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https://github.com/morgan9e/systemd
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73ce91a05a
The function returns non-negative UnitNameFlags on success, and negative errno on error. In the past we kept the return type as int because of those negative return values. But nowadays _UNIT_NAME_INVALID == -EINVAL. And if we tried to actually return something that doesn't fit in the return type, the compiler would throw an error. By changing to the "real" return type, we allow the debugger to use symbolic representation for the variables.
65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#pragma once
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#include <stdbool.h>
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#include "macro.h"
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#include "unit-def.h"
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#define UNIT_NAME_MAX 256
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typedef enum UnitNameFlags {
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UNIT_NAME_PLAIN = 1 << 0, /* Allow foo.service */
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UNIT_NAME_TEMPLATE = 1 << 1, /* Allow foo@.service */
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UNIT_NAME_INSTANCE = 1 << 2, /* Allow foo@bar.service */
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UNIT_NAME_ANY = UNIT_NAME_PLAIN|UNIT_NAME_TEMPLATE|UNIT_NAME_INSTANCE,
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_UNIT_NAME_INVALID = -EINVAL,
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} UnitNameFlags;
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bool unit_name_is_valid(const char *n, UnitNameFlags flags) _pure_;
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bool unit_prefix_is_valid(const char *p) _pure_;
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bool unit_instance_is_valid(const char *i) _pure_;
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bool unit_suffix_is_valid(const char *s) _pure_;
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int unit_name_to_prefix(const char *n, char **ret);
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UnitNameFlags unit_name_to_instance(const char *n, char **ret);
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static inline UnitNameFlags unit_name_classify(const char *n) {
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return unit_name_to_instance(n, NULL);
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}
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int unit_name_to_prefix_and_instance(const char *n, char **ret);
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UnitType unit_name_to_type(const char *n) _pure_;
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int unit_name_change_suffix(const char *n, const char *suffix, char **ret);
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int unit_name_build(const char *prefix, const char *instance, const char *suffix, char **ret);
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int unit_name_build_from_type(const char *prefix, const char *instance, UnitType, char **ret);
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char *unit_name_escape(const char *f);
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int unit_name_unescape(const char *f, char **ret);
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int unit_name_path_escape(const char *f, char **ret);
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int unit_name_path_unescape(const char *f, char **ret);
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int unit_name_replace_instance(const char *f, const char *i, char **ret);
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int unit_name_template(const char *f, char **ret);
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int unit_name_from_path(const char *path, const char *suffix, char **ret);
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int unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix, char **ret);
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int unit_name_to_path(const char *name, char **ret);
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typedef enum UnitNameMangle {
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UNIT_NAME_MANGLE_GLOB = 1 << 0,
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UNIT_NAME_MANGLE_WARN = 1 << 1,
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} UnitNameMangle;
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int unit_name_mangle_with_suffix(const char *name, const char *operation, UnitNameMangle flags, const char *suffix, char **ret);
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static inline int unit_name_mangle(const char *name, UnitNameMangle flags, char **ret) {
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return unit_name_mangle_with_suffix(name, NULL, flags, ".service", ret);
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}
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int slice_build_parent_slice(const char *slice, char **ret);
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int slice_build_subslice(const char *slice, const char *name, char **subslice);
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bool slice_name_is_valid(const char *name);
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