zip_unchange.c File Reference

#include <stdlib.h>
#include "zipint.h"

Go to the source code of this file.

Functions
ZIP_EXTERN int	zip_unchange (zip_t *za, zip_uint64_t idx)
int	_zip_unchange (zip_t *za, zip_uint64_t idx, int allow_duplicates)

Function Documentation

_zip_unchange()

int _zip_unchange	(	zip_t *	za,
		zip_uint64_t	idx,
		int	allow_duplicates
	)

Definition at line 47 of file zip_unchange.c.

                                                                 {
    zip_int64_t i;
    bool renamed;
 
    if (idx >= za->nentry) {
        zip_error_set(&za->error, ZIP_ER_INVAL, 0);
        return -1;
    }
 
    renamed = za->entry[idx].changes && (za->entry[idx].changes->changed & ZIP_DIRENT_FILENAME);
    if (!allow_duplicates && (renamed || za->entry[idx].deleted)) {
        const char *orig_name = NULL;
        const char *changed_name = NULL;
 
        if (za->entry[idx].orig != NULL) {
            if ((orig_name = _zip_get_name(za, idx, ZIP_FL_UNCHANGED, &za->error)) == NULL) {
                return -1;
            }
 
            i = _zip_name_locate(za, orig_name, 0, NULL);
            if (i >= 0 && (zip_uint64_t)i != idx) {
                zip_error_set(&za->error, ZIP_ER_EXISTS, 0);
                return -1;
            }
        }
 
        if (renamed) {
            if ((changed_name = _zip_get_name(za, idx, 0, &za->error)) == NULL) {
                return -1;
            }
        }
 
        if (orig_name) {
            if (_zip_hash_add(za->names, (const zip_uint8_t *)orig_name, idx, 0, &za->error) == false) {
                return -1;
            }
        }
        if (changed_name) {
            if (_zip_hash_delete(za->names, (const zip_uint8_t *)changed_name, &za->error) == false) {
                _zip_hash_delete(za->names, (const zip_uint8_t *)orig_name, NULL);
                return -1;
            }
        }
    }
 
    _zip_dirent_free(za->entry[idx].changes);
    za->entry[idx].changes = NULL;
 
    _zip_unchange_data(za->entry + idx);
 
    return 0;
}

References _zip_dirent_free(), _zip_get_name(), _zip_hash_add(), _zip_hash_delete(), _zip_name_locate(), _zip_unchange_data(), zip_dirent::changed, zip_entry::changes, zip_entry::deleted, zip::entry, zip::error, i, setup::idx, zip::names, zip::nentry, NULL, zip_entry::orig, za, ZIP_DIRENT_FILENAME, ZIP_ER_EXISTS, ZIP_ER_INVAL, zip_error_set(), and ZIP_FL_UNCHANGED.

Referenced by zip_delete(), zip_unchange(), and zip_unchange_all().

zip_unchange()

ZIP_EXTERN int zip_unchange	(	zip_t *	za,
		zip_uint64_t	idx
	)

Definition at line 41 of file zip_unchange.c.

                                          {
    return _zip_unchange(za, idx, 0);
}

References _zip_unchange(), setup::idx, and za.

Referenced by unchange_one().