added missing dos compat files to requester project

requesters/.gitignore

@@ -1 +1,3 @@
 main
+dos_compat_test
+file_list_test

requesters/dos_compat.c

@@ -0,0 +1,40 @@
+#include <stddef.h>
+#include <string.h>
+
+#include "dos_compat.h"
+
+const char *dc_PathPart(const char *path)
+{
+    if (path) {
+        int slen = strlen(path);
+        if (slen == 0) return path;
+        int i = slen - 1;
+        for (i = slen - 1; i > 0; i--) {
+            if (path[i] == '/') break;
+            if (path[i] == ':' && i < (slen - 1)) return &(path[i + 1]);
+        }
+        return &(path[i]);
+    }
+    return NULL;
+}
+
+const char *dc_FilePart(const char *path)
+{
+    if (path) {
+        int slen = strlen(path);
+        if (slen == 0) return path;
+        int i = slen - 1;
+        for (i = slen - 1; i > 0; i--) {
+            if (path[i] == '/') return &(path[i + 1]);
+            if (path[i] == ':' && i < (slen - 1)) return &(path[i + 1]);
+        }
+        return &(path[i]);
+    }
+    return NULL;
+}
+
+int dc_AddPart(char *dest_path, const char *part_to_add, int dest_size)
+{
+    if (dest_size == 0) return 0;
+    return 0;
+}

requesters/dos_compat.h

@@ -0,0 +1,13 @@
+#pragma once
+#ifndef __DOS_COMPAT_H__
+#define __DOS_COMPAT_H__
+
+// Compatibility functions to implement 2.x functionality on 1.x systems
+
+extern const char *dc_PathPart(const char *path);
+extern const char *dc_FilePart(const char *path);
+
+extern int dc_AddPart(char *dest_path, const char *part_to_add, int dest_size);
+
+#endif /* __DOS_COMPAT_H__ */
+

requesters/dos_compat_test.c

@@ -0,0 +1,92 @@
+#include <stddef.h>
+#include <string.h>
+
+#include "chibi.h"
+#include "dos_compat.h"
+
+CHIBI_TEST(TestPathPartNull)
+{
+    chibi_assert(dc_PathPart(NULL) == NULL);
+}
+
+CHIBI_TEST(TestPathPartEmpty)
+{
+    static char path[] = "";
+    chibi_assert(dc_PathPart(path) == path);
+}
+
+CHIBI_TEST(TestPathPartVolumeOnly)
+{
+    static char path[] = "Workbench:";
+    chibi_assert(dc_PathPart(path) == path);
+}
+
+CHIBI_TEST(TestPathPartVolumeAndFile)
+{
+    static char path[] = "Workbench:file1";
+    chibi_assert(dc_PathPart(path) == &(path[10]));
+}
+
+CHIBI_TEST(TestPathPartVolumeDirAndFile)
+{
+    static char path[] = "Workbench:dir/file1";
+    chibi_assert(dc_PathPart(path) == &(path[13]));
+}
+
+CHIBI_TEST(TestFilePartNull)
+{
+    chibi_assert(dc_FilePart(NULL) == NULL);
+}
+
+CHIBI_TEST(TestFilePartEmpty)
+{
+    static char path[] = "";
+    chibi_assert(dc_FilePart(path) == path);
+}
+
+CHIBI_TEST(TestFilePartVolumeOnly)
+{
+    static char path[] = "Workbench:";
+    chibi_assert(dc_FilePart(path) == path);
+}
+
+CHIBI_TEST(TestFilePartVolumeAndFile)
+{
+    static char path[] = "Workbench:file1";
+    chibi_assert(dc_FilePart(path) == &(path[10]));
+}
+
+CHIBI_TEST(TestFilePartVolumeDirAndFile)
+{
+    static char path[] = "Workbench:dir/file1";
+    chibi_assert(dc_FilePart(path) == &(path[14]));
+}
+
+CHIBI_TEST(TestAddPartAllNull)
+{
+    chibi_assert(dc_AddPart(NULL, NULL, 0) == 0);
+}
+
+int main(int argc, char **argv)
+{
+    chibi_summary_data summary;
+    chibi_suite *suite = chibi_suite_new();
+
+    chibi_suite_add_test(suite, TestPathPartNull);
+    chibi_suite_add_test(suite, TestPathPartEmpty);
+    chibi_suite_add_test(suite, TestPathPartVolumeOnly);
+    chibi_suite_add_test(suite, TestPathPartVolumeAndFile);
+    chibi_suite_add_test(suite, TestPathPartVolumeDirAndFile);
+
+    chibi_suite_add_test(suite, TestFilePartNull);
+    chibi_suite_add_test(suite, TestFilePartEmpty);
+    chibi_suite_add_test(suite, TestFilePartVolumeOnly);
+    chibi_suite_add_test(suite, TestFilePartVolumeAndFile);
+    chibi_suite_add_test(suite, TestFilePartVolumeDirAndFile);
+
+    chibi_suite_add_test(suite, TestAddPartAllNull);
+
+    chibi_suite_run(suite, &summary);
+    chibi_suite_delete(suite);
+    return summary.num_failures;
+}