Workarounds for compiling with -D_FORTIFY_SOURCE=2 (as Ubuntu does), which

[u/mdw/putty] / unix / uxplink.c

diff --git a/unix/uxplink.c b/unix/uxplink.c
index 6d9a9b7..cbfcc71 100644 (file)
--- a/unix/uxplink.c
+++ b/unix/uxplink.c
@@ -513,7 +513,8 @@ int signalpipe[2];
 
 void sigwinch(int signum)
 {
-    write(signalpipe[1], "x", 1);
+    if (write(signalpipe[1], "x", 1) <= 0)
+       /* not much we can do about it */;
 }
 
 /*
@@ -1030,7 +1031,9 @@ int main(int argc, char **argv)
        if (FD_ISSET(signalpipe[0], &rset)) {
            char c[1];
            struct winsize size;
-           read(signalpipe[0], c, 1); /* ignore its value; it'll be `x' */
+           if (read(signalpipe[0], c, 1) <= 0)
+               /* ignore error */;
+           /* ignore its value; it'll be `x' */
            if (ioctl(0, TIOCGWINSZ, (void *)&size) >= 0)
                back->size(backhandle, size.ws_col, size.ws_row);
        }