bind/bind93-rh490837.patch
2020-03-27 10:53:44 +01:00

79 lines
2.0 KiB
Diff

diff --git a/lib/isc/include/isc/stdio.h b/lib/isc/include/isc/stdio.h
index 1f44b5a..a3625f9 100644
--- a/lib/isc/include/isc/stdio.h
+++ b/lib/isc/include/isc/stdio.h
@@ -69,6 +69,9 @@ isc_stdio_sync(FILE *f);
* direct counterpart in the stdio library.
*/
+isc_result_t
+isc_stdio_fgetc(FILE *f, int *ret);
+
ISC_LANG_ENDDECLS
#endif /* ISC_STDIO_H */
diff --git a/lib/isc/lex.c b/lib/isc/lex.c
index ca5fe6d..b0152eb 100644
--- a/lib/isc/lex.c
+++ b/lib/isc/lex.c
@@ -433,15 +433,11 @@ isc_lex_gettoken(isc_lex_t *lex, unsigned int options, isc_token_t *tokenp) {
if (source->is_file) {
stream = source->input;
-#if defined(HAVE_FLOCKFILE) && defined(HAVE_GETC_UNLOCKED)
- c = getc_unlocked(stream);
-#else
- c = getc(stream);
-#endif
- if (c == EOF) {
- if (ferror(stream)) {
- source->result = ISC_R_IOERROR;
- result = source->result;
+ result = isc_stdio_fgetc(stream, &c);
+
+ if (result != ISC_R_SUCCESS) {
+ if (result != ISC_R_EOF) {
+ source->result = result;
goto done;
}
source->at_eof = true;
diff --git a/lib/isc/unix/errno2result.c b/lib/isc/unix/errno2result.c
index d72d56f..4287ff3 100644
--- a/lib/isc/unix/errno2result.c
+++ b/lib/isc/unix/errno2result.c
@@ -42,6 +42,7 @@ isc___errno2result(int posixerrno, bool dolog,
case EINVAL: /* XXX sometimes this is not for files */
case ENAMETOOLONG:
case EBADF:
+ case EISDIR:
return (ISC_R_INVALIDFILE);
case ENOENT:
return (ISC_R_FILENOTFOUND);
diff --git a/lib/isc/unix/stdio.c b/lib/isc/unix/stdio.c
index d2b1dda..79630b2 100644
--- a/lib/isc/unix/stdio.c
+++ b/lib/isc/unix/stdio.c
@@ -141,3 +141,22 @@ isc_stdio_sync(FILE *f) {
return (isc__errno2result(errno));
}
+isc_result_t
+isc_stdio_fgetc(FILE *f, int *ret) {
+ int r;
+ isc_result_t result = ISC_R_SUCCESS;
+
+#if defined(HAVE_FLOCKFILE) && defined(HAVE_GETCUNLOCKED)
+ r = fgetc_unlocked(f);
+#else
+ r = fgetc(f);
+#endif
+
+ if (r == EOF)
+ result = ferror(f) ? isc__errno2result(errno) : ISC_R_EOF;
+
+ *ret = r;
+
+ return result;
+}
+