diff options
Diffstat (limited to 'include/search.h')
| -rw-r--r-- | include/search.h | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/include/search.h b/include/search.h index 343dbc3d48..402dfd84fb 100644 --- a/include/search.h +++ b/include/search.h @@ -12,8 +12,8 @@ * Copyright (C) 2010-2013 Wolfgang Denk <wd@denx.de> */ -#ifndef _SEARCH_H -#define _SEARCH_H 1 +#ifndef _SEARCH_H_ +#define _SEARCH_H_ #include <stddef.h> @@ -25,7 +25,7 @@ enum env_op { env_op_overwrite, }; -/* Action which shall be performed in the call the hsearch. */ +/* Action which shall be performed in the call to hsearch. */ typedef enum { FIND, ENTER @@ -45,7 +45,7 @@ struct _ENTRY; /* * Family of hash table handling functions. The functions also * have reentrant counterparts ending with _r. The non-reentrant - * functions all work on a signle internal hashing table. + * functions all work on a single internal hash table. */ /* Data type for reentrant functions. */ @@ -55,38 +55,38 @@ 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. + * Must return 0 for approval, 1 for denial. */ int (*change_ok)(const ENTRY *__item, const char *newval, enum env_op, int flag); }; -/* Create a new hashing table which will at most contain NEL elements. */ +/* Create a new hash table which will contain at most "__nel" elements. */ extern int hcreate_r(size_t __nel, struct hsearch_data *__htab); -/* Destroy current internal hashing table. */ +/* Destroy current internal hash table. */ extern void hdestroy_r(struct hsearch_data *__htab); /* - * Search for entry matching ITEM.key in internal hash table. If + * Search for entry matching __item.key in internal hash table. If * ACTION is `FIND' return found entry or signal error by returning * NULL. If ACTION is `ENTER' replace existing data (if any) with - * ITEM.data. + * __item.data. * */ extern int hsearch_r(ENTRY __item, ACTION __action, 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, ENTRY ** __retval, struct hsearch_data *__htab); -/* Search and delete entry matching ITEM.key in internal hash table. */ +/* Search and delete entry matching "__key" in internal hash table. */ extern int hdelete_r(const char *__key, struct hsearch_data *__htab, int __flag); @@ -97,8 +97,6 @@ extern ssize_t hexport_r(struct hsearch_data *__htab, /* * nvars: length of vars array * vars: array of strings (variable names) to import (nvars == 0 means all) - * do_apply: whether to call callback function to check the new argument, - * and possibly apply changes (false means accept everything) */ extern int himport_r(struct hsearch_data *__htab, const char *__env, size_t __size, const char __sep, @@ -123,4 +121,4 @@ extern int hwalk_r(struct hsearch_data *__htab, int (*callback)(ENTRY *)); #define H_PROGRAMMATIC (1 << 9) /* indicate that an import is from setenv() */ #define H_ORIGIN_FLAGS (H_INTERACTIVE | H_PROGRAMMATIC) -#endif /* search.h */ +#endif /* _SEARCH_H_ */ |