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-rw-r--r--erts/emulator/beam/erl_driver.h24
-rw-r--r--erts/emulator/beam/global.h13
-rw-r--r--erts/emulator/beam/io.c19
3 files changed, 34 insertions, 22 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index 6a45fd9344..4f2abfc907 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -85,6 +85,7 @@
#include "erl_drv_nif.h"
#include <stdlib.h>
+#include <string.h> /* ssize_t on Mac OS X */
#if defined(VXWORKS)
# include <ioLib.h>
@@ -183,7 +184,13 @@ typedef long long ErlDrvSInt64;
#error No 64-bit integer type
#endif
+#if defined(__WIN32__)
+typedef ErlDrvUInt ErlDrvSizeT;
+typedef ErlDrvSInt ErlDrvSSizeT;
+#else
typedef size_t ErlDrvSizeT;
+typedef ssize_t ErlDrvSSizeT;
+#endif
/*
* A binary as seen in a driver. Note that a binary should never be
@@ -292,8 +299,8 @@ typedef struct erl_drv_entry {
void (*stop)(ErlDrvData drv_data);
/* called when port is closed, and when the
emulator is halted. */
- void (*output)(ErlDrvData drv_data, char *buf, int len);
- /* called when we have output from erlang to
+ void (*output)(ErlDrvData drv_data, char *buf, ErlDrvSizeT len);
+ /* called when we have output from erlang to
the port */
void (*ready_input)(ErlDrvData drv_data, ErlDrvEvent event);
/* called when we have input from one of
@@ -306,10 +313,10 @@ typedef struct erl_drv_entry {
void (*finish)(void); /* called before unloading the driver -
DYNAMIC DRIVERS ONLY */
void *handle; /* Reserved -- Used by emulator internally */
- int (*control)(ErlDrvData drv_data, unsigned int command, char *buf,
- int len, char **rbuf, int rlen);
- /* "ioctl" for drivers - invoked by
- port_control/3 */
+ ErlDrvSSizeT (*control)(ErlDrvData drv_data, unsigned int command,
+ char *buf, ErlDrvSizeT len, char **rbuf,
+ ErlDrvSizeT rlen); /* "ioctl" for drivers - invoked by
+ port_control/3 */
void (*timeout)(ErlDrvData drv_data); /* Handling of timeout in driver */
void (*outputv)(ErlDrvData drv_data, ErlIOVec *ev);
/* called when we have output from erlang
@@ -320,8 +327,9 @@ typedef struct erl_drv_entry {
closed, and there is data in the
driver queue that needs to be flushed
before 'stop' can be called */
- int (*call)(ErlDrvData drv_data, unsigned int command, char *buf,
- int len, char **rbuf, int rlen, unsigned int *flags);
+ int (*call)(ErlDrvData drv_data,
+ unsigned int command, char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen, unsigned int *flags);
/* Works mostly like 'control', a synchronous
call into the driver. */
void (*event)(ErlDrvData drv_data, ErlDrvEvent event,
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 71a9ac6009..3ab7d95525 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -323,12 +323,15 @@ struct erts_driver_t_ {
void (*stop)(ErlDrvData drv_data);
void (*finish)(void);
void (*flush)(ErlDrvData drv_data);
- void (*output)(ErlDrvData drv_data, char *buf, int len);
+ void (*output)(ErlDrvData drv_data, char *buf, ErlDrvSizeT len);
void (*outputv)(ErlDrvData drv_data, ErlIOVec *ev); /* Might be NULL */
- int (*control)(ErlDrvData drv_data, unsigned int command, char *buf,
- int len, char **rbuf, int rlen); /* Might be NULL */
- int (*call)(ErlDrvData drv_data, unsigned int command, char *buf,
- int len, char **rbuf, int rlen, unsigned int *flags); /* Might be NULL */
+ ErlDrvSSizeT (*control)(ErlDrvData drv_data, unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen); /* Might be NULL */
+ int (*call)(ErlDrvData drv_data, unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen, /* Might be NULL */
+ unsigned int *flags);
void (*event)(ErlDrvData drv_data, ErlDrvEvent event,
ErlDrvEventData event_data);
void (*ready_input)(ErlDrvData drv_data, ErlDrvEvent event);
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 456df45315..f5bca26586 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -828,13 +828,13 @@ io_list_to_vec(Eterm obj, /* io-list */
SysIOVec* iov, /* io vector */
ErlDrvBinary** binv, /* binary reference vector */
ErlDrvBinary* cbin, /* binary to store characters */
- int bin_limit) /* small binaries limit */
+ ErlDrvSizeT bin_limit) /* small binaries limit */
{
DECLARE_ESTACK(s);
Eterm* objp;
char *buf = cbin->orig_bytes;
- int len = cbin->orig_size;
- int csize = 0;
+ ErlDrvSizeT len = cbin->orig_size;
+ ErlDrvSizeT csize = 0;
int vlen = 0;
char* cptr = buf;
@@ -874,7 +874,7 @@ io_list_to_vec(Eterm obj, /* io-list */
Eterm real_bin;
Uint offset;
Eterm* bptr;
- int size;
+ ErlDrvSizeT size;
int bitoffs;
int bitsize;
@@ -949,7 +949,7 @@ io_list_to_vec(Eterm obj, /* io-list */
#define IO_LIST_VEC_COUNT(obj) \
do { \
- int _size = binary_size(obj); \
+ ErlDrvSizeT _size = binary_size(obj); \
Eterm _real; \
ERTS_DECLARE_DUMMY(Uint _offset); \
int _bitoffs; \
@@ -1104,7 +1104,7 @@ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list)
Uint csize;
Uint pvsize;
Uint pcsize;
- int blimit;
+ ErlDrvSizeT blimit;
SysIOVec iv[SMALL_WRITE_VEC];
ErlDrvBinary* bv[SMALL_WRITE_VEC];
SysIOVec* ivp;
@@ -2156,8 +2156,9 @@ erts_port_control(Process* p, Port* prt, Uint command, Eterm iolist)
int must_free = 0; /* True if the buffer should be freed. */
char port_result[ERL_ONHEAP_BIN_LIMIT]; /* Default buffer for result from port. */
char* port_resp; /* Pointer to result buffer. */
- int n;
- int (*control)(ErlDrvData, unsigned, char*, int, char**, int);
+ ErlDrvSSizeT n;
+ ErlDrvSSizeT (*control)
+ (ErlDrvData, unsigned, char*, ErlDrvSizeT, char**, ErlDrvSizeT);
int fpe_was_unmasked;
ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt));
@@ -4762,7 +4763,7 @@ get_current_port(void)
*/
static void
-no_output_callback(ErlDrvData drv_data, char *buf, int len)
+no_output_callback(ErlDrvData drv_data, char *buf, ErlDrvSizeT len)
{
}