Convert CONFIG_SYS_MAX_NAND_DEVICE to Kconfig

[platform/kernel/u-boot.git] / include / search.h

diff --git a/include/search.h b/include/search.h
index 84fc5fd..7faf23f 100644 (file)
--- a/include/search.h
+++ b/include/search.h
@@ -17,7 +17,7 @@
 #include <env.h>
 #include <stddef.h>
 
-#define __set_errno(val) do { errno = val; } while (0)
+#define set_errno(val) do { errno = val; } while (0)
 
 /* enum env_action: action which shall be performed in the call to hsearch */
 enum env_action {
@@ -29,8 +29,10 @@ enum env_action {
 struct env_entry {
        const char *key;
        char *data;
+#ifndef CONFIG_SPL_BUILD
        int (*callback)(const char *name, const char *value, enum env_op op,
                int flags);
+#endif
        int flags;
 };
 
@@ -47,58 +49,63 @@ struct hsearch_data {
        unsigned int filled;
 /*
  * Callback function which will check whether the given change for variable
- * "__item" to "newval" may be applied or not, and possibly apply such change.
+ * "item" to "newval" may be applied or not, and possibly apply such change.
  * When (flag & H_FORCE) is set, it shall not print out any error message and
  * shall force overwriting of write-once variables.
  * Must return 0 for approval, 1 for denial.
  */
-       int (*change_ok)(const struct env_entry *__item, const char *newval,
+       int (*change_ok)(const struct env_entry *item, const char *newval,
                         enum env_op, int flag);
 };
 
-/* Create a new hash table which will contain at most "__nel" elements.  */
-extern int hcreate_r(size_t __nel, struct hsearch_data *__htab);
+/* Create a new hash table which will contain at most "nel" elements.  */
+int hcreate_r(size_t nel, struct hsearch_data *htab);
 
 /* Destroy current internal hash table.  */
-extern void hdestroy_r(struct hsearch_data *__htab);
+void hdestroy_r(struct hsearch_data *htab);
 
 /*
- * Search for entry matching __item.key in internal hash table.  If
- * __action is `ENV_FIND' return found entry or signal error by returning
- * NULL.  If __action is `ENV_ENTER' replace existing data (if any) with
- * __item.data.
+ * Search for entry matching item.key in internal hash table.  If
+ * action is `ENV_FIND' return found entry or signal error by returning
+ * NULL.  If action is `ENV_ENTER' replace existing data (if any) with
+ * item.data.
  * */
-extern int hsearch_r(struct env_entry __item, enum env_action __action,
-                    struct env_entry **__retval, struct hsearch_data *__htab,
-                    int __flag);
+int hsearch_r(struct env_entry item, enum env_action action,
+             struct env_entry **retval, struct hsearch_data *htab, int flag);
 
 /*
- * Search for an entry matching "__match".  Otherwise, Same semantics
+ * Search for an entry matching "match".  Otherwise, Same semantics
  * as hsearch_r().
  */
-extern int hmatch_r(const char *__match, int __last_idx,
-                   struct env_entry **__retval, struct hsearch_data *__htab);
-
-/* Search and delete entry matching "__key" in internal hash table. */
-extern int hdelete_r(const char *__key, struct hsearch_data *__htab,
-                    int __flag);
+int hmatch_r(const char *match, int last_idx, struct env_entry **retval,
+            struct hsearch_data *htab);
+
+/**
+ * hdelete_r() - Search and delete entry in internal hash table
+ *
+ * @key: Name of entry to delete
+ * @htab: Hash table
+ * @flag: Flags to use (H_...)
+ * Return: 0 on success, -ENOENT if not found, -EPERM if the hash table callback
+ *     rejected changing the variable, -EINVAL if the hash table refused to
+ *     delete the variable
+ */
+int hdelete_r(const char *key, struct hsearch_data *htab, int flag);
 
-extern ssize_t hexport_r(struct hsearch_data *__htab,
-                    const char __sep, int __flag, char **__resp, size_t __size,
-                    int argc, char * const argv[]);
+ssize_t hexport_r(struct hsearch_data *htab, const char sep, int flag,
+                 char **resp, size_t size, int argc, char *const argv[]);
 
 /*
  * nvars: length of vars array
  * vars: array of strings (variable names) to import (nvars == 0 means all)
  */
-extern int himport_r(struct hsearch_data *__htab,
-                    const char *__env, size_t __size, const char __sep,
-                    int __flag, int __crlf_is_lf, int nvars,
-                    char * const vars[]);
+int himport_r(struct hsearch_data *htab, const char *env, size_t size,
+             const char sep, int flag, int crlf_is_lf, int nvars,
+             char * const vars[]);
 
 /* Walk the whole table calling the callback on each element */
-extern int hwalk_r(struct hsearch_data *__htab,
-                  int (*callback)(struct env_entry *entry));
+int hwalk_r(struct hsearch_data *htab,
+           int (*callback)(struct env_entry *entry));
 
 /* Flags for himport_r(), hexport_r(), hdelete_r(), and hsearch_r() */
 #define H_NOCLEAR      (1 << 0) /* do not clear hash table before importing */
@@ -114,5 +121,7 @@ extern int hwalk_r(struct hsearch_data *__htab,
 #define H_MATCH_METHOD (H_MATCH_IDENT | H_MATCH_SUBSTR | H_MATCH_REGEX)
 #define H_PROGRAMMATIC (1 << 9) /* indicate that an import is from env_set() */
 #define H_ORIGIN_FLAGS (H_INTERACTIVE | H_PROGRAMMATIC)
+#define H_DEFAULT      (1 << 10) /* indicate that an import is default env */
+#define H_EXTERNAL     (1 << 11) /* indicate that an import is external env */
 
 #endif /* _SEARCH_H_ */