Imported Upstream version 93u+upstream

1 files changed, 62 insertions, 0 deletions

diff --git a/src/lib/libast/vec/vecfile.c b/src/lib/libast/vec/vecfile.c
new file mode 100644
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--- /dev/null
+++ b/src/lib/libast/vec/vecfile.c
@@ -0,0 +1,62 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * string vector load support
+ */
+
+#include <ast.h>
+#include <ls.h>
+#include <vecargs.h>
+
+/*
+ * load a string vector from lines in file
+ */
+
+char**
+vecfile(const char* file)
+{
+	register int	n;
+	register char*	buf;
+	register char**	vec;
+	int		fd;
+	struct stat	st;
+
+	vec = 0;
+	if ((fd = open(file, O_RDONLY)) >= 0)
+	{
+		if (!fstat(fd, &st) && S_ISREG(st.st_mode) && (n = st.st_size) > 0 && (buf = newof(0, char, n + 1, 0)))
+		{
+			if (read(fd, buf, n) == n)
+			{
+				buf[n] = 0;
+				vec = vecload(buf);
+			}
+			if (!vec) free(buf);
+		}
+		close(fd);
+	}
+	return(vec);
+}