erl_driver.h: Enlarge type on return value from call

3 files changed, 15 insertions, 14 deletions

diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index 1f6b62817d..cd423eb200 100644
--- a/erts/emulator/beam/erl_bif_port.c
+++ b/erts/emulator/beam/erl_bif_port.c
@@ -254,13 +254,13 @@ port_call(Process* c_p, Eterm arg1, Eterm arg2, Eterm arg3)
     Uint size;
     byte *bytes;
     byte *endp;
-    size_t real_size;
+    ErlDrvSizeT real_size;
     erts_driver_t *drv;
     byte port_input[256];	/* Default input buffer to encode in */
     byte port_result[256];	/* Buffer for result from port. */
     byte* port_resp;		/* Pointer to result buffer. */
     char *prc;
-    int ret;
+    ErlDrvSSizeT ret;
     Eterm res;
     Sint result_size;
     Eterm *hp;
@@ -366,9 +366,9 @@ port_call(Process* c_p, Eterm arg1, Eterm arg2, Eterm arg3)
     erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_MAIN);
 #ifdef HARDDEBUG
     { 
-	int z;
-	printf("real_size = %ld,%d, ret = %d\r\n",real_size, 
-	       (int) real_size, ret);
+	ErlDrvSizeT z;
+	printf("real_size = %ld,%d, ret = %ld,%d\r\n", (unsigned long) real_size,
+	       (int) real_size, (unsigned long)ret, (int) ret);
 	printf("[");
 	for(z = 0; z < real_size; ++z) {
 	    printf("%d, ",(int) bytes[z]);
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index 4f2abfc907..d553622bfe 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -327,11 +327,12 @@ 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, ErlDrvSizeT len,
-		char **rbuf, ErlDrvSizeT rlen, unsigned int *flags);
-                                /* Works mostly like 'control', a synchronous
-				   call into the driver. */
+    ErlDrvSSizeT (*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,
 		  ErlDrvEventData event_data);
                                 /* Called when an event selected by 
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 3ab7d95525..f1335f600d 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -328,10 +328,10 @@ struct erts_driver_t_ {
     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);
+    ErlDrvSSizeT (*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);