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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /erts/emulator/test/port_SUITE_data/echo_drv.c
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The R13B03 release.OTP_R13B03
Diffstat (limited to 'erts/emulator/test/port_SUITE_data/echo_drv.c')
-rw-r--r--erts/emulator/test/port_SUITE_data/echo_drv.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/erts/emulator/test/port_SUITE_data/echo_drv.c b/erts/emulator/test/port_SUITE_data/echo_drv.c
new file mode 100644
index 0000000000..25eda116fe
--- /dev/null
+++ b/erts/emulator/test/port_SUITE_data/echo_drv.c
@@ -0,0 +1,85 @@
+#include <stdio.h>
+#include "erl_driver.h"
+
+
+
+/* -------------------------------------------------------------------------
+** Data types
+**/
+
+typedef struct _erl_drv_data EchoDrvData;
+
+
+
+/* -------------------------------------------------------------------------
+** Entry struct
+**/
+
+static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command);
+static void echo_drv_stop(EchoDrvData *data_p);
+static void echo_drv_output(EchoDrvData *data_p, char *buf, int len);
+static void echo_drv_finish(void);
+static int echo_drv_control(EchoDrvData *data_p, unsigned int command,
+ char *buf, int len,
+ char **rbuf, int rlen);
+
+static ErlDrvEntry echo_drv_entry = {
+ NULL, /* init */
+ echo_drv_start,
+ echo_drv_stop,
+ echo_drv_output,
+ NULL, /* ready_input */
+ NULL, /* ready_output */
+ "echo_drv",
+ echo_drv_finish,
+ NULL, /* handle */
+ echo_drv_control,
+ NULL, /* timeout */
+ NULL, /* outputv */
+ NULL /* ready_async */
+};
+
+
+
+/* -------------------------------------------------------------------------
+** Entry functions
+**/
+
+DRIVER_INIT(echo_drv)
+{
+ return &echo_drv_entry;
+}
+
+static EchoDrvData *echo_drv_start(ErlDrvPort port, char *command) {
+ void *void_ptr;
+ int res = -4711;
+ if (command) {
+ while(*command != '\0' && *command != ' ')
+ ++command;
+ while(*command != '\0' && *command == ' ')
+ ++command;
+ if(*command == '-') {
+ res = driver_output(port, command+1, strlen(command) - 1);
+ }
+ }
+ return void_ptr = port;
+}
+
+static void echo_drv_stop(EchoDrvData *data_p) {
+}
+
+static void echo_drv_output(EchoDrvData *data_p, char *buf, int len) {
+ void *void_ptr;
+ ErlDrvPort port = void_ptr = data_p;
+
+ driver_output(port, buf, len);
+}
+
+static void echo_drv_finish() {
+}
+
+static int echo_drv_control(EchoDrvData *data_p, unsigned int command,
+ char *buf, int len,
+ char **rbuf, int rlen) {
+ return 0;
+}