ansilove

commit d71164171ca09aec4ffa1def8cd4d7e8b21ffeb7
parent 3b7328ef708d8c20a46dfb41301b8b2e66dc4e3b
Author: ByteProject <stefan.vogt@byteproject.net>
Date:   Sat, 21 Jan 2012 18:02:07 +0100

proper C99 port of the filesize() function known from PHP

Diffstat:
A
ansilove/filesize.c
 | 
45
+++++++++++++++++++++++++++++++++++++++++++++
A
ansilove/filesize.h
 | 
26
++++++++++++++++++++++++++

2 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/ansilove/filesize.c b/ansilove/filesize.c
@@ -0,0 +1,45 @@
+//
+//  filesize.m
+//  AnsiLove/C
+//
+//  Copyright (c) 2011, Stefan Vogt. All rights reserved.
+//  http://byteproject.net
+//
+//  Use of this source code is governed by a MIT-style license.
+//  See the file LICENSE for details.
+//
+
+#if defined(__APPLE__) && defined(__MACH__)
+#import "filesize.h"
+#else
+#include "filesize.h"
+#endif
+
+int64_t filesize(char *filepath) 
+{
+    // pointer to file at path
+    int64_t size;
+    FILE *file;
+    
+    // To properly determine the size, we open it in binary mode.
+    file = fopen(filepath, "rb");
+    
+    if(file != NULL)
+    {
+        // Error while seeking to end of file?
+        if(fseek(file, 0, SEEK_END)) {
+            rewind(file);
+            fclose(file);
+            return -1;
+        }
+        
+        size = ftell(file);
+        // Close file and return the file size.
+        rewind(file);
+        fclose(file);
+        return size;
+    } 
+    
+    // In case we encounter an error.
+    return -1;
+}
diff --git a/ansilove/filesize.h b/ansilove/filesize.h
@@ -0,0 +1,26 @@
+//
+//  filesize.h
+//  AnsiLove/C
+//
+//  Copyright (c) 2011, Stefan Vogt. All rights reserved.
+//  http://byteproject.net
+//
+//  Use of this source code is governed by a MIT-style license.
+//  See the file LICENSE for details.
+//
+
+#if defined(__APPLE__) && defined(__MACH__)
+#import <Foundation/Foundation.h>
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#endif
+
+#ifndef filesize_h
+#define filesize_h
+
+// Returns size of a file at a given path as integer.
+
+int64_t filesize(char *filepath);
+
+#endif