diff options
Diffstat (limited to 'deps/mysqllite/mysys/my_fstream.c')
| -rw-r--r-- | deps/mysqllite/mysys/my_fstream.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/deps/mysqllite/mysys/my_fstream.c b/deps/mysqllite/mysys/my_fstream.c deleted file mode 100644 index 83cb0d261c..0000000000 --- a/deps/mysqllite/mysys/my_fstream.c +++ /dev/null @@ -1,194 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -/* USE_MY_STREAM isn't set because we can't thrust my_fclose! */ - -#include "mysys_priv.h" -#include "mysys_err.h" -#include <errno.h> -#include <stdio.h> - -#ifdef HAVE_FSEEKO -#undef ftell -#undef fseek -#define ftell(A) ftello(A) -#define fseek(A,B,C) fseeko((A),(B),(C)) -#endif - -/* - Read a chunk of bytes from a FILE - - SYNOPSIS - my_fread() - stream File descriptor - Buffer Buffer to read to - Count Number of bytes to read - MyFlags Flags on what to do on error - - RETURN - (size_t) -1 Error - # Number of bytes read - */ - -size_t my_fread(FILE *stream, uchar *Buffer, size_t Count, myf MyFlags) -{ - size_t readbytes; - DBUG_ENTER("my_fread"); - DBUG_PRINT("my",("stream: 0x%lx Buffer: 0x%lx Count: %u MyFlags: %d", - (long) stream, (long) Buffer, (uint) Count, MyFlags)); - - if ((readbytes= fread(Buffer, sizeof(char), Count, stream)) != Count) - { - DBUG_PRINT("error",("Read only %d bytes", (int) readbytes)); - if (MyFlags & (MY_WME | MY_FAE | MY_FNABP)) - { - if (ferror(stream)) - my_error(EE_READ, MYF(ME_BELL+ME_WAITTANG), - my_filename(my_fileno(stream)),errno); - else - if (MyFlags & (MY_NABP | MY_FNABP)) - my_error(EE_EOFERR, MYF(ME_BELL+ME_WAITTANG), - my_filename(my_fileno(stream)),errno); - } - my_errno=errno ? errno : -1; - if (ferror(stream) || MyFlags & (MY_NABP | MY_FNABP)) - DBUG_RETURN((size_t) -1); /* Return with error */ - } - if (MyFlags & (MY_NABP | MY_FNABP)) - DBUG_RETURN(0); /* Read ok */ - DBUG_RETURN(readbytes); -} /* my_fread */ - - -/* - Write a chunk of bytes to a stream - - my_fwrite() - stream File descriptor - Buffer Buffer to write from - Count Number of bytes to write - MyFlags Flags on what to do on error - - RETURN - (size_t) -1 Error - # Number of bytes written -*/ - -size_t my_fwrite(FILE *stream, const uchar *Buffer, size_t Count, myf MyFlags) -{ - size_t writtenbytes =0; - my_off_t seekptr; -#if !defined(NO_BACKGROUND) && defined(USE_MY_STREAM) - uint errors; -#endif - DBUG_ENTER("my_fwrite"); - DBUG_PRINT("my",("stream: 0x%lx Buffer: 0x%lx Count: %u MyFlags: %d", - (long) stream, (long) Buffer, (uint) Count, MyFlags)); - -#if !defined(NO_BACKGROUND) && defined(USE_MY_STREAM) - errors=0; -#endif - seekptr= ftell(stream); - for (;;) - { - size_t written; - if ((written = (size_t) fwrite((char*) Buffer,sizeof(char), - Count, stream)) != Count) - { - DBUG_PRINT("error",("Write only %d bytes", (int) writtenbytes)); - my_errno=errno; - if (written != (size_t) -1) - { - seekptr+=written; - Buffer+=written; - writtenbytes+=written; - Count-=written; - } -#ifdef EINTR - if (errno == EINTR) - { - (void) my_fseek(stream,seekptr,MY_SEEK_SET,MYF(0)); - continue; - } -#endif -#if !defined(NO_BACKGROUND) && defined(USE_MY_STREAM) - if (my_thread_var->abort) - MyFlags&= ~ MY_WAIT_IF_FULL; /* End if aborted by user */ - - if ((errno == ENOSPC || errno == EDQUOT) && - (MyFlags & MY_WAIT_IF_FULL)) - { - wait_for_free_space("[stream]", errors); - errors++; - (void) my_fseek(stream,seekptr,MY_SEEK_SET,MYF(0)); - continue; - } -#endif - if (ferror(stream) || (MyFlags & (MY_NABP | MY_FNABP))) - { - if (MyFlags & (MY_WME | MY_FAE | MY_FNABP)) - { - my_error(EE_WRITE, MYF(ME_BELL+ME_WAITTANG), - my_filename(my_fileno(stream)),errno); - } - writtenbytes= (size_t) -1; /* Return that we got error */ - break; - } - } - if (MyFlags & (MY_NABP | MY_FNABP)) - writtenbytes= 0; /* Everything OK */ - else - writtenbytes+= written; - break; - } - DBUG_RETURN(writtenbytes); -} /* my_fwrite */ - - -/* Seek to position in file */ - -my_off_t my_fseek(FILE *stream, my_off_t pos, int whence, - myf MyFlags __attribute__((unused))) -{ - DBUG_ENTER("my_fseek"); - DBUG_PRINT("my",("stream: 0x%lx pos: %lu whence: %d MyFlags: %d", - (long) stream, (long) pos, whence, MyFlags)); - DBUG_RETURN(fseek(stream, (off_t) pos, whence) ? - MY_FILEPOS_ERROR : (my_off_t) ftell(stream)); -} /* my_seek */ - - -/* Tell current position of file */ - -my_off_t my_ftell(FILE *stream, myf MyFlags __attribute__((unused))) -{ - off_t pos; - DBUG_ENTER("my_ftell"); - DBUG_PRINT("my",("stream: 0x%lx MyFlags: %d", (long) stream, MyFlags)); - pos=ftell(stream); - DBUG_PRINT("exit",("ftell: %lu",(ulong) pos)); - DBUG_RETURN((my_off_t) pos); -} /* my_ftell */ - - -/* Get a File corresponding to the stream*/ -int my_fileno(FILE *f) -{ -#ifdef _WIN32 - return my_win_fileno(f); -#else - return fileno(f); -#endif -} |