diff options
Diffstat (limited to 'erts/emulator/beam/erl_driver.h')
| -rw-r--r-- | erts/emulator/beam/erl_driver.h | 24 |
1 files changed, 16 insertions, 8 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, |