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Overview
Comment:Fix a serious memory leak in the "read" logic of the Fuse Filesystem.
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 7a7ef00b3500bb9b666addb9581322756be40d83
User & Date: drh 2014-06-14 14:31:34.200
Context
2014-06-14
16:19
Fix another memory leak in the "fossil fusefs" command. ... (check-in: 6b15019765 user: drh tags: trunk)
14:31
Fix a serious memory leak in the "read" logic of the Fuse Filesystem. ... (check-in: 7a7ef00b35 user: drh tags: trunk)
14:15
Minor performance optimizations on fusefs. ... (check-in: bd4565e9d0 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/fusefs.c.
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  if( fusefs.pFile!=0 && strcmp(fusefs.az[2], fusefs.pFile->zName)!=0 ){
    fusefs.pFile = 0;
    blob_reset(&fusefs.content);
  }
  fusefs.pFile = manifest_file_seek(fusefs.pMan, fusefs.az[2], 0);
  if( fusefs.pFile==0 ) return -ENOENT;
  rid = uuid_to_rid(fusefs.pFile->zUuid, 0);

  content_get(rid, &fusefs.content);
  if( offset>blob_size(&fusefs.content) ) return 0;
  if( offset+size>blob_size(&fusefs.content) ){
    size = blob_size(&fusefs.content) - offset;
  }
  memcpy(buf, blob_buffer(&fusefs.content)+offset, size);
  return size;







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  if( fusefs.pFile!=0 && strcmp(fusefs.az[2], fusefs.pFile->zName)!=0 ){
    fusefs.pFile = 0;
    blob_reset(&fusefs.content);
  }
  fusefs.pFile = manifest_file_seek(fusefs.pMan, fusefs.az[2], 0);
  if( fusefs.pFile==0 ) return -ENOENT;
  rid = uuid_to_rid(fusefs.pFile->zUuid, 0);
  blob_reset(&fusefs.content);
  content_get(rid, &fusefs.content);
  if( offset>blob_size(&fusefs.content) ) return 0;
  if( offset+size>blob_size(&fusefs.content) ){
    size = blob_size(&fusefs.content) - offset;
  }
  memcpy(buf, blob_buffer(&fusefs.content)+offset, size);
  return size;
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*/
void fusefs_cmd(void){
#ifndef FOSSIL_HAVE_FUSEFS
  fossil_fatal("this build of fossil does not support the fuse filesystem");
#else
  char *zMountPoint;
  char *azNewArgv[5];

  int doDebug = find_option("debug","d",0)!=0;

  db_find_and_open_repository(0,0);
  verify_all_options();
  blob_init(&fusefs.content, 0, 0);
  if( g.argc!=3 ) usage("DIRECTORY");
  zMountPoint = g.argv[2];
  if( file_mkdir(zMountPoint, 0) ){
    fossil_fatal("cannot make directory [%s]", zMountPoint);
  }
  azNewArgv[0] = g.argv[0];
  azNewArgv[1] = doDebug ? "-d" : "-f";
  azNewArgv[2] = "-s";
  azNewArgv[3] = zMountPoint;
  azNewArgv[4] = 0;
  g.localOpen = 0;   /* Prevent tags like "current" and "prev" */
  fuse_main(4, azNewArgv, &fusefs_methods, NULL);




#endif
}







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*/
void fusefs_cmd(void){
#ifndef FOSSIL_HAVE_FUSEFS
  fossil_fatal("this build of fossil does not support the fuse filesystem");
#else
  char *zMountPoint;
  char *azNewArgv[5];
  int i;
  int doDebug = find_option("debug","d",0)!=0;

  db_find_and_open_repository(0,0);
  verify_all_options();
  blob_init(&fusefs.content, 0, 0);
  if( g.argc!=3 ) usage("DIRECTORY");
  zMountPoint = g.argv[2];
  if( file_mkdir(zMountPoint, 0) ){
    fossil_fatal("cannot make directory [%s]", zMountPoint);
  }
  azNewArgv[0] = g.argv[0];
  azNewArgv[1] = doDebug ? "-d" : "-f";
  azNewArgv[2] = "-s";
  azNewArgv[3] = zMountPoint;
  azNewArgv[4] = 0;
  g.localOpen = 0;   /* Prevent tags like "current" and "prev" */
  fuse_main(4, azNewArgv, &fusefs_methods, NULL);
  manifest_destroy(fusefs.pMan);
  blob_reset(&fusefs.content);
  for(i=0; i<count(fusefs.az); i++) fossil_free(fusefs.az[i]);
  memset(&fusefs, 0, sizeof(fusefs));
#endif
}