incubator-nuttx/include/glob.h

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/****************************************************************************
* include/glob.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __INCLUDE_GLOB_H
#define __INCLUDE_GLOB_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/compiler.h>
#include <stddef.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* The following constants shall be provided as values
* for the flags argument:
*/
#define GLOB_APPEND 0x01 /* Append generated pathnames to
* those previously obtained. */
#define GLOB_DOOFFS 0x02 /* Specify how many null pointers
* to add to the beginning of gl_pathv. */
#define GLOB_ERR 0x04 /* Cause glob() to return on error. */
#define GLOB_MARK 0x08 /* Each pathname that is a directory that
* matches pattern has a slash appended. */
#define GLOB_NOCHECK 0x10 /* If pattern does not match any pathname, then
* return a list consisting of only pattern. */
#define GLOB_NOESCAPE 0x20 /* Disable backslash escaping. */
#define GLOB_NOSORT 0x40 /* Do not sort the pathnames returned. */
/* The following constants shall be defined as error return values:
*/
#define GLOB_ABORTED 1 /* The scan was stopped because GLOB_ERR
* was set or (*errfunc)() returned non-zero. */
#define GLOB_NOMATCH 2 /* The pattern does not match any existing pathname,
* and GLOB_NOCHECK was not set in flags. */
#define GLOB_NOSPACE 3 /* An attempt to allocate memory failed. */
#define GLOB_NOSYS 4 /* Reserved */
/****************************************************************************
* Public Types
****************************************************************************/
typedef struct
{
size_t gl_pathc; /* Count of paths matched by pattern. */
FAR char **gl_pathv; /* Pointer to a list of matched pathnames. */
size_t gl_offs; /* Slots to reserve at the beginning of gl_pathv. */
} glob_t;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: glob
*
* Description:
* find pathnames matching a pattern.
*
****************************************************************************/
int glob(FAR const char *pat, int flags,
CODE int (*errfunc)(FAR const char *path, int err),
FAR glob_t *g);
/****************************************************************************
* Name: globfree
*
* Description:
* Free memory from glob().
*
****************************************************************************/
void globfree(FAR glob_t *g);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_GLOB_H */