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Diffstat (limited to 'erts/emulator/drivers/common/ram_file_drv.c')
-rw-r--r--erts/emulator/drivers/common/ram_file_drv.c82
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++) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 07:26:04 +0000