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Diffstat (limited to 'usr/src/cmd/ypcmd/revnetgroup/util.c')
-rw-r--r--usr/src/cmd/ypcmd/revnetgroup/util.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/usr/src/cmd/ypcmd/revnetgroup/util.c b/usr/src/cmd/ypcmd/revnetgroup/util.c
new file mode 100644
index 0000000000..511bf34b5b
--- /dev/null
+++ b/usr/src/cmd/ypcmd/revnetgroup/util.c
@@ -0,0 +1,112 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1996-2001 by Sun Microsystems, Inc.
+ * All rights reserved.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI" /* SMI4.1 1.4 */
+
+#include <stdio.h>
+#include <string.h>
+#include "util.h"
+
+
+
+
+/*
+ * This is just like fgets, but recognizes that "\\n" signals a continuation
+ * of a line
+ */
+char *
+getline(line, maxlen, fp)
+ char *line;
+ int maxlen;
+ FILE *fp;
+{
+ register char *p;
+ register char *start;
+ int c;
+
+ start = line;
+
+nextline:
+ if (fgets(start, maxlen, fp) == NULL) {
+ return (NULL);
+ }
+ for (p = start; *p; p++) {
+ if (*p == '\n') {
+ if (p > start && *(p-1) == '\\') {
+ start = p - 1;
+ maxlen++;
+ goto nextline;
+ } else {
+ return (line);
+ }
+ }
+ maxlen--;
+ }
+
+ /*
+ * Input line is too long. Rest of the line needs to be discarded.
+ * Reinsert the last char into the stream. This is done so that
+ * in case the last char read is '\' and it is followed by a '\n'
+ * then the next line too can be discarded.
+ */
+ if (p > start)
+ (void) ungetc(*(p-1), fp);
+
+ /*
+ * Discard the rest of the line
+ */
+ while ((c = getc(fp)) != EOF) {
+ if (c == '\n')
+ break;
+ else if (c == '\\') {
+ /*
+ * Ignore the next character except EOF
+ */
+ if (getc(fp) == EOF)
+ break;
+ }
+ }
+
+ maxlen = strlen(line) + 1;
+
+ /*
+ * Certain functions expects a newline in the buffer.
+ */
+ if (maxlen >= 2)
+ line[maxlen - 2] = '\n';
+ (void) fprintf(stderr, "Following line too long - remaining chars "
+ "ignored\n--- %s", line);
+ return (line);
+}
+
+
+void
+fatal(message)
+ char *message;
+{
+ (void) fprintf(stderr, "fatal error: %s\n", message);
+ exit(1);
+}