1 files changed, 48 insertions, 0 deletions

diff --git a/res/bincat.c b/res/bincat.c
new file mode 100644
index 00000000..8fc9d831
--- /dev/null
+++ b/res/bincat.c
@@ -0,0 +1,48 @@
+/* Copyright 2020 Jaakko Keränen <jaakko.keranen@iki.fi>
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
+
+/* bincat.c: Tiny tool for concatenating binary files */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+    const size_t bufSize = 1024 * 256;
+    char *buf = malloc(bufSize);
+    FILE *out = fopen(argv[1], "wb");
+    int i;
+    for (i = 2; i < argc; ++i) {
+        FILE *f = fopen(argv[i], "rb");
+        size_t fileSize = 0;
+        for (;;) {
+            size_t num = fread(buf, 1, bufSize, f);
+            if (num <= 0) break;
+            fileSize += num;
+            fwrite(buf, 1, num, out); 
+        }
+        fclose(f);
+        printf("%zu;", fileSize);
+    }
+    fclose(out);
+    free(buf);
+    return 0;
+}