numam-spdk/include/spdk/string.h
Daniel Verkamp 98c8867e5a scsi: move spdk_strcpy_pad() into util/string.c
This will be useful outside of the SCSI code, so put it in the common
string utility file.

Also reorder the parameters so they match the order used in strncpy().

Change-Id: I9e25a59b64e4bedf04e5a96de463b1d8aa0ddac3
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2016-08-22 08:58:07 -07:00

100 lines
3.3 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file
* String utility functions
*/
#ifndef SPDK_STRING_H
#define SPDK_STRING_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
/**
* sprintf with automatic buffer allocation.
*
* The return value is the formatted string,
* which should be passed to free() when no longer needed,
* or NULL on failure.
*/
char *spdk_sprintf_alloc(const char *format, ...) __attribute__((format(printf, 1, 2)));
/**
* Convert string to lowercase in place.
*
* \param s String to convert to lowercase.
*/
char *spdk_strlwr(char *s);
/**
* Parse a delimited string with quote handling.
*
* \param stringp Pointer to starting location in string. *stringp will be updated to point to the
* start of the next field, or NULL if the end of the string has been reached.
* \param delim Null-terminated string containing the list of accepted delimiters.
*
* \return Pointer to beginning of the current field.
*
* Note that the string will be modified in place to add the string terminator to each field.
*/
char *spdk_strsepq(char **stringp, const char *delim);
/**
* Trim whitespace from a string in place.
*
* \param s String to trim.
*/
char *spdk_str_trim(char *s);
/**
* Copy a string into a fixed-size buffer, padding extra bytes with a specific character.
*
* \param dst Pointer to destination fixed-size buffer to fill.
* \param src Pointer to source null-terminated string to copy into dst.
* \param size Number of bytes to fill in dst.
* \param pad Character to pad extra space in dst beyond the size of src.
*
* If src is longer than size, only size bytes will be copied.
*/
void spdk_strcpy_pad(void *dst, const char *src, size_t size, int pad);
#ifdef __cplusplus
}
#endif
#endif