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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <sys/types.h>
#include "architecture.h"
typedef enum PickFlags {
PICK_ARCHITECTURE = 1 << 0, /* Look for an architecture suffix */
PICK_TRIES = 1 << 1, /* Look for tries left/tries done counters */
PICK_RESOLVE = 1 << 2, /* Return the fully resolved (chased) path, rather than the path to the entry */
} PickFlags;
typedef struct PickFilter {
uint32_t type_mask; /* A mask of 1U << DT_REG, 1U << DT_DIR, … */
const char *basename; /* Can be overridden by search pattern */
const char *version;
Architecture architecture;
char * const *suffix; /* Can be overridden by search pattern */
} PickFilter;
typedef struct PickResult {
char *path;
int fd; /* O_PATH */
struct stat st;
char *version;
Architecture architecture;
unsigned tries_left;
unsigned tries_done;
} PickResult;
#define PICK_RESULT_NULL \
(const PickResult) { \
.fd = -EBADF, \
.st.st_mode = MODE_INVALID, \
.architecture = _ARCHITECTURE_INVALID, \
.tries_left = UINT_MAX, \
.tries_done = UINT_MAX, \
}
#define TAKE_PICK_RESULT(pick) TAKE_GENERIC(pick, PickResult, PICK_RESULT_NULL)
void pick_result_done(PickResult *p);
int path_pick(
const char *toplevel_path,
int toplevel_fd,
const char *path,
const PickFilter *filter,
PickFlags flags,
PickResult *ret);
int path_pick_update_warn(
char **path,
const PickFilter *filter,
PickFlags flags,
PickResult *ret);
extern const PickFilter pick_filter_image_raw;
extern const PickFilter pick_filter_image_dir;
extern const PickFilter pick_filter_image_any;
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