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v28
libkmod/libkmod-internal.h
205 строк
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Yauheni Kaliuta
libkmod: kmod_log_null: qualify ctx argument as const
01 дек 2020, 11:44
01 дек 2020, 11:44
95ed3e7
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#pragma once #include <stdbool.h> #include <stdio.h> #include <syslog.h> #include <limits.h> #include <shared/macro.h> #include <shared/missing.h> #include "libkmod.h" static _always_inline_ _printf_format_(2, 3) void kmod_log_null(const struct kmod_ctx *ctx, const char *format, ...) {} #define kmod_log_cond(ctx, prio, arg...) \ do { \ if (kmod_get_log_priority(ctx) >= prio) \ kmod_log(ctx, prio, __FILE__, __LINE__, __func__, ## arg);\ } while (0) #ifdef ENABLE_LOGGING # ifdef ENABLE_DEBUG # define DBG(ctx, arg...) kmod_log_cond(ctx, LOG_DEBUG, ## arg) # else # define DBG(ctx, arg...) kmod_log_null(ctx, ## arg) # endif # define INFO(ctx, arg...) kmod_log_cond(ctx, LOG_INFO, ## arg) # define ERR(ctx, arg...) kmod_log_cond(ctx, LOG_ERR, ## arg) #else # define DBG(ctx, arg...) kmod_log_null(ctx, ## arg) # define INFO(ctx, arg...) kmod_log_null(ctx, ## arg) # define ERR(ctx, arg...) kmod_log_null(ctx, ## arg) #endif #define KMOD_EXPORT __attribute__ ((visibility("default"))) #define KCMD_LINE_SIZE 4096 #ifndef HAVE_SECURE_GETENV # ifdef HAVE___SECURE_GETENV # define secure_getenv __secure_getenv # else # warning neither secure_getenv nor __secure_getenv is available # define secure_getenv getenv # endif #endif void kmod_log(const struct kmod_ctx *ctx, int priority, const char *file, int line, const char *fn, const char *format, ...) __attribute__((format(printf, 6, 7))) __attribute__((nonnull(1, 3, 5))); struct list_node { struct list_node *next, *prev; }; struct kmod_list { struct list_node node; void *data; }; struct kmod_list *kmod_list_append(struct kmod_list *list, const void *data) _must_check_ __attribute__((nonnull(2))); struct kmod_list *kmod_list_prepend(struct kmod_list *list, const void *data) _must_check_ __attribute__((nonnull(2))); struct kmod_list *kmod_list_remove(struct kmod_list *list) _must_check_; struct kmod_list *kmod_list_remove_data(struct kmod_list *list, const void *data) _must_check_ __attribute__((nonnull(2))); struct kmod_list *kmod_list_remove_n_latest(struct kmod_list *list, unsigned int n) _must_check_; struct kmod_list *kmod_list_insert_after(struct kmod_list *list, const void *data) __attribute__((nonnull(2))); struct kmod_list *kmod_list_insert_before(struct kmod_list *list, const void *data) __attribute__((nonnull(2))); struct kmod_list *kmod_list_append_list(struct kmod_list *list1, struct kmod_list *list2) _must_check_; #undef kmod_list_foreach #define kmod_list_foreach(list_entry, first_entry) \ for (list_entry = ((first_entry) == NULL) ? NULL : (first_entry); \ list_entry != NULL; \ list_entry = (list_entry->node.next == &((first_entry)->node)) ? NULL : \ container_of(list_entry->node.next, struct kmod_list, node)) #undef kmod_list_foreach_reverse #define kmod_list_foreach_reverse(list_entry, first_entry) \ for (list_entry = (((first_entry) == NULL) ? NULL : container_of(first_entry->node.prev, struct kmod_list, node)); \ list_entry != NULL; \ list_entry = ((list_entry == first_entry) ? NULL : \ container_of(list_entry->node.prev, struct kmod_list, node))) /* libkmod.c */ int kmod_lookup_alias_from_config(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); int kmod_lookup_alias_from_symbols_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); int kmod_lookup_alias_from_aliases_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); int kmod_lookup_alias_from_moddep_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); int kmod_lookup_alias_from_kernel_builtin_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); int kmod_lookup_alias_from_builtin_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); bool kmod_lookup_alias_is_builtin(struct kmod_ctx *ctx, const char *name) __attribute__((nonnull(1, 2))); int kmod_lookup_alias_from_commands(struct kmod_ctx *ctx, const char *name, struct kmod_list **list) __attribute__((nonnull(1, 2, 3))); void kmod_set_modules_visited(struct kmod_ctx *ctx, bool visited) __attribute__((nonnull((1)))); void kmod_set_modules_required(struct kmod_ctx *ctx, bool required) __attribute__((nonnull((1)))); char *kmod_search_moddep(struct kmod_ctx *ctx, const char *name) __attribute__((nonnull(1,2))); struct kmod_module *kmod_pool_get_module(struct kmod_ctx *ctx, const char *key) __attribute__((nonnull(1,2))); void kmod_pool_add_module(struct kmod_ctx *ctx, struct kmod_module *mod, const char *key) __attribute__((nonnull(1, 2, 3))); void kmod_pool_del_module(struct kmod_ctx *ctx, struct kmod_module *mod, const char *key) __attribute__((nonnull(1, 2, 3))); const struct kmod_config *kmod_get_config(const struct kmod_ctx *ctx) __attribute__((nonnull(1))); /* libkmod-config.c */ struct kmod_config_path { unsigned long long stamp; char path[]; }; struct kmod_config { struct kmod_ctx *ctx; struct kmod_list *aliases; struct kmod_list *blacklists; struct kmod_list *options; struct kmod_list *remove_commands; struct kmod_list *install_commands; struct kmod_list *softdeps; struct kmod_list *paths; }; int kmod_config_new(struct kmod_ctx *ctx, struct kmod_config **config, const char * const *config_paths) __attribute__((nonnull(1, 2,3))); void kmod_config_free(struct kmod_config *config) __attribute__((nonnull(1))); const char *kmod_blacklist_get_modname(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_alias_get_name(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_alias_get_modname(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_option_get_options(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_option_get_modname(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_command_get_command(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_command_get_modname(const struct kmod_list *l) __attribute__((nonnull(1))); const char *kmod_softdep_get_name(const struct kmod_list *l) __attribute__((nonnull(1))); const char * const *kmod_softdep_get_pre(const struct kmod_list *l, unsigned int *count) __attribute__((nonnull(1, 2))); const char * const *kmod_softdep_get_post(const struct kmod_list *l, unsigned int *count); /* libkmod-module.c */ int kmod_module_new_from_alias(struct kmod_ctx *ctx, const char *alias, const char *name, struct kmod_module **mod); int kmod_module_parse_depline(struct kmod_module *mod, char *line) __attribute__((nonnull(1, 2))); void kmod_module_set_install_commands(struct kmod_module *mod, const char *cmd) __attribute__((nonnull(1))); void kmod_module_set_remove_commands(struct kmod_module *mod, const char *cmd) __attribute__((nonnull(1))); void kmod_module_set_visited(struct kmod_module *mod, bool visited) __attribute__((nonnull(1))); void kmod_module_set_builtin(struct kmod_module *mod, bool builtin) __attribute__((nonnull((1)))); void kmod_module_set_required(struct kmod_module *mod, bool required) __attribute__((nonnull(1))); bool kmod_module_is_builtin(struct kmod_module *mod) __attribute__((nonnull(1))); int kmod_module_get_builtin(struct kmod_ctx *ctx, struct kmod_list **list) __attribute__((nonnull(1, 2))); /* libkmod-file.c */ struct kmod_file *kmod_file_open(const struct kmod_ctx *ctx, const char *filename) _must_check_ __attribute__((nonnull(1,2))); struct kmod_elf *kmod_file_get_elf(struct kmod_file *file) __attribute__((nonnull(1))); void *kmod_file_get_contents(const struct kmod_file *file) _must_check_ __attribute__((nonnull(1))); off_t kmod_file_get_size(const struct kmod_file *file) _must_check_ __attribute__((nonnull(1))); bool kmod_file_get_direct(const struct kmod_file *file) _must_check_ __attribute__((nonnull(1))); int kmod_file_get_fd(const struct kmod_file *file) _must_check_ __attribute__((nonnull(1))); void kmod_file_unref(struct kmod_file *file) __attribute__((nonnull(1))); /* libkmod-elf.c */ struct kmod_elf; struct kmod_modversion { uint64_t crc; enum kmod_symbol_bind bind; char *symbol; }; struct kmod_elf *kmod_elf_new(const void *memory, off_t size) _must_check_ __attribute__((nonnull(1))); void kmod_elf_unref(struct kmod_elf *elf) __attribute__((nonnull(1))); const void *kmod_elf_get_memory(const struct kmod_elf *elf) _must_check_ __attribute__((nonnull(1))); int kmod_elf_get_strings(const struct kmod_elf *elf, const char *section, char ***array) _must_check_ __attribute__((nonnull(1,2,3))); int kmod_elf_get_modversions(const struct kmod_elf *elf, struct kmod_modversion **array) _must_check_ __attribute__((nonnull(1,2))); int kmod_elf_get_symbols(const struct kmod_elf *elf, struct kmod_modversion **array) _must_check_ __attribute__((nonnull(1,2))); int kmod_elf_get_dependency_symbols(const struct kmod_elf *elf, struct kmod_modversion **array) _must_check_ __attribute__((nonnull(1,2))); int kmod_elf_strip_section(struct kmod_elf *elf, const char *section) _must_check_ __attribute__((nonnull(1,2))); int kmod_elf_strip_vermagic(struct kmod_elf *elf) _must_check_ __attribute__((nonnull(1))); /* * Debug mock lib need to find section ".gnu.linkonce.this_module" in order to * get modname */ int kmod_elf_get_section(const struct kmod_elf *elf, const char *section, const void **buf, uint64_t *buf_size) _must_check_ __attribute__((nonnull(1,2,3,4))); /* libkmod-signature.c */ struct kmod_signature_info { const char *signer; size_t signer_len; const char *key_id; size_t key_id_len; const char *algo, *hash_algo, *id_type; const char *sig; size_t sig_len; void (*free)(void *); void *private; }; bool kmod_module_signature_info(const struct kmod_file *file, struct kmod_signature_info *sig_info) _must_check_ __attribute__((nonnull(1, 2))); void kmod_module_signature_info_free(struct kmod_signature_info *sig_info) __attribute__((nonnull)); /* libkmod-builtin.c */ struct kmod_builtin_iter; struct kmod_builtin_iter *kmod_builtin_iter_new(struct kmod_ctx *ctx) __attribute__((nonnull(1))); void kmod_builtin_iter_free(struct kmod_builtin_iter *iter) __attribute__((nonnull(1))); bool kmod_builtin_iter_next(struct kmod_builtin_iter *iter) __attribute__((nonnull(1))); bool kmod_builtin_iter_get_modname(struct kmod_builtin_iter *iter, char modname[static PATH_MAX]) __attribute__((nonnull(1, 2))); ssize_t kmod_builtin_get_modinfo(struct kmod_ctx *ctx, const char *modname, char ***modinfo) __attribute__((nonnull(1, 2, 3)));