//Open a file for reading, set up a buffer
PHYSFS_file *PHYSFSX_openReadBuffered(const char *filename)
{
PHYSFS_file *fp;
PHYSFS_uint64 bufSize;
char filename2[PATH_MAX];
if (filename[0] == '\x01')
{
//FIXME: don't look in dir, only in hogfile
filename++;
}
snprintf(filename2, sizeof(filename2), "%s", filename);
PHYSFSEXT_locateCorrectCase(filename2);
fp = PHYSFS_openRead(filename2);
if (!fp)
return NULL;
bufSize = PHYSFS_fileLength(fp);
while (!PHYSFS_setBuffer(fp, bufSize) && bufSize)
bufSize /= 2; // even if the error isn't memory full, for a 20MB file it'll only do this 8 times
return fp;
}
fs_file fs_open(const char *path, const char *mode)
{
fs_file fh;
assert((mode[0] == 'r' && !mode[1]) ||
(mode[0] == 'w' && (!mode[1] || mode[1] == '+')));
if ((fh = malloc(sizeof (*fh))))
{
switch (mode[0])
{
case 'r':
fh->handle = PHYSFS_openRead(path);
break;
case 'w':
fh->handle = (mode[1] == '+' ?
PHYSFS_openAppend(path) :
PHYSFS_openWrite(path));
break;
}
if (fh->handle)
{
PHYSFS_setBuffer(fh->handle, 0x2000);
}
else
{
free(fh);
fh = NULL;
}
}
return fh;
}
static int cmd_cat(char *args)
{
PHYSFS_File *f;
if (*args == '\"')
{
args++;
args[strlen(args) - 1] = '\0';
} /* if */
f = PHYSFS_openRead(args);
if (f == NULL)
printf("failed to open. Reason: [%s].\n", PHYSFS_getLastError());
else
{
if (do_buffer_size)
{
if (!PHYSFS_setBuffer(f, do_buffer_size))
{
printf("failed to set file buffer. Reason: [%s].\n",
PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
while (1)
{
char buffer[128];
PHYSFS_sint64 rc;
PHYSFS_sint64 i;
rc = PHYSFS_read(f, buffer, 1, sizeof (buffer));
for (i = 0; i < rc; i++)
fputc((int) buffer[i], stdout);
if (rc < (int)sizeof (buffer))
{
printf("\n\n");
if (!PHYSFS_eof(f))
{
printf("\n (Error condition in reading. Reason: [%s])\n\n",
PHYSFS_getLastError());
} /* if */
PHYSFS_close(f);
return(1);
} /* if */
} /* while */
} /* else */
return(1);
} /* cmd_cat */
/**Sets the internal buffer for read/write operations.
* \return Nonzero on success */
int File::SetBuffer( int bufSize ){
#ifdef USE_PHYSICSFS
if ( PHYSFS_setBuffer( fp, bufSize ) == 0 ){
LogMsg(ERR,"Could not create internal buffer for file: %s.\n%s",
validName.c_str(),PHYSFS_getLastError());
PHYSFS_close( fp );
return 0;
}
return 1;
#else
return 0; // No idea how this works??? ~ Matt Zweig
#endif
}
bool File::setBuffer(BufferMode bufmode, int64 size)
{
// No negativity allowed!
if (size < 0)
return false;
// If the file isn't open, we'll make sure the buffer values are set in
// File::open.
if (file == 0 || mode == CLOSED)
{
bufferMode = bufmode;
bufferSize = size;
return true;
}
int ret = 1;
switch (bufmode)
{
case BUFFER_NONE:
default:
ret = PHYSFS_setBuffer(file, 0);
size = 0;
break;
case BUFFER_LINE:
case BUFFER_FULL:
ret = PHYSFS_setBuffer(file, size);
break;
}
if (ret == 0)
return false;
bufferMode = bufmode;
bufferSize = size;
return true;
}
//Open a file for writing, set up a buffer
PHYSFS_file *PHYSFSX_openWriteBuffered(const char *filename)
{
PHYSFS_file *fp;
PHYSFS_uint64 bufSize = 1024*1024; // hmm, seems like an OK size.
fp = PHYSFS_openWrite(filename);
if (!fp)
return NULL;
while (!PHYSFS_setBuffer(fp, bufSize) && bufSize)
bufSize /= 2;
return fp;
}
static int cmd_write(char *args)
{
PHYSFS_File *f;
if (*args == '\"')
{
args++;
args[strlen(args) - 1] = '\0';
} /* if */
f = PHYSFS_openWrite(args);
if (f == NULL)
printf("failed to open. Reason: [%s].\n", PHYSFS_getLastError());
else
{
size_t bw;
PHYSFS_sint64 rc;
if (do_buffer_size)
{
if (!PHYSFS_setBuffer(f, do_buffer_size))
{
printf("failed to set file buffer. Reason: [%s].\n",
PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
bw = strlen(WRITESTR);
rc = PHYSFS_write(f, WRITESTR, 1, bw);
if (rc != (int)bw)
{
printf("Wrote (%d) of (%d) bytes. Reason: [%s].\n",
(int) rc, (int) bw, PHYSFS_getLastError());
} /* if */
else
{
printf("Successful.\n");
} /* else */
PHYSFS_close(f);
} /* else */
return(1);
} /* cmd_write */
static int cmd_stressbuffer(char *args)
{
int num;
if (*args == '\"')
{
args++;
args[strlen(args) - 1] = '\0';
} /* if */
num = atoi(args);
if (num < 0)
printf("buffer must be greater than or equal to zero.\n");
else
{
PHYSFS_File *f;
int rndnum;
printf("Stress testing with (%d) byte buffer...\n", num);
f = PHYSFS_openWrite("test.txt");
if (f == NULL)
printf("Couldn't open test.txt for writing: %s.\n", PHYSFS_getLastError());
else
{
int i, j;
char buf[37];
char buf2[37];
if (!PHYSFS_setBuffer(f, num))
{
printf("PHYSFS_setBuffer() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
PHYSFS_delete("test.txt");
return(1);
} /* if */
strcpy(buf, "abcdefghijklmnopqrstuvwxyz0123456789");
srand((unsigned int) time(NULL));
for (i = 0; i < 10; i++)
{
for (j = 0; j < 10000; j++)
{
PHYSFS_uint32 right = 1 + (PHYSFS_uint32) (35.0 * rand() / (RAND_MAX + 1.0));
PHYSFS_uint32 left = 36 - right;
if (PHYSFS_write(f, buf, left, 1) != 1)
{
printf("PHYSFS_write() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
rndnum = 1 + (int) (1000.0 * rand() / (RAND_MAX + 1.0));
if (rndnum == 42)
{
if (!PHYSFS_flush(f))
{
printf("PHYSFS_flush() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
if (PHYSFS_write(f, buf + left, 1, right) != right)
{
printf("PHYSFS_write() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
rndnum = 1 + (int) (1000.0 * rand() / (RAND_MAX + 1.0));
if (rndnum == 42)
{
if (!PHYSFS_flush(f))
{
printf("PHYSFS_flush() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
} /* for */
if (!PHYSFS_flush(f))
{
printf("PHYSFS_flush() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* for */
if (!PHYSFS_close(f))
{
printf("PHYSFS_close() failed: %s.\n", PHYSFS_getLastError());
return(1); /* oh well. */
} /* if */
printf(" ... test file written ...\n");
f = PHYSFS_openRead("test.txt");
if (f == NULL)
{
printf("Failed to reopen stress file for reading: %s.\n", PHYSFS_getLastError());
return(1);
} /* if */
if (!PHYSFS_setBuffer(f, num))
{
printf("PHYSFS_setBuffer() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
for (i = 0; i < 10; i++)
{
for (j = 0; j < 10000; j++)
{
PHYSFS_uint32 right = 1 + (PHYSFS_uint32) (35.0 * rand() / (RAND_MAX + 1.0));
PHYSFS_uint32 left = 36 - right;
if (PHYSFS_read(f, buf2, left, 1) != 1)
{
printf("PHYSFS_read() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
rndnum = 1 + (int) (1000.0 * rand() / (RAND_MAX + 1.0));
if (rndnum == 42)
{
if (!PHYSFS_flush(f))
{
printf("PHYSFS_flush() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
if (PHYSFS_read(f, buf2 + left, 1, right) != right)
{
printf("PHYSFS_read() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
rndnum = 1 + (int) (1000.0 * rand() / (RAND_MAX + 1.0));
if (rndnum == 42)
{
if (!PHYSFS_flush(f))
{
printf("PHYSFS_flush() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* if */
if (memcmp(buf, buf2, 36) != 0)
{
printf("readback is mismatched on iterations (%d, %d).\n", i, j);
printf("wanted: [");
for (i = 0; i < 36; i++)
printf("%c", buf[i]);
printf("]\n");
printf(" got: [");
for (i = 0; i < 36; i++)
printf("%c", buf2[i]);
printf("]\n");
PHYSFS_close(f);
return(1);
} /* if */
} /* for */
if (!PHYSFS_flush(f))
{
printf("PHYSFS_flush() failed: %s.\n", PHYSFS_getLastError());
PHYSFS_close(f);
return(1);
} /* if */
} /* for */
printf(" ... test file read ...\n");
if (!PHYSFS_eof(f))
printf("PHYSFS_eof() returned true! That's wrong.\n");
if (!PHYSFS_close(f))
{
printf("PHYSFS_close() failed: %s.\n", PHYSFS_getLastError());
return(1); /* oh well. */
} /* if */
PHYSFS_delete("test.txt");
printf("stress test completed successfully.\n");
} /* else */
} /* else */
return(1);
} /* cmd_stressbuffer */
void File::setBuffer(uint64_t bufsize)
{
if(!PHYSFS_setBuffer(file, bufsize))
throw Exception("couldn't adjust buffer size: %s",
PHYSFS_getLastError());
}
