Differences From Artifact [e79fccbe92]:

• File src/file.c — part of check-in [6823912746] at 2012-06-27 12:30:48 on branch sqlite4 — Begin a branch that is modified to use sqlite4 instead of sqlite3 as the storage engine. This check-in compiles (on unix) but does not work. (user: drh size: 28075)

To Artifact [5ac43b076d]:

• File src/file.c — part of check-in [0328d68181] at 2012-06-29 15:59:54 on branch sqlite4 — Update to the latest SQLite4 that requires converting preprocessor macro prefixes from "SQLITE_" to "SQLITE4_". (user: drh size: 28076)

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    if( azDirs[i]==0 ) continue;
    if( !file_isdir(azDirs[i]) ) continue;
    zDir = azDirs[i];
    break;
  }

  /* Check that the output buffer is large enough for the temporary file 
  ** name. If it is not, return SQLITE_ERROR.
  ** name. If it is not, return SQLITE4_ERROR.
  */
  if( (strlen(zDir) + 17) >= (size_t)nBuf ){
    fossil_fatal("insufficient space for temporary filename");
  }

  do{
    if( cnt++>20 ) fossil_panic("cannot generate a temporary filename");