1 files changed, 109 insertions, 0 deletions
diff --git a/extension/readfile.c b/extension/readfile.c
new file mode 100644
index 00000000..8713bc8d
--- /dev/null
+++ b/extension/readfile.c
@@ -0,0 +1,109 @@
+/*
+ * readfile.c - Read an entire file into a string.
+ *
+ * Arnold Robbins
+ * Tue Apr 23 17:43:30 IDT 2002
+ */
+
+/*
+ * Copyright (C) 2002 the Free Software Foundation, Inc.
+ * 
+ * This file is part of GAWK, the GNU implementation of the
+ * AWK Programming Language.
+ * 
+ * GAWK is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * GAWK is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ */
+
+#include "awk.h"
+#include <fcntl.h>
+
+/* do_readfile --- read a file into memory */
+
+NODE *
+do_readfile(tree)
+NODE *tree;
+{
+	NODE *filename;
+	int ret = -1;
+	struct stat sbuf;
+	char *text;
+	int fd;
+
+	if  (do_lint && tree->param_cnt > 1)
+		lintwarn("readfile: called with too many arguments");
+
+	filename = get_argument(tree, 0);
+	if (filename != NULL) {
+		(void) force_string(filename);
+
+		ret = stat(filename->stptr, & sbuf);
+		if (ret < 0) {
+			update_ERRNO();
+			free_temp(filename);
+			goto done;
+		} else if ((sbuf.st_mode & S_IFMT) != S_IFREG) {
+			errno = EINVAL;
+			ret = -1;
+			update_ERRNO();
+			free_temp(filename);
+			goto done;
+		}
+
+		if ((fd = open(filename->stptr, O_RDONLY)) < 0) {
+			ret = -1;
+			update_ERRNO();
+			free_temp(filename);
+			goto done;
+		}
+
+		emalloc(text, char *, sbuf.st_size + 2, "do_readfile");
+		memset(text, '\0', sbuf.st_size + 2);
+
+		if ((ret = read(fd, text, sbuf.st_size)) != sbuf.st_size) {
+			(void) close(fd);
+			ret = -1;
+			update_ERRNO();
+			free_temp(filename);
+			goto done;
+		}
+
+		close(fd);
+		free_temp(filename);
+		set_value(tmp_string(text, sbuf.st_size));
+		return tmp_number((AWKNUM) 0);
+	} else if (do_lint)
+		lintwarn("filename: called with no arguments");
+
+
+done:
+	/* Set the return value */
+	set_value(tmp_number((AWKNUM) ret));
+
+	/* Just to make the interpreter happy */
+	return tmp_number((AWKNUM) 0);
+}
+
+
+/* dlload --- load new builtins in this library */
+
+NODE *
+dlload(tree, dl)
+NODE *tree;
+void *dl;
+{
+	make_builtin("readfile", do_readfile, 1);
+
+	return tmp_number((AWKNUM) 0);
+}