From 3895afa953a49e842fa99fa08842268d6f58aae9 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Tue, 3 May 2016 12:42:43 -0400
Subject: internals: slbt_mkdir(): initial implementation and integration.

---
 project/headers.mk                 |  1 +
 src/internal/slibtool_mkdir_impl.h | 25 +++++++++++++++++++++++++
 src/logic/slbt_exec_compile.c      | 15 +++++----------
 src/logic/slbt_exec_link.c         | 15 +++++----------
 4 files changed, 36 insertions(+), 20 deletions(-)
 create mode 100644 src/internal/slibtool_mkdir_impl.h

diff --git a/project/headers.mk b/project/headers.mk
index eacad87..bca122f 100644
--- a/project/headers.mk
+++ b/project/headers.mk
@@ -6,6 +6,7 @@ INTERNAL_HEADERS = \
 	$(PROJECT_DIR)/src/internal/argv/argv.h \
 	$(PROJECT_DIR)/src/internal/$(PACKAGE)_driver_impl.h \
 	$(PROJECT_DIR)/src/internal/$(PACKAGE)_install_impl.h \
+	$(PROJECT_DIR)/src/internal/$(PACKAGE)_mkdir_impl.h \
 	$(PROJECT_DIR)/src/internal/$(PACKAGE)_readlink_impl.h \
 	$(PROJECT_DIR)/src/internal/$(PACKAGE)_spawn_impl.h \
 	$(PROJECT_DIR)/src/internal/$(PACKAGE)_symlink_impl.h \
diff --git a/src/internal/slibtool_mkdir_impl.h b/src/internal/slibtool_mkdir_impl.h
new file mode 100644
index 0000000..9be237b
--- /dev/null
+++ b/src/internal/slibtool_mkdir_impl.h
@@ -0,0 +1,25 @@
+/*******************************************************************/
+/*  slibtool: a skinny libtool implementation, written in C        */
+/*  Copyright (C) 2016  Z. Gilboa                                  */
+/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
+/*******************************************************************/
+
+#include <errno.h>
+#include <unistd.h>
+
+#ifndef O_DIRECTORY
+#define O_DIRECTORY 0
+#endif
+
+static inline int slbt_mkdir(const char * path)
+{
+	int fdlibs;
+
+	if ((fdlibs = open(path,O_DIRECTORY)) >= 0)
+		close(fdlibs);
+	else if ((errno != ENOENT) || mkdir(path,0777))
+		if (errno != EEXIST)
+			return -1;
+
+	return 0;
+}
diff --git a/src/logic/slbt_exec_compile.c b/src/logic/slbt_exec_compile.c
index c5c3e70..4a75270 100644
--- a/src/logic/slbt_exec_compile.c
+++ b/src/logic/slbt_exec_compile.c
@@ -12,6 +12,7 @@
 
 #include <slibtool/slibtool.h>
 #include "slibtool_spawn_impl.h"
+#include "slibtool_mkdir_impl.h"
 
 static int slbt_exec_compile_remove_file(
 	const struct slbt_driver_ctx *	dctx,
@@ -35,7 +36,6 @@ int  slbt_exec_compile(
 	struct slbt_exec_ctx *		ectx)
 {
 	int			ret;
-	int			fdlibs;
 	FILE *			fout;
 	struct slbt_exec_ctx *	actx = 0;
 	const struct slbt_source_version * verinfo;
@@ -57,16 +57,11 @@ int  slbt_exec_compile(
 		return -1;
 
 	/* .libs directory */
-	if (dctx->cctx->drvflags & SLBT_DRIVER_SHARED) {
-		if ((fdlibs = open(ectx->ldirname,O_DIRECTORY)) >= 0)
-			close(fdlibs);
-		else if ((errno != ENOENT) || mkdir(ectx->ldirname,0777)) {
-			if (errno != EEXIST) {
-				slbt_free_exec_ctx(actx);
-				return -1;
-			}
+	if (dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
+		if (slbt_mkdir(ectx->ldirname)) {
+			slbt_free_exec_ctx(actx);
+			return -1;
 		}
-	}
 
 	/* compile mode */
 	ectx->program = ectx->compiler;
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index 847bc95..d964df0 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -14,6 +14,7 @@
 
 #include <slibtool/slibtool.h>
 #include "slibtool_spawn_impl.h"
+#include "slibtool_mkdir_impl.h"
 #include "slibtool_readlink_impl.h"
 #include "slibtool_symlink_impl.h"
 
@@ -995,7 +996,6 @@ int slbt_exec_link(
 	struct slbt_exec_ctx *		ectx)
 {
 	int			ret;
-	int			fdlibs;
 	const char *		output;
 	char *			dot;
 	FILE *			fout;
@@ -1062,16 +1062,11 @@ int slbt_exec_link(
 	dot    = strrchr(output,'.');
 
 	/* .libs directory */
-	if (dctx->cctx->drvflags & SLBT_DRIVER_SHARED) {
-		if ((fdlibs = open(ectx->ldirname,O_DIRECTORY)) >= 0)
-			close(fdlibs);
-		else if ((errno != ENOENT) || mkdir(ectx->ldirname,0777)) {
-			if (errno != EEXIST) {
-				slbt_free_exec_ctx(actx);
-				return -1;
-			}
+	if (dctx->cctx->drvflags & SLBT_DRIVER_SHARED)
+		if (slbt_mkdir(ectx->ldirname)) {
+			slbt_free_exec_ctx(actx);
+			return -1;
 		}
-	}
 
 	/* non-pic libfoo.a */
 	if (dot && !strcmp(dot,".a"))
-- 
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