libkmod/libkmod-private.h

   1 #ifndef _LIBKMOD_PRIVATE_H_
   2 #define _LIBKMOD_PRIVATE_H_
   3
   4 #include <stdbool.h>
   5 #include <stdio.h>
   6 #include <syslog.h>
   7
   8 #include "macro.h"
   9 #include "libkmod.h"
  10
  11 static __always_inline __printf_format(2, 3) void
  12         kmod_log_null(struct kmod_ctx *ctx, const char *format, ...) {}
  13
  14 #define kmod_log_cond(ctx, prio, arg...) \
  15         do { \
  16                 if (kmod_get_log_priority(ctx) >= prio) \
  17                 kmod_log(ctx, prio, __FILE__, __LINE__, __FUNCTION__, ## arg);\
  18         } while (0)
  19
  20 #ifdef ENABLE_LOGGING
  21 #  ifdef ENABLE_DEBUG
  22 #    define DBG(ctx, arg...) kmod_log_cond(ctx, LOG_DEBUG, ## arg)
  23 #  else
  24 #    define DBG(ctx, arg...) kmod_log_null(ctx, ## arg)
  25 #  endif
  26 #  define INFO(ctx, arg...) kmod_log_cond(ctx, LOG_INFO, ## arg)
  27 #  define ERR(ctx, arg...) kmod_log_cond(ctx, LOG_ERR, ## arg)
  28 #else
  29 #  define DBG(ctx, arg...) kmod_log_null(ctx, ## arg)
  30 #  define INFO(ctx, arg...) kmod_log_null(ctx, ## arg)
  31 #  define ERR(ctx, arg...) kmod_log_null(ctx, ## arg)
  32 #endif
  33
  34 #define KMOD_EXPORT __attribute__ ((visibility("default")))
  35
  36 void kmod_log(struct kmod_ctx *ctx,
  37                 int priority, const char *file, int line, const char *fn,
  38                 const char *format, ...) __attribute__((format(printf, 6, 7)));
  39
  40 struct list_node {
  41         struct list_node *next, *prev;
  42 };
  43
  44 struct kmod_list {
  45         struct list_node node;
  46         void *data;
  47 };
  48
  49 struct kmod_list *kmod_list_append(struct kmod_list *list, void *data) __must_check;
  50 struct kmod_list *kmod_list_prepend(struct kmod_list *list, void *data) __must_check;
  51 struct kmod_list *kmod_list_remove(struct kmod_list *list);
  52 struct kmod_list *kmod_list_remove_data(struct kmod_list *list,
  53                                         const void *data) __must_check;
  54 struct kmod_list *kmod_list_remove_n_latest(struct kmod_list *list,
  55                                                 unsigned int n) __must_check;
  56
  57 /* libkmod.c */
  58 const char *kmod_get_dirname(struct kmod_ctx *ctx) __attribute__((nonnull(1)));
  59 int kmod_lookup_alias_from_config(struct kmod_ctx *ctx, const char *name, struct kmod_list **list);
  60 int kmod_lookup_alias_from_symbols_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list);
  61 int kmod_lookup_alias_from_aliases_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list);
  62 int kmod_lookup_alias_from_moddep_file(struct kmod_ctx *ctx, const char *name, struct kmod_list **list);
  63
  64 /* libkmod-config.c */
  65 struct kmod_config {
  66         struct kmod_list *aliases;
  67         struct kmod_list *blacklists;
  68 };
  69 int kmod_parse_config_file(struct kmod_ctx *ctx, const char *filename, struct kmod_config *config);
  70 int kmod_parse_config(struct kmod_ctx *ctx, struct kmod_config *config);
  71 void kmod_free_config(struct kmod_ctx *ctx, struct kmod_config *config);
  72 const char *kmod_alias_get_name(const struct kmod_list *l);
  73 const char *kmod_alias_get_modname(const struct kmod_list *l);
  74
  75 /* libkmod-module.c */
  76 int kmod_module_parse_dep(struct kmod_module *mod, char *line);
  77
  78 /* util functions */
  79 char *getline_wrapped(FILE *fp, unsigned int *linenum);
  80 char *underscores(struct kmod_ctx *ctx, char *s);
  81 #define streq(a, b) (strcmp((a), (b)) == 0)
  82 bool startswith(const char *s, const char *prefix);
  83
  84 #endif