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# This patch adds an output error check when
# the E option is set.
# This patch also modifies the man page to explain why
# the output error checking is not done when E is not set.
--- a/par.1
+++ b/par.1
@@ -1178,14 +1178,18 @@
error messages begin with \*Qpar\ error:\*U on a line
by itself. Error messages concerning command line
or environment variable syntax are accompanied by
the same usage message that the help option produces.
.LP
-Of course, trying to print an error message would be
+Unless the option
+.BI E
+is set, trying to print an error message would be
futile if an error resulted from an output function, so
.B par
-doesn't bother doing any error checking on output functions.
+doesn't bother doing any error checking on output functions if
+.BI E
+is 0.
.SH EXAMPLES
.de VS
.RS -.5i
.LP
.nf
--- a/par.c
+++ b/par.c
@@ -18,10 +18,11 @@
#include <locale.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
#undef NULL
#define NULL ((void *) 0)
#ifdef DONTFREE
@@ -933,10 +934,15 @@
if (parinit) free(parinit);
if (inlines) freelines(inlines);
if (props) free(props);
if (outlines) freelines(outlines);
+ if (Err == 1) {
+ if ( fclose(stdout) == EOF )
+ sprintf(errmsg,"%.*s\n",errmsg_size,strerror(errno));
+ }
+
errout = Err ? stderr : stdout;
if (*errmsg) fprintf(errout, "par error:\n%.*s", errmsg_size, errmsg);
if (version) fputs("par 1.53.0\n",errout);
if (help) fputs(usagemsg,errout);
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