Move copyFile to IO module

docs/docs/standard-lib/io.md

@@ -41,3 +41,13 @@ Prints a given list of values to stdout with an appended newline character.
 IO.println("Dictu!");
 // Dictu!
 ```
+
+### IO.copyFile(String: src, String: dst) -> Result\<Nil>
+
+Copies the contents from the source file to the destination file.
+
+Returns a Result type and on success will unwrap to nil.
+
+```cs
+IO.copyFile(src, dst);
+```

docs/docs/standard-lib/system.md

@@ -280,13 +280,3 @@ Note: This is not available on Windows systems.
 System.mkdirTemp().unwrap(); // "VOO16s"
 System.mkdirTemp("test_XXXXXX").unwrap(); // "test_0bL2qS"
 ```
-
-### System.copyFile(String: src, String: dst) -> Result\<Nil>
-
-Copies the contents from the source file to the destination file.
-
-Returns a Result type and on success will unwrap to nil.
-
-```cs
-System.copyFile(src, dst);
-```

examples/copyFile.du

@@ -1,3 +1,4 @@
+import IO;
 import Path;
 import System;
 
@@ -36,7 +37,7 @@ def cleanup(tmpDir) {
         print(file.read());
     }
 
-    System.copyFile(Path.join(tmpDir, srcFile), Path.join(tmpDir, dstFile)).match(
+    IO.copyFile(Path.join(tmpDir, srcFile), Path.join(tmpDir, dstFile)).match(
         def(result) => result,
         def(error) => {
             print(error);

src/optionals/io.c

@@ -1,3 +1,13 @@
+#include <fcntl.h>
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+#if defined(__APPLE__) || defined(__FreeBSD__)
+#include <copyfile.h>
+#elif defined(__linux__)
+#include <sys/sendfile.h>
+#endif
+
 #include "io.h"
 
 
@@ -28,6 +38,86 @@ static Value printlnIO(DictuVM *vm, int argCount, Value *args) {
     return NIL_VAL;
 }
 
+#ifdef _WIN32
+static Value copyFileIO(DictuVM *vm, int argCount, Value *args) {
+    if (argCount != 2) {
+        runtimeError(vm, "copyFile() takes 2 arguments (%d given).", argCount);
+        return EMPTY_VAL;
+    }
+
+    if (!IS_STRING(args[0]) || !IS_STRING(args[1])) {
+        runtimeError(vm, "copyFile() arguments must be strings.");
+        return EMPTY_VAL;
+    }
+
+    char *srcFile = AS_STRING(args[0])->chars;
+    char *dstFile = AS_STRING(args[1])->chars;
+
+    FILE *sf = fopen(srcFile, "r");
+    if (sf == NULL) {
+        return newResultError(vm, "cannot open src file");
+    }
+
+    FILE *df = fopen(dstFile, "w");
+    if (df == NULL) {
+        fclose(sf);
+        return newResultError(vm, "cannot open dst file");
+    }
+
+    int buffer = fgetc(sf);
+    while (buffer != EOF) {
+        fputc(buffer, df);
+        buffer = fgetc(sf);
+    }
+
+    fclose(sf);
+    fclose(df);
+
+    return newResultSuccess(vm, NIL_VAL);
+}
+#endif
+
+#ifndef _WIN32
+static Value copyFileIO(DictuVM *vm, int argCount, Value *args) {
+    if (argCount != 2) {
+        runtimeError(vm, "copyFile() takes 2 arguments (%d given)", argCount);
+        return EMPTY_VAL;
+    }
+
+    if (!IS_STRING(args[0]) || !IS_STRING(args[1])) {
+        runtimeError(vm, "copyFile() arguments must be strings.");
+        return EMPTY_VAL;
+    }
+
+    char *src = AS_STRING(args[0])->chars;
+    char *dst = AS_STRING(args[1])->chars;
+
+    int in = 0;
+    int out = 0;
+
+    if ((in = open(src, O_RDONLY)) == -1) {
+        return newResultError(vm, "failed to open src file");
+    }
+    if ((out = creat(dst, 0660)) == -1) {
+        close(in);
+        return newResultError(vm, "failed to create/open dst file");
+    }
+
+#if defined(__APPLE__) || defined(__FreeBSD__)
+    fcopyfile(in, out, 0, COPYFILE_ALL);
+#elif defined(__linux__)
+    off_t bytes = 0;
+    struct stat fileinfo = {0};
+    fstat(in, &fileinfo);
+    sendfile(out, in, &bytes, fileinfo.st_size);
+#endif
+    close(in);
+    close(out);
+
+    return newResultSuccess(vm, NIL_VAL);
+}
+#endif
+
 Value createIOModule(DictuVM *vm) {
     ObjString *name = copyString(vm, "IO", 2);
     push(vm, OBJ_VAL(name));
@@ -43,6 +133,7 @@ Value createIOModule(DictuVM *vm) {
      */
     defineNative(vm, &module->values, "print", printIO);
     defineNative(vm, &module->values, "println", printlnIO);
+    defineNative(vm, &module->values, "copyFile", copyFileIO);
 
     pop(vm);
     pop(vm);

src/optionals/system.c

@@ -490,43 +490,6 @@ static Value chmodNative(DictuVM *vm, int argCount, Value *args) {
     return newResultSuccess(vm, NIL_VAL);
 }
 
-static Value copyFileNative(DictuVM *vm, int argCount, Value *args) {
-    if (argCount != 2) {
-        runtimeError(vm, "copyFile() takes 2 arguments (%d given).", argCount);
-        return EMPTY_VAL;
-    }
-
-    if (!IS_STRING(args[0]) || !IS_STRING(args[1])) {
-        runtimeError(vm, "copyFile() arguments must be strings.");
-        return EMPTY_VAL;
-    }
-
-    char *srcFile = AS_STRING(args[0])->chars;
-    char *dstFile = AS_STRING(args[1])->chars;
-
-    FILE *sf = fopen(srcFile, "r");
-    if (sf == NULL) {
-        return newResultError(vm, "cannot open src file");
-    }
-
-    FILE *df = fopen(dstFile, "w");
-    if (df == NULL) {
-        fclose(sf);
-        return newResultError(vm, "cannot open dst file");
-    }
-
-    int buffer = fgetc(sf);
-    while (buffer != EOF) {
-        fputc(buffer, df);
-        buffer = fgetc(sf);
-    }
-
-    fclose(sf);
-    fclose(df);
-
-    return newResultSuccess(vm, NIL_VAL);
-}
-
 void initArgv(DictuVM *vm, Table *table, int argc, char **argv) {
     ObjList *list = newList(vm);
     push(vm, OBJ_VAL(list));
@@ -627,7 +590,6 @@ Value createSystemModule(DictuVM *vm) {
     defineNative(vm, &module->values, "sleep", sleepNative);
     defineNative(vm, &module->values, "exit", exitNative);
     defineNative(vm, &module->values, "chmod", chmodNative);
-    defineNative(vm, &module->values, "copyFile", copyFileNative);
 
     /**
      * Define System properties

tests/system/copyFile.du → tests/io/copyFile.du

@@ -1,13 +1,14 @@
 /**
  * copyFile.du
  *
- * Testing the System.copyFile() function
+ * Testing the IO.copyFile() function
  *
  * copyFile() copies the contents from the source file to the 
  * destination file.
  */
 from UnitTest import UnitTest;
 
+import IO;
 import Path;
 import System;
 
@@ -42,11 +43,11 @@ class TestSystemCopyFile < UnitTest {
         const srcFullPath = Path.join(this.tmpDir, srcFile);
         const dstFullPath = Path.join(this.tmpDir, dstFile);
 
-        const res = System.copyFile(srcFullPath, dstFullPath);
+        const res = IO.copyFile(srcFullPath, dstFullPath);
 
         this.assertNotNil(res);
         this.assertSuccess(res);
     }
 }
 
-TestSystemCopyFile().run();
+TestSystemCopyFile().run();

tests/io/import.du

@@ -0,0 +1,7 @@
+/**
+ * import.du
+ *
+ * General import file for the IO module tests
+ */
+
+import "copyFile.du";

tests/runTests.du

@@ -36,6 +36,7 @@ import "base64/import.du";
 import "sqlite/import.du";
 import "process/import.du";
 import "inspect/import.du";
+import "io/import.du";
 import "unittest/import.du";
 
 if (isDefined("HTTP")) {

tests/system/import.du

@@ -5,7 +5,6 @@
  */
 
 import "access.du";
-import "copyFile.du";
 import "version.du";
 import "sleep.du";
 import "getCWD.du";