diff options
Diffstat (limited to 'erts/emulator/drivers/common/ram_file_drv.c')
-rw-r--r-- | erts/emulator/drivers/common/ram_file_drv.c | 82 |
1 files changed, 50 insertions, 32 deletions
diff --git a/erts/emulator/drivers/common/ram_file_drv.c b/erts/emulator/drivers/common/ram_file_drv.c index abedcc933a..a109e40333 100644 --- a/erts/emulator/drivers/common/ram_file_drv.c +++ b/erts/emulator/drivers/common/ram_file_drv.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1997-2010. All Rights Reserved. + * Copyright Ericsson AB 1997-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -98,7 +98,7 @@ typedef unsigned char uchar; static ErlDrvData rfile_start(ErlDrvPort, char*); static int rfile_init(void); static void rfile_stop(ErlDrvData); -static void rfile_command(ErlDrvData, char*, int); +static void rfile_command(ErlDrvData, char*, ErlDrvSizeT); struct erl_drv_entry ram_file_driver_entry = { @@ -108,7 +108,23 @@ struct erl_drv_entry ram_file_driver_entry = { rfile_command, NULL, NULL, - "ram_file_drv" + "ram_file_drv", + NULL, + NULL, /* handle */ + NULL, /* control */ + NULL, /* timeout */ + NULL, /* outputv */ + NULL, /* ready_async */ + NULL, /* flush */ + NULL, /* call */ + NULL, /* event */ + ERL_DRV_EXTENDED_MARKER, + ERL_DRV_EXTENDED_MAJOR_VERSION, + ERL_DRV_EXTENDED_MINOR_VERSION, + 0, + NULL, + NULL, + NULL, }; /* A File is represented as a array of bytes, this array is @@ -121,9 +137,9 @@ typedef struct ram_file { int flags; /* flags read/write */ ErlDrvBinary* bin; /* binary to hold binary file */ char* buf; /* buffer start (in binary) */ - int size; /* buffer size (allocated) */ - int cur; /* current position in buffer */ - int end; /* end position in buffer */ + ErlDrvSSizeT size; /* buffer size (allocated) */ + ErlDrvSSizeT cur; /* current position in buffer */ + ErlDrvSSizeT end; /* end position in buffer */ } RamFile; #ifdef LOADABLE @@ -211,7 +227,7 @@ static int reply(RamFile *f, int ok, int err) return 0; } -static int numeric_reply(RamFile *f, int result) +static int numeric_reply(RamFile *f, ErlDrvSSizeT result) { char tmp[5]; @@ -231,7 +247,8 @@ static int numeric_reply(RamFile *f, int result) /* install bin as the new binary reset all pointer */ -static void ram_file_set(RamFile *f, ErlDrvBinary *bin, int bsize, int len) +static void ram_file_set(RamFile *f, ErlDrvBinary *bin, + ErlDrvSSizeT bsize, ErlDrvSSizeT len) { f->size = bsize; f->buf = bin->orig_bytes; @@ -240,9 +257,9 @@ static void ram_file_set(RamFile *f, ErlDrvBinary *bin, int bsize, int len) f->bin = bin; } -static int ram_file_init(RamFile *f, char *buf, int count, int *error) +static int ram_file_init(RamFile *f, char *buf, ErlDrvSSizeT count, int *error) { - int bsize; + ErlDrvSSizeT bsize; ErlDrvBinary* bin; if (count < 0) { @@ -268,9 +285,9 @@ static int ram_file_init(RamFile *f, char *buf, int count, int *error) return count; } -static int ram_file_expand(RamFile *f, int size, int *error) +static ErlDrvSSizeT ram_file_expand(RamFile *f, ErlDrvSSizeT size, int *error) { - int bsize; + ErlDrvSSizeT bsize; ErlDrvBinary* bin; if (size < 0) { @@ -298,10 +315,10 @@ static int ram_file_expand(RamFile *f, int size, int *error) } -static int ram_file_write(RamFile *f, char *buf, int len, - int *location, int *error) +static ErlDrvSSizeT ram_file_write(RamFile *f, char *buf, ErlDrvSSizeT len, + ErlDrvSSizeT *location, int *error) { - int cur = f->cur; + ErlDrvSSizeT cur = f->cur; if (!(f->flags & RAM_FILE_MODE_WRITE)) { *error = EBADF; @@ -322,11 +339,11 @@ static int ram_file_write(RamFile *f, char *buf, int len, return len; } -static int ram_file_read(RamFile *f, int len, ErlDrvBinary **bp, - int *location, int *error) +static ErlDrvSSizeT ram_file_read(RamFile *f, ErlDrvSSizeT len, ErlDrvBinary **bp, + ErlDrvSSizeT *location, int *error) { ErlDrvBinary* bin; - int cur = f->cur; + ErlDrvSSizeT cur = f->cur; if (!(f->flags & RAM_FILE_MODE_READ)) { *error = EBADF; @@ -352,9 +369,10 @@ static int ram_file_read(RamFile *f, int len, ErlDrvBinary **bp, return len; } -static int ram_file_seek(RamFile *f, int offset, int whence, int *error) +static ErlDrvSSizeT ram_file_seek(RamFile *f, ErlDrvSSizeT offset, int whence, + int *error) { - int pos; + ErlDrvSSizeT pos; if (f->flags == 0) { *error = EBADF; @@ -389,13 +407,13 @@ static int ram_file_seek(RamFile *f, int offset, int whence, int *error) static int ram_file_uuencode(RamFile *f) { - int code_len = UULINE(UNIX_LINE); - int len = f->end; - int usize = 4*((len+2)/3) + 2*((len+code_len-1)/code_len) + 2; + ErlDrvSSizeT code_len = UULINE(UNIX_LINE); + ErlDrvSSizeT len = f->end; + ErlDrvSSizeT usize = 4*((len+2)/3) + 2*((len+code_len-1)/code_len) + 2; ErlDrvBinary* bin; uchar* inp; uchar* outp; - int count = 0; + ErlDrvSSizeT count = 0; if ((bin = driver_alloc_binary(usize)) == NULL) return error_reply(f, ENOMEM); @@ -447,8 +465,8 @@ static int ram_file_uuencode(RamFile *f) static int ram_file_uudecode(RamFile *f) { - int len = f->end; - int usize = ( (len+3) / 4 ) * 3; + ErlDrvSSizeT len = f->end; + ErlDrvSSizeT usize = ( (len+3) / 4 ) * 3; ErlDrvBinary* bin; uchar* inp; uchar* outp; @@ -510,7 +528,7 @@ static int ram_file_uudecode(RamFile *f) static int ram_file_compress(RamFile *f) { - int size = f->end; + ErlDrvSSizeT size = f->end; ErlDrvBinary* bin; if ((bin = erts_gzdeflate_buffer(f->buf, size)) == NULL) { @@ -528,7 +546,7 @@ static int ram_file_compress(RamFile *f) static int ram_file_uncompress(RamFile *f) { - int size = f->end; + ErlDrvSSizeT size = f->end; ErlDrvBinary* bin; if ((bin = erts_gzinflate_buffer(f->buf, size)) == NULL) { @@ -541,15 +559,15 @@ static int ram_file_uncompress(RamFile *f) } -static void rfile_command(ErlDrvData e, char* buf, int count) +static void rfile_command(ErlDrvData e, char* buf, ErlDrvSizeT count) { RamFile* f = (RamFile*)e; int error = 0; ErlDrvBinary* bin; char header[5]; /* result code + count */ - int offset; - int origin; /* Origin of seek. */ - int n; + ErlDrvSSizeT offset; + ErlDrvSSizeT origin; /* Origin of seek. */ + ErlDrvSSizeT n; count--; switch(*(uchar*)buf++) { |