[emacs 21.2] yow.c might loop endlessly on malformed yow.lines

[Philipp Rumpf]

I'm not sure this is worth fixing, but as of version 21.2 we seem to try
to install the yow executable so it probably shouldn't be buggy.


diff -ur emacs-21.2/lib-src/yow.c emacs-21.2-mod/lib-src/yow.c
--- emacs-21.2/lib-src/yow.c    Fri Feb 26 12:37:05 1999
+++ emacs-21.2-mod/lib-src/yow.c        Wed Sep 25 22:54:51 2002
@@ -86,7 +86,7 @@
   /* Because the header (stuff before the first SEP) can be very long,
    * thus biasing our search in favor of the first quotation in the file,
    * we explicitly skip that. */
-  while ((c = getc(fp)) != SEP) {
+  while ((c = getc(fp)) != SEP && c != EOF) {
     if (c == EOF) {
       fprintf(stderr, "yow: file contains no separators\n");
       exit(2);
@@ -123,7 +123,7 @@
   /* Read until SEP, read next line, print it.
      (Note that we will never print anything before the first separator.)
      If we hit EOF looking for the first SEP, just recurse. */
-  while ((c = getc(fp)) != SEP)
+  while ((c = getc(fp)) != SEP && c != EOF)
     if (c == EOF) {
       yow(fp);
       return;