1 files changed, 96 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/vec/vecload.c b/usr/src/lib/libast/common/vec/vecload.c
new file mode 100644
index 0000000000..6439ae1091
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+++ b/usr/src/lib/libast/common/vec/vecload.c
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+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              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 Bell Laboratories
+ *
+ * string vector load support
+ */
+
+#include <ast.h>
+#include <vecargs.h>
+
+/*
+ * load a string vector from lines in buf
+ * buf may be modified on return
+ *
+ * each line in buf is treated as a new vector element
+ * lines with # as first char are comments
+ * \ as the last char joins consecutive lines
+ *
+ * the vector ends with a 0 sentinel
+ *
+ * the string array pointer is returned
+ */
+
+char**
+vecload(char* buf)
+{
+	register char*	s;
+	register int	n;
+	register char**	p;
+	char**		vec;
+
+	vec = 0;
+	n = (*buf == '#') ? -1 : 0;
+	for (s = buf;; s++)
+	{
+		if (*s == '\n')
+		{
+			if (s > buf && *(s - 1) == '\\') *(s - 1) = *s = ' ';
+			else
+			{
+				*s = 0;
+				if (*(s + 1) != '#')
+				{
+					n++;
+					if (!*(s + 1)) break;
+				}
+			}
+		}
+		else if (!*s)
+		{
+			n++;
+			break;
+		}
+	}
+	if (n < 0) n = 0;
+	if (p = newof(0, char*, n + 3, 0))
+	{
+		*p++ = s = buf;
+		vec = ++p;
+		if (n > 0) for (;;)
+		{
+			if (*s != '#')
+			{
+				*p++ = s;
+				if (--n <= 0) break;
+			}
+			while (*s) s++;
+			s++;
+		}
+		*p = 0;
+		*(vec - 1) = (char*)p;
+	}
+	return(vec);
+}