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-rw-r--r--erts/etc/unix/to_erl.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/erts/etc/unix/to_erl.c b/erts/etc/unix/to_erl.c
index 886b301997..754b349338 100644
--- a/erts/etc/unix/to_erl.c
+++ b/erts/etc/unix/to_erl.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1996-2009. All Rights Reserved.
+ * Copyright Ericsson AB 1996-2012. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -125,7 +125,7 @@ static void usage(char *pname)
int main(int argc, char **argv)
{
char FIFO1[FILENAME_MAX], FIFO2[FILENAME_MAX];
- int i, len, wfd, rfd, result = 0;
+ int i, len, wfd, rfd;
fd_set readfds;
char buf[BUFSIZ];
char pipename[FILENAME_MAX];
@@ -352,7 +352,10 @@ int main(int argc, char **argv)
* to trigger the version handshaking between to_erl and run_erl
* at the start of every new to_erl-session.
*/
- write(wfd, "\022", 1);
+
+ if (write(wfd, "\022", 1) < 0) {
+ fprintf(stderr, "Error in writing ^R to FIFO.\n");
+ }
/*
* read and write
@@ -367,7 +370,6 @@ int main(int argc, char **argv)
}
else {
fprintf(stderr, "Error in select.\n");
- result = -1;
break;
}
}
@@ -398,7 +400,6 @@ int main(int argc, char **argv)
close(wfd);
if (len < 0) {
fprintf(stderr, "Error in reading from stdin.\n");
- result = -1;
} else {
fprintf(stderr, "[EOF]\n\r");
}
@@ -414,13 +415,12 @@ int main(int argc, char **argv)
if (len) {
#ifdef DEBUG
- write(1, buf, len);
+ if(write(1, buf, len));
#endif
if (write_all(wfd, buf, len) != len) {
fprintf(stderr, "Error in writing to FIFO.\n");
close(rfd);
close(wfd);
- result = -1;
break;
}
STATUS("\" OK\r\n");
@@ -447,7 +447,6 @@ int main(int argc, char **argv)
close(wfd);
if (len < 0) {
fprintf(stderr, "Error in reading from FIFO.\n");
- result = -1;
} else
fprintf(stderr, "[End]\n\r");
break;
@@ -456,7 +455,6 @@ int main(int argc, char **argv)
if ((len=version_handshake(buf,len,wfd)) < 0) {
close(rfd);
close(wfd);
- result = -1;
break;
}
if (protocol_ver >= 1) {
@@ -475,7 +473,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Error in writing to terminal.\n");
close(rfd);
close(wfd);
- result = -1;
break;
}
STATUS("\" OK\r\n");