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path: root/erts/emulator/drivers/common/efile_drv.c
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Diffstat (limited to 'erts/emulator/drivers/common/efile_drv.c')
-rw-r--r--erts/emulator/drivers/common/efile_drv.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index d9282dbb12..b132991a3b 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -241,9 +241,10 @@ typedef unsigned char uchar;
static ErlDrvData file_start(ErlDrvPort port, char* command);
static int file_init(void);
static void file_stop(ErlDrvData);
-static void file_output(ErlDrvData, char* buf, int len);
-static int file_control(ErlDrvData, unsigned int command,
- char* buf, int len, char **rbuf, int rlen);
+static void file_output(ErlDrvData, char* buf, ErlDrvSizeT len);
+static ErlDrvSSizeT file_control(ErlDrvData, unsigned int command,
+ char* buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen);
static void file_timeout(ErlDrvData);
static void file_outputv(ErlDrvData, ErlIOVec*);
static void file_async_ready(ErlDrvData, ErlDrvThreadData);
@@ -1083,7 +1084,7 @@ static void invoke_read_line(void *data)
d->c.read_line.read_offset - d->c.read_line.read_size;
if (size == 0) {
/* Need more place */
- size_t need = (d->c.read_line.read_size >= DEFAULT_LINEBUF_SIZE) ?
+ ErlDrvSizeT need = (d->c.read_line.read_size >= DEFAULT_LINEBUF_SIZE) ?
d->c.read_line.read_size + DEFAULT_LINEBUF_SIZE : DEFAULT_LINEBUF_SIZE;
ErlDrvBinary *newbin = driver_alloc_binary(need);
if (newbin == NULL) {
@@ -2291,7 +2292,7 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
* Driver entry point -> output
*/
static void
-file_output(ErlDrvData e, char* buf, int count)
+file_output(ErlDrvData e, char* buf, ErlDrvSizeT count)
{
file_descriptor* desc = (file_descriptor*)e;
Efile_error errInfo; /* The error codes for the last operation. */
@@ -2668,9 +2669,9 @@ file_flush(ErlDrvData e) {
/*********************************************************************
* Driver entry point -> control
*/
-static int
+static ErlDrvSSizeT
file_control(ErlDrvData e, unsigned int command,
- char* buf, int len, char **rbuf, int rlen) {
+ char* buf, ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen) {
/*
* warning: variable ‘desc’ set but not used
* [-Wunused-but-set-variable]
@@ -2971,8 +2972,8 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
cq_enq(desc, d);
} goto done;
case FILE_WRITE: {
- int skip = 1;
- int size = ev->size - skip;
+ ErlDrvSizeT skip = 1;
+ ErlDrvSizeT size = ev->size - skip;
if (lseek_flush_read(desc, &err) < 0) {
reply_posix_error(desc, err);
goto done;
@@ -2981,7 +2982,7 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
reply_posix_error(desc, EBADF);
goto done;
}
- if (size <= 0) {
+ if (size == 0) {
reply_Uint(desc, size);
goto done;
}
@@ -3095,7 +3096,7 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) {
EF_FREE(d);
reply_Uint(desc, 0);
} else {
- size_t skip = 1 + 4 + 8*(2*n);
+ ErlDrvSizeT skip = 1 + 4 + 8*(2*n);
if (skip + total != ev->size) {
/* Actual amount of data does not match
* total of all pos/size specs