1 files changed, 136 insertions, 0 deletions
diff --git a/tools/zipalign/ZipAlignMain.cpp b/tools/zipalign/ZipAlignMain.cpp
new file mode 100644
index 0000000000..47ebd126af
--- /dev/null
+++ b/tools/zipalign/ZipAlignMain.cpp
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Zip alignment tool
+ */
+
+#include "ZipAlign.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+using namespace android;
+
+/*
+ * Show program usage.
+ */
+void usage(void)
+{
+    fprintf(stderr, "Zip alignment utility\n");
+    fprintf(stderr, "Copyright (C) 2009 The Android Open Source Project\n\n");
+    fprintf(stderr,
+        "Usage: zipalign [-f] [-p] [-v] [-z] <align> infile.zip outfile.zip\n"
+        "       zipalign -c [-p] [-v] <align> infile.zip\n\n" );
+    fprintf(stderr,
+        "  <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");
+    fprintf(stderr, "  -c: check alignment only (does not modify file)\n");
+    fprintf(stderr, "  -f: overwrite existing outfile.zip\n");
+    fprintf(stderr, "  -p: page-align uncompressed .so files\n");
+    fprintf(stderr, "  -v: verbose output\n");
+    fprintf(stderr, "  -z: recompress using Zopfli\n");
+}
+
+
+/*
+ * Parse args.
+ */
+int main(int argc, char* const argv[])
+{
+    bool wantUsage = false;
+    bool check = false;
+    bool force = false;
+    bool verbose = false;
+    bool zopfli = false;
+    bool pageAlignSharedLibs = false;
+    int result = 1;
+    int alignment;
+    char* endp;
+
+    if (argc < 4) {
+        wantUsage = true;
+        goto bail;
+    }
+
+    argc--;
+    argv++;
+
+    while (argc && argv[0][0] == '-') {
+        const char* cp = argv[0] +1;
+
+        while (*cp != '\0') {
+            switch (*cp) {
+            case 'c':
+                check = true;
+                break;
+            case 'f':
+                force = true;
+                break;
+            case 'v':
+                verbose = true;
+                break;
+            case 'z':
+                zopfli = true;
+                break;
+            case 'p':
+                pageAlignSharedLibs = true;
+                break;
+            default:
+                fprintf(stderr, "ERROR: unknown flag -%c\n", *cp);
+                wantUsage = true;
+                goto bail;
+            }
+
+            cp++;
+        }
+
+        argc--;
+        argv++;
+    }
+
+    if (!((check && argc == 2) || (!check && argc == 3))) {
+        wantUsage = true;
+        goto bail;
+    }
+
+    alignment = strtol(argv[0], &endp, 10);
+    if (*endp != '\0' || alignment <= 0) {
+        fprintf(stderr, "Invalid value for alignment: %s\n", argv[0]);
+        wantUsage = true;
+        goto bail;
+    }
+
+    if (check) {
+        /* check existing archive for correct alignment */
+        result = verify(argv[1], alignment, verbose, pageAlignSharedLibs);
+    } else {
+        /* create the new archive */
+        result = process(argv[1], argv[2], alignment, force, zopfli, pageAlignSharedLibs);
+
+        /* trust, but verify */
+        if (result == 0) {
+            result = verify(argv[2], alignment, verbose, pageAlignSharedLibs);
+        }
+    }
+
+bail:
+    if (wantUsage) {
+        usage();
+        result = 2;
+    }
+
+    return result;
+}