slbt_readlink(): initial implementation and integration.

1 files changed, 24 insertions, 0 deletions

diff --git a/src/internal/slibtool_readlink_impl.h b/src/internal/slibtool_readlink_impl.h
new file mode 100644
index 0000000..f66e10b
--- /dev/null
+++ b/src/internal/slibtool_readlink_impl.h
@@ -0,0 +1,24 @@
+/*******************************************************************/
+/*  slibtool: a skinny libtool implementation, written in C        */
+/*  Copyright (C) 2016  Z. Gilboa                                  */
+/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <unistd.h>
+
+static inline int slbt_readlink(
+	const char *	restrict path,
+	char *		restrict buf,
+	ssize_t		bufsize)
+{
+	ssize_t ret;
+
+	if ((ret = readlink(path,buf,bufsize)) <= 0)
+		return -1;
+	else if (ret == bufsize)
+		return -1;
+	else {
+		buf[ret] = '\0';
+		return 0;
+	}
+}