From ce05175372a9ddca1a225db0765ace1127a39293 Mon Sep 17 00:00:00 2001
From: Nicholas <nbnoll@eml.cc>
Date: Fri, 12 Nov 2021 09:22:01 -0800
Subject: chore: simplified organizational structure

---
 src/base/os/basename.c | 10 ++++++++++
 src/base/os/exists.c   |  7 +++++++
 src/base/os/internal.h |  4 ++++
 src/base/os/rules.mk   |  4 ++++
 src/base/os/sep.c      | 14 ++++++++++++++
 5 files changed, 39 insertions(+)
 create mode 100644 src/base/os/basename.c
 create mode 100644 src/base/os/exists.c
 create mode 100644 src/base/os/internal.h
 create mode 100644 src/base/os/rules.mk
 create mode 100644 src/base/os/sep.c

(limited to 'src/base/os')

diff --git a/src/base/os/basename.c b/src/base/os/basename.c
new file mode 100644
index 0000000..b5bb343
--- /dev/null
+++ b/src/base/os/basename.c
@@ -0,0 +1,10 @@
+#include "internal.h"
+
+char*
+os·basename(char *path)
+{
+    char *sep;
+
+    sep = strrchr(path, os·sep());
+    return (sep == nil) ? path : sep+1;
+}
diff --git a/src/base/os/exists.c b/src/base/os/exists.c
new file mode 100644
index 0000000..a3c8935
--- /dev/null
+++ b/src/base/os/exists.c
@@ -0,0 +1,7 @@
+#include "internal.h"
+
+int
+os·exists(byte *path, int flag)
+{
+    return access(path, flag) == 0;
+}
diff --git a/src/base/os/internal.h b/src/base/os/internal.h
new file mode 100644
index 0000000..302c035
--- /dev/null
+++ b/src/base/os/internal.h
@@ -0,0 +1,4 @@
+#pragma once
+
+#include <u.h>
+#include <base.h>
diff --git a/src/base/os/rules.mk b/src/base/os/rules.mk
new file mode 100644
index 0000000..bf1e71d
--- /dev/null
+++ b/src/base/os/rules.mk
@@ -0,0 +1,4 @@
+SRCS_$(d)+=\
+	$(d)/os/basename.c\
+	$(d)/os/exists.c\
+	$(d)/os/sep.c\
diff --git a/src/base/os/sep.c b/src/base/os/sep.c
new file mode 100644
index 0000000..750e627
--- /dev/null
+++ b/src/base/os/sep.c
@@ -0,0 +1,14 @@
+#include "internal.h"
+
+int
+os·sep(void)
+{
+#if defined(UNIX) || defined(__linux__)
+    return '/';
+#elif defined(WIN32)
+    return '\\';
+#else
+    panicf("unrecognized operating system");
+    return '\0';
+#endif
+}
-- 
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