Add a flexible test program, "modify", and use it in 8 new test cases.
--HG--
branch : HEAD
diff --git a/regress/modify.c b/regress/modify.c
new file mode 100644
index 0000000..2de8201
--- /dev/null
+++ b/regress/modify.c
@@ -0,0 +1,128 @@
+/*
+ modify.c -- test case for modifying zip archive in multiple ways
+ Copyright (C) 2012 Dieter Baron and Thomas Klausner
+
+ This file is part of libzip, a library to manipulate ZIP archives.
+ The authors can be contacted at <libzip@nih.at>
+
+ 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.
+ 3. The names of the authors may not be used to endorse or promote
+ products derived from this software without specific prior
+ written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+*/
+
+
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "zip.h"
+
+const char *prg;
+
+int
+main(int argc, char *argv[])
+{
+ const char *archive;
+ struct zip *za;
+ struct zip_source *zs;
+ char buf[100];
+ int err;
+ int arg;
+ int idx;
+
+ arg = 0;
+ prg = argv[arg++];
+
+ if (argc < 2) {
+ fprintf(stderr, "usage: %s archive [add name content|add_dir name|delete index|file_comment index comment|rename index name]\n", prg);
+ return 1;
+ }
+
+ archive = argv[arg++];
+
+ if ((za=zip_open(archive, ZIP_CREATE, &err)) == NULL) {
+ zip_error_to_str(buf, sizeof(buf), err, errno);
+ fprintf(stderr, "can't open zip archive `%s': %s\n", archive, buf);
+ return 1;
+ }
+
+ while (arg < argc) {
+ if (strcmp(argv[arg], "add") == 0 && arg+2 < argc) {
+ /* add */
+ if ((zs=zip_source_buffer(za, argv[arg+2], strlen(argv[arg+2]), 0)) == NULL) {
+ fprintf(stderr, "can't create zip_source from buffer: %s\n", zip_strerror(za));
+ break;
+ }
+
+ if (zip_add(za, argv[arg+1], zs) == -1) {
+ zip_source_free(zs);
+ fprintf(stderr, "can't add file `%s': %s\n", argv[arg+1], zip_strerror(za));
+ break;
+ }
+ arg += 3;
+ } else if (strcmp(argv[arg], "add_dir") == 0 && arg+1 < argc) {
+ /* add directory */
+ if (zip_add_dir(za, argv[arg+1]) < 0) {
+ fprintf(stderr, "can't add directory `%s': %s\n", argv[arg+1], zip_strerror(za));
+ break;
+ }
+ arg += 2;
+ } else if (strcmp(argv[arg], "delete") == 0 && arg+1 < argc) {
+ /* delete */
+ idx = atoi(argv[arg+1]);
+ if (zip_delete(za, idx) < 0) {
+ fprintf(stderr, "can't delete file at index `%d': %s\n", idx, zip_strerror(za));
+ break;
+ }
+ arg += 2;
+ } else if (strcmp(argv[arg], "file_comment") == 0 && arg+2 < argc) {
+ /* set file comment */
+ idx = atoi(argv[arg+1]);
+ if (zip_set_file_comment(za, idx, argv[arg+2], strlen(argv[arg+2])) < 0) {
+ fprintf(stderr, "can't set file comment at index `%d' to `%s': %s\n", idx, argv[arg+2], zip_strerror(za));
+ break;
+ }
+ arg += 3;
+ } else if (strcmp(argv[arg], "rename") == 0 && arg+2 < argc) {
+ /* rename */
+ idx = atoi(argv[arg+1]);
+ if (zip_rename(za, idx, argv[arg+2]) < 0) {
+ fprintf(stderr, "can't rename file at index `%d' to `%s': %s\n", idx, argv[arg+2], zip_strerror(za));
+ break;
+ }
+ arg += 3;
+ } else {
+ fprintf(stderr, "unrecognized command `%s'\n", argv[arg]);
+ break;
+ }
+ }
+
+ if (zip_close(za) == -1) {
+ fprintf(stderr, "can't close zip archive `%s': %s\n", archive, zip_strerror(za));
+ return 1;
+ }
+
+ return 0;
+}
