[2]='\\';
 179                 tmp[3]=0;
 180         }
 181
 182         GetDiskFreeSpace(tmp,&sectorspc, &bytesps, &freec, &clusters);
 183
 184         return (double) (freec*bytesps*sectorspc);
 185 #else
 186         struct statfs disk;
 187         char name[100],*slash;
 188
 189
 190         strcpy(name,dir);
 191
 192         if(strlen(name)){
 193                 slash = strrchr(name,'/');
 194                 if (slash) slash[1] = 0;
 195         } else strcpy(name,"/");
 196
 197 #if defined (__FreeBSD__) || defined (linux) || defined (__OpenBSD__)
 198         if (statfs(name, &disk)) return(-1);
 199 #endif
 200 #ifdef __BeOS
 201         return -1;
 202 #endif
 203 #if defined __sgi || defined __sun__
 204
 205         if (statfs(name, &disk, sizeof(struct statfs), 0)){
 206                 /* printf("diskfree: Couldn't get information about %s.\n",dir); */
 207                 return(-1);
 208         }
 209 #endif
 210
 211         return ( ((double) disk.f_bsize) * ((double) disk.f_bfree));
 212 #endif
 213 }
 214
 215 static int hide_dot= 0;
 216
 217 void BLI_hide_dot_files(int set)
 218 {
 219         if(set) hide_dot= 1;
 220         else hide_dot= 0;
 221 }
 222
 223 void BLI_builddir(char *dirname, char *relname)
 224 {
 225         struct dirent *fname;
 226         struct dirlink *dlink;
 227         int rellen, newnum = 0, seen_ = 0, seen__ = 0;
 228         char buf[256];
 229         DIR *dir;
 230
 231         strcpy(buf,relname);
 232         rellen=strlen(relname);
 233
 234         if (rellen){
 235                 buf[rellen]='/';
 236                 rellen++;
 237         }
 238
 239         if (chdir(dirname) == -1){
 240                 perror(dirname);
 241                 return;
 242         }
 243
 244         if (dir = (DIR *)opendir(".")){
 245                 while ((fname = (struct dirent*) readdir(dir)) != NULL) {
 246
 247                         if(hide_dot && fname->d_name[0]=='.' && fname->d_name[1]!='.' && fname->d_name[1]!=0);
 248                         else {
 249
 250                                 dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
 251                                 if (dlink){
 252                                         strcpy(buf+rellen,fname->d_name);
 253
 254                                         dlink->name = strdup(buf);
 255
 256                                         if (dlink->name[0] == '.') {
 257                                                 if (dlink->name[1] == 0) seen_ = 1;
 258                                                 else if (dlink->name[1] == '.') {
 259                                                         if (dlink->name[2] == 0) seen__ = 1;
 260                                                 }
 261                                         }
 262                                         BLI_addhead(dirbase,dlink);
 263                                         newnum++;
 264                                 }
 265                         }
 266                 }
 267
 268                 if (newnum){
 269 #ifndef WIN32
 270                         if (seen_ == 0) {       /* Cachefs PATCH */
 271                                 dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
 272                                 strcpy(buf+rellen,"./.");
 273                                 dlink->name = strdup(buf);
 274                                 BLI_addhead(dirbase,dlink);
 275                                 newnum++;
 276                         }
 277                         if (seen__ == 0) {      /* MAC PATCH */
 278                                 dlink = (struct dirlink *)malloc(sizeof(struct dirlink));
 279                                 strcpy(buf+rellen,"./..");
 280                                 dlink->name = strdup(buf);
 281                                 BLI_addhead(dirbase,dlink);
 282                                 newnum++;
 283                         }
 284 #endif
 285
 286                         if (files) files=(struct direntry *)realloc(files,(totnum+newnum) * sizeof(struct direntry));
 287                         else files=(struct direntry *)malloc(newnum * sizeof(struct direntry));
 288
 289                         if (files){
 290                                 dlink = (struct dirlink *) dirbase->first;
 291                                 while(dlink){
 292                                         memset(&files[actnum], 0 , sizeof(struct direntry));
 293                                         files[actnum].relname = dlink->name;
 294                                         stat(dlink->name,&files[actnum].s);
 295                                         files[actnum].type=files[actnum].s.st_mode;
 296                                         files[actnum].flags = 0;
 297                                         totnum++;
 298                                         actnum++;
 299                                         dlink = dlink->next;
 300                                 }
 301                         } else{
 302                                 printf("Couldn't get memory for dir\n");
 303                                 exit(1);
 304                         }
 305
 306                         BLI_freelist(dirbase);
 307                         if (files) qsort(files, actnum, sizeof(struct direntry), (int (*)(const void *,const void*))BLI_compare);
 308                 } else {
 309                         printf("%s empty directory\n",dirname);
 310                 }
 311
 312                 closedir(dir);
 313         } else {
 314                 printf("%s non-existant directory\n",dirname);
 315         }
 316 }
 317
 318 #ifndef WIN32
 319 void BLI_buildpwtable(struct passwd **pwtable)
 320 {
 321         int count=0,slen;
 322         struct passwd *pw,*pwtab;
 323
 324         do{
 325                 pw=getpwent();
 326                 if (pw){
 327                         count++;
 328                 }
 329         }while(pw);
 330         endpwent();
 331
 332         pwtab = (struct passwd *)calloc(count+1,sizeof(struct passwd));
 333         count=0;
 334         do{
 335                 pw=getpwent();
 336                 if (pw){
 337                         pwtab[count] = *pw;
 338                         slen = strlen(pw->pw_name);
 339                         pwtab[count].pw_name = malloc(slen+1);
 340                         strcpy(pwtab[count].pw_name,pw->pw_name);
 341                         count ++;
 342                 }
 343         }while(pw);
 344         pwtab[count].pw_name = 0;
 345         endpwent();
 346
 347         *(pwtable) = pwtab;
 348 }
 349
 350 void BLI_freepwtable(struct passwd *pwtable)
 351 {
 352         int count=0;
 353
 354         do{
 355                 if (pwtable[count].pw_name) free(pwtable[count].pw_name);
 356                 else break;
 357                 count++;
 358         }while (1);
 359
 360         free(pwtable);
 361 }
 362
 363
 364 char *BLI_findpwtable(struct passwd *pwtable, ushort user)
 365 {
 366         static char string[32];
 367
 368         while (pwtable->pw_name){
 369                 if (pwtable->pw_uid == user){
 370                         return (pwtable->pw_name);
 371                 }
 372                 pwtable++;
 373         }
 374         sprintf(string, "%d", user);
 375         return (string);
 376 }
 377 #endif
 378
 379
 380 void BLI_adddirstrings()
 381 {
 382         char datum[100];
 383         char buf[250];
 384         char size[250];
 385         static char * types[8] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
 386         int num, mode;
 387         int num1, num2, num3, num4, st_size;
 388 #ifndef WIN32
 389         struct passwd *pwtable;
 390 #endif
 391         struct direntry * file;
 392         struct tm *tm;
 393
 394 #ifndef WIN32
 395         BLI_buildpwtable(&pwtable);
 396 #endif
 397
 398         file = &files[0];
 399
 400         for(num=0;num<actnum;num++){
 401 #ifdef WIN32
 402                 mode = 0;
 403                 strcpy(file->mode1, types[0]);
 404                 strcpy(file->mode2, types[0]);
 405                 strcpy(file->mode3, types[0]);
 406 #else
 407                 mode = file->s.st_mode;
 408
 409                 strcpy(file->mode1, types[(mode & 0700) >> 6]);
 410                 strcpy(file->mode2, types[(mode & 0070) >> 3]);
 411                 strcpy(file->mode3, types[(mode & 0007)]);
 412
 413                 if (((mode & S_ISGID) == S_ISGID) && (file->mode2[2]=='-'))file->mode2[2]='l';
 414
 415                 if (mode & (S_ISUID | S_ISGID)){
 416                         if (file->mode1[2]=='x') file->mode1[2]='s';
 417                         else file->mode1[2]='S';
 418
 419                         if (file->mode2[2]=='x')file->mode2[2]='s';
 420                 }
 421
 422                 if (mode & S_ISVTX){
 423                         if (file->mode3[2] == 'x') file->mode3[2] = 't';
 424                         else file->mode3[2] = 'T';
 425                 }
 426 #endif
 427
 428 #ifdef WIN32
 429                 strcpy(files[num].owner,"user");
 430 #else
 431                 strcpy(files[num].owner, BLI_findpwtable(pwtable,files[num].s.st_uid));
 432 #endif
 433
 434                 tm= localtime(&files[num].s.st_mtime);
 435                 strftime(files[num].time, 8, "%H:%M", tm);
 436                 strftime(files[num].date, 16, "%d-%b-%y", tm);
 437
 438                 st_size= (int)files[num].s.st_size;
 439
 440                 num1= st_size % 1000;
 441                 num2= st_size/1000;
 442                 num2= num2 % 1000;
 443                 num3= st_size/(1000*1000);
 444                 num3= num3 % 1000;
 445                 num4= st_size/(1000*1000*1000);
 446                 num4= num4 % 1000;
 447
 448                 if(num4) sprintf(files[num].size, "%3d %03d %03d %03d", num4, num3, num2, num1);
 449                 else if(num3) sprintf(files[num].size, "%7d %03d %03d", num3, num2, num1);
 450                 else if(num2) sprintf(files[num].size, "%11d %03d", num2, num1);
 451                 else if(num1) sprintf(files[num].size, "%15d", num1);
 452                 else sprintf(files[num].size, "");
 453
 454                 strftime(datum, 32, "%d-%b-%y %R", tm);
 455
 456                 if (st_size < 1000) {
 457                         sprintf(size, "%10d", st_size);
 458                 } else if (st_size < 1000 * 1000) {
 459                         sprintf(size, "%6d %03d", st_size / 1000, st_size % 1000);
 460                 } else if (st_size < 100 * 1000 * 1000) {
 461                         sprintf(size, "%2d %03d %03d", st_size / (1000 * 1000), (st_size / 1000) % 1000, st_size % 1000);
 462                 } else {
 463                         sprintf(size, "> %4.1f M", st_size / (1024.0 * 1024.0));
 464                         sprintf(size, "%10d", st_size);
 465                 }
 466
 467                 sprintf(buf,"%s %s %10s %s", files[num].date, files[num].time, size,
 468                         files[num].relname);
 469
 470                 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,
 471                         files[num].relname);
 472
 473                 files[num].string=malloc(strlen(buf)+1);
 474                 if (files[num].string){
 475                         strcpy(files[num].string,buf);
 476                 }
 477
 478                 file++;
 479         }
 480 #ifndef WIN32
 481         BLI_freepwtable(pwtable);
 482 #endif
 483 }
 484
 485 unsigned int BLI_getdir(char *dirname,  struct direntry **filelist)
 486 {
 487         // reset global variables
 488         // memory stored in files is free()'d in
 489         // filesel.c:freefilelist()
 490
 491         actnum = totnum = 0;
 492         files = 0;
 493
 494         BLI_builddir(dirname,"");
 495         BLI_adddirstrings();
 496
 497         if (files) {
 498                 *(filelist) = files;
 499         } else {
 500                 // keep blender happy. Blender stores this in a variable
 501                 // where 0 has special meaning.....
 502                 *(filelist) = files = malloc(sizeof(struct direntry));
 503         }
 504
 505         return(actnum);
 506 }
 507
 508
 509 int BLI_filesize(int file)
 510 {
 511         struct stat buf;
 512
 513         if (file <= 0) return (-1);
 514         fstat(file, &buf);
 515         return (buf.st_size);
 516 }
 517
 518
 519
 520 int BLI_exist(char *name)
 521 {
 522         struct stat st;
 523
 524         if (stat(name,&st)) return(0);
 525         return(st.st_mode);
 526 }
 527
 528 LinkNode *BLI_read_file_as_lines(char *name)
 529 {
 530         FILE *fp= fopen(name, "r");
 531         LinkNode *lines= NULL;
 532         char *buf;
 533         int size;
 534
 535         if (!fp) return NULL;
 536
 537         fseek(fp, 0, SEEK_END);
 538         size= ftell(fp);
 539         fseek(fp, 0, SEEK_SET);
 540
 541         buf= malloc(size);
 542         if (buf) {
 543                 int i, last= 0;
 544
 545                         /*
 546                          * size = because on win32 reading
 547                          * all the bytes in the file will return
 548                          * less bytes because of crnl changes.
 549                          */
 550                 size= fread(buf, 1, size, fp);
 551                 for (i=0; i<=size; i++) {
 552                         if (i==size || buf[i]=='\n') {
 553                                 char *line= BLI_strdupn(&buf[last], i-last);
 554
 555                                 BLI_linklist_prepend(&lines, line);
 556                                 last= i+1;
 557                         }
 558                 }
 559
 560                 free(buf);
 561         }
 562
 563         fclose(fp);
 564
 565         BLI_linklist_reverse(&lines);
 566         return lines;
 567 }
 568
 569 void BLI_free_file_lines(LinkNode *lines)
 570 {
 571         BLI_linklist_free(lines, (void(*)(void*)) MEM_freeN);
 572 }