zip_file_replace.c File Reference

#include "zipint.h"

Go to the source code of this file.

Functions
ZIP_EXTERN int	zip_file_replace (zip_t *za, zip_uint64_t idx, zip_source_t *source, zip_flags_t flags)
zip_int64_t	_zip_file_replace (zip_t *za, zip_uint64_t idx, const char *name, zip_source_t *source, zip_flags_t flags)

Function Documentation

_zip_file_replace()

zip_int64_t _zip_file_replace	(	zip_t *	za,
		zip_uint64_t	idx,
		const char *	name,
		zip_source_t *	source,
		zip_flags_t	flags
	)

Definition at line 55 of file zip_file_replace.c.

                                                                                                          {
    zip_uint64_t za_nentry_prev;
 
    if (ZIP_IS_RDONLY(za)) {
        zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
        return -1;
    }
 
    za_nentry_prev = za->nentry;
    if (idx == ZIP_UINT64_MAX) {
        zip_int64_t i = -1;
 
        if (flags & ZIP_FL_OVERWRITE)
            i = _zip_name_locate(za, name, flags, NULL);
 
        if (i == -1) {
            /* create and use new entry, used by zip_add */
            if ((i = _zip_add_entry(za)) < 0)
                return -1;
        }
        idx = (zip_uint64_t)i;
    }
 
    if (name && _zip_set_name(za, idx, name, flags) != 0) {
        if (za->nentry != za_nentry_prev) {
            _zip_entry_finalize(za->entry + idx);
            za->nentry = za_nentry_prev;
        }
        return -1;
    }
 
    /* does not change any name related data, so we can do it here;
     * needed for a double add of the same file name */
    _zip_unchange_data(za->entry + idx);
 
    if (za->entry[idx].orig != NULL && (za->entry[idx].changes == NULL || (za->entry[idx].changes->changed & ZIP_DIRENT_COMP_METHOD) == 0)) {
        if (za->entry[idx].changes == NULL) {
            if ((za->entry[idx].changes = _zip_dirent_clone(za->entry[idx].orig)) == NULL) {
                zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
                return -1;
            }
        }
 
        za->entry[idx].changes->comp_method = ZIP_CM_REPLACED_DEFAULT;
        za->entry[idx].changes->changed |= ZIP_DIRENT_COMP_METHOD;
    }
 
    za->entry[idx].source = source;
 
    return (zip_int64_t)idx;
}

References _zip_add_entry(), _zip_dirent_clone(), _zip_entry_finalize(), _zip_name_locate(), _zip_set_name(), _zip_unchange_data(), zip_dirent::changed, zip_entry::changes, zip_dirent::comp_method, zip::entry, zip::error, flags, i, setup::idx, zip::nentry, NULL, zip_entry::orig, zip_entry::source, source, za, ZIP_CM_REPLACED_DEFAULT, ZIP_DIRENT_COMP_METHOD, ZIP_ER_MEMORY, ZIP_ER_RDONLY, zip_error_set(), ZIP_FL_OVERWRITE, ZIP_IS_RDONLY, and ZIP_UINT64_MAX.

Referenced by zip_dir_add(), zip_file_add(), and zip_file_replace().

zip_file_replace()

ZIP_EXTERN int zip_file_replace	(	zip_t *	za,
		zip_uint64_t	idx,
		zip_source_t *	source,
		zip_flags_t	flags
	)

Definition at line 39 of file zip_file_replace.c.

                                                                                       {
    if (idx >= za->nentry || source == NULL) {
        zip_error_set(&za->error, ZIP_ER_INVAL, 0);
        return -1;
    }
 
    if (_zip_file_replace(za, idx, NULL, source, flags) == -1)
        return -1;
 
    return 0;
}

References _zip_file_replace(), zip::error, flags, setup::idx, zip::nentry, NULL, source, za, ZIP_ER_INVAL, and zip_error_set().

Referenced by replace_file_contents(), and zip_replace().