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Diffstat (limited to 'src/Common/libzip/zip_source_supports.c')
-rw-r--r--src/Common/libzip/zip_source_supports.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/src/Common/libzip/zip_source_supports.c b/src/Common/libzip/zip_source_supports.c
index c59aa1f8..8fea2ae9 100644
--- a/src/Common/libzip/zip_source_supports.c
+++ b/src/Common/libzip/zip_source_supports.c
@@ -1,9 +1,9 @@
/*
zip_source_supports.c -- check for supported functions
- Copyright (C) 2014-2016 Dieter Baron and Thomas Klausner
+ Copyright (C) 2014-2021 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>
+ The authors can be contacted at <info@libzip.org>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -17,7 +17,7 @@
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
@@ -38,22 +38,23 @@
zip_int64_t
-zip_source_supports(zip_source_t *src)
-{
+zip_source_supports(zip_source_t *src) {
return src->supports;
}
+bool
+zip_source_supports_reopen(zip_source_t *src) {
+ return (zip_source_supports(src) & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_SUPPORTS_REOPEN)) != 0;
+}
ZIP_EXTERN zip_int64_t
-zip_source_make_command_bitmap(zip_source_cmd_t cmd0, ...)
-{
+zip_source_make_command_bitmap(zip_source_cmd_t cmd0, ...) {
zip_int64_t bitmap;
va_list ap;
-
+
bitmap = ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd0);
-
-
-
+
+
va_start(ap, cmd0);
for (;;) {
int cmd = va_arg(ap, int);
@@ -63,6 +64,11 @@ zip_source_make_command_bitmap(zip_source_cmd_t cmd0, ...)
bitmap |= ZIP_SOURCE_MAKE_COMMAND_BITMASK(cmd);
}
va_end(ap);
-
+
return bitmap;
}
+
+
+ZIP_EXTERN int zip_source_is_seekable(zip_source_t *src) {
+ return ZIP_SOURCE_CHECK_SUPPORTED(zip_source_supports(src->src), ZIP_SOURCE_SEEK);
+}