import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

security/nss/cmd/signtool/zip.h

@@ -0,0 +1,69 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* zip.h
+ * Structures and functions for creating ZIP archives.
+ */
+#ifndef ZIP_H
+#define ZIP_H
+
+/* For general information on ZIP formats, you can look at jarfile.h
+ * in ns/security/lib/jar.  Or look it up on the web...
+ */
+
+/* One entry in a ZIPfile.  This corresponds to one file in the archive.
+ * We have to save this information because first all the files go into
+ * the archive with local headers; then at the end of the file we have to
+ * put the central directory entries for each file.
+ */
+typedef struct ZIPentry_s {
+    struct ZipLocal local;     /* local header info */
+    struct ZipCentral central; /* central directory info */
+    char *filename;            /* name of file */
+    char *comment;             /* comment for this file -- optional */
+
+    struct ZIPentry_s *next;
+} ZIPentry;
+
+/* This structure contains the necessary data for putting a ZIP file
+ * together.  Has some overall information and a list of ZIPentrys.
+ */
+typedef struct ZIPfile_s {
+    char *filename;              /* ZIP file name */
+    char *comment;               /* ZIP file comment -- may be NULL */
+    PRFileDesc *fp;              /* ZIP file pointer */
+    ZIPentry *list;              /* one entry for each file in the archive */
+    unsigned int time;           /* the GMT time of creation, in DOS format */
+    unsigned int date;           /* the GMT date of creation, in DOS format */
+    unsigned long central_start; /* starting offset of central directory */
+    unsigned long central_end;   /*index right after the last byte of central*/
+} ZIPfile;
+
+/* Open a new ZIP file.  Takes the name of the zip file and an optional
+ * comment to be included in the file.  Returns a new ZIPfile structure
+ * which is used by JzipAdd and JzipClose
+ */
+ZIPfile *JzipOpen(char *filename, char *comment);
+
+/* Add a file to a ZIP archive.  Fullname is the path relative to the
+ * current directory.  Filename is what the name will be stored as in the
+ * archive, and thus what it will be restored as.  zipfile is a structure
+ * returned from a previous call to JzipOpen.
+ *
+ * Non-zero return code means error (although usually the function will
+ * call exit() rather than return an error--gotta fix this).
+ */
+int JzipAdd(char *fullname, char *filename, ZIPfile *zipfile,
+            int compression_level);
+
+/* Finalize a ZIP archive.  Adds all the footer information to the end of
+ * the file and closes it.  Also DELETES THE ZIPFILE STRUCTURE that was
+ * passed in.  So you never have to allocate or free a ZIPfile yourself.
+ *
+ * Non-zero return code means error (although usually the function will
+ * call exit() rather than return an error--gotta fix this).
+ */
+int JzipClose(ZIPfile *zipfile);
+
+#endif /* ZIP_H */