zip_source_get_file_attributes.c File Reference

#include "zipint.h"

Go to the source code of this file.

Functions
ZIP_EXTERN void	zip_file_attributes_init (zip_file_attributes_t *attributes)
int	zip_source_get_file_attributes (zip_source_t *src, zip_file_attributes_t *attributes)

Function Documentation

zip_file_attributes_init()

ZIP_EXTERN void zip_file_attributes_init

(

zip_file_attributes_t *

attributes

)

Definition at line 37 of file zip_source_get_file_attributes.c.

                                                            {
    attributes->valid = 0;
    attributes->version = 1;
}

References zip_file_attributes::valid, and zip_file_attributes::version.

Referenced by _zip_file_attributes_from_dirent(), _zip_source_window_new(), zip_source_buffer_fragment_with_attributes_create(), zip_source_file_common_new(), and zip_source_get_file_attributes().

zip_source_get_file_attributes()

int zip_source_get_file_attributes	(	zip_source_t *	src,
		zip_file_attributes_t *	attributes
	)

Definition at line 43 of file zip_source_get_file_attributes.c.

                                                                                     {
    if (src->source_closed) {
        return -1;
    }
    if (attributes == NULL) {
        zip_error_set(&src->error, ZIP_ER_INVAL, 0);
        return -1;
    }
 
    zip_file_attributes_init(attributes);
 
    if (src->supports & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_GET_FILE_ATTRIBUTES)) {
        if (_zip_source_call(src, attributes, sizeof(*attributes), ZIP_SOURCE_GET_FILE_ATTRIBUTES) < 0) {
            return -1;
        }
    }
 
    if (ZIP_SOURCE_IS_LAYERED(src)) {
        zip_file_attributes_t lower_attributes;
 
        if (zip_source_get_file_attributes(src->src, &lower_attributes) < 0) {
            _zip_error_set_from_source(&src->error, src->src);
            return -1;
        }
 
        if ((lower_attributes.valid & ZIP_FILE_ATTRIBUTES_HOST_SYSTEM) && (attributes->valid & ZIP_FILE_ATTRIBUTES_HOST_SYSTEM) == 0) {
            attributes->host_system = lower_attributes.host_system;
            attributes->valid |= ZIP_FILE_ATTRIBUTES_HOST_SYSTEM;
        }
        if ((lower_attributes.valid & ZIP_FILE_ATTRIBUTES_ASCII) && (attributes->valid & ZIP_FILE_ATTRIBUTES_ASCII) == 0) {
            attributes->ascii = lower_attributes.ascii;
            attributes->valid |= ZIP_FILE_ATTRIBUTES_ASCII;
        }
        if ((lower_attributes.valid & ZIP_FILE_ATTRIBUTES_VERSION_NEEDED)) {
            if (attributes->valid & ZIP_FILE_ATTRIBUTES_VERSION_NEEDED) {
                attributes->version_needed = ZIP_MAX(lower_attributes.version_needed, attributes->version_needed);
            }
            else {
                attributes->version_needed = lower_attributes.version_needed;
                attributes->valid |= ZIP_FILE_ATTRIBUTES_VERSION_NEEDED;
            }
        }
        if ((lower_attributes.valid & ZIP_FILE_ATTRIBUTES_EXTERNAL_FILE_ATTRIBUTES) && (attributes->valid & ZIP_FILE_ATTRIBUTES_EXTERNAL_FILE_ATTRIBUTES) == 0) {
            attributes->external_file_attributes = lower_attributes.external_file_attributes;
            attributes->valid |= ZIP_FILE_ATTRIBUTES_EXTERNAL_FILE_ATTRIBUTES;
        }
        if ((lower_attributes.valid & ZIP_FILE_ATTRIBUTES_GENERAL_PURPOSE_BIT_FLAGS)) {
            if (attributes->valid & ZIP_FILE_ATTRIBUTES_GENERAL_PURPOSE_BIT_FLAGS) {
        /* only take from lower level what is not defined at current level */
        lower_attributes.general_purpose_bit_mask &= ~attributes->general_purpose_bit_mask;
 
                attributes->general_purpose_bit_flags |= lower_attributes.general_purpose_bit_flags & lower_attributes.general_purpose_bit_mask;
                attributes->general_purpose_bit_mask |= lower_attributes.general_purpose_bit_mask;
            }
            else {
                attributes->valid |= ZIP_FILE_ATTRIBUTES_GENERAL_PURPOSE_BIT_FLAGS;
                attributes->general_purpose_bit_flags = lower_attributes.general_purpose_bit_flags;
                attributes->general_purpose_bit_mask = lower_attributes.general_purpose_bit_mask;
            }
        }
    }
 
    return 0;
}

References _zip_error_set_from_source(), _zip_source_call(), zip_file_attributes::ascii, zip_file_attributes::external_file_attributes, zip_file_attributes::general_purpose_bit_flags, zip_file_attributes::general_purpose_bit_mask, zip_file_attributes::host_system, NULL, src, zip_file_attributes::valid, zip_file_attributes::version_needed, ZIP_ER_INVAL, zip_error_set(), ZIP_FILE_ATTRIBUTES_ASCII, ZIP_FILE_ATTRIBUTES_EXTERNAL_FILE_ATTRIBUTES, ZIP_FILE_ATTRIBUTES_GENERAL_PURPOSE_BIT_FLAGS, ZIP_FILE_ATTRIBUTES_HOST_SYSTEM, zip_file_attributes_init(), ZIP_FILE_ATTRIBUTES_VERSION_NEEDED, ZIP_MAX, ZIP_SOURCE_GET_FILE_ATTRIBUTES, zip_source_get_file_attributes(), ZIP_SOURCE_IS_LAYERED, and ZIP_SOURCE_MAKE_COMMAND_BITMASK.

Referenced by add_data(), compress_callback(), and zip_source_get_file_attributes().