/*------------------------------------------------------------------ * strtouppercase.c * * November 2008, Bo Berry * * Copyright (c) 2008-2011 by Cisco Systems, Inc * All rights reserved. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. *------------------------------------------------------------------ */ #ifdef FOR_DOXYGEN #include "safe_str_lib.h" #else #include "safeclib_private.h" #endif /** * @def strtouppercase_s(dest, dmax) * @brief * Converts all lowercase characters to uppercase, leaving all * other characters unchanged. * The conversion stops at the first null or after dmax * characters. * * @remark EXTENSION TO * ISO/IEC TR 24731, Programming languages, environments * and system software interfaces, Extensions to the C Library, * Part I: Bounds-checking interfaces * * @param[out] dest pointer to string * @param[in] dmax maximum length of string * * @pre dest shall not be a null pointer. * @pre dmax shall not equal zero. * @pre dmax shall not be greater than RSIZE_MAX_STR. * * @retval EOK when successful operation * @retval ESNULLP when dest is NULL pointer * @retval ESZEROL when dmax = 0 * @retval ESLEMAX when dmax > RSIZE_MAX_STR * @retval EOVERFLOW when dmax > size of dest (optionally, when the compiler * knows the object_size statically) * @retval ESLEWRNG when dmax != sizeof(dest) and --enable-error-dmax * * ALSO SEE * strtolowercase_s() * */ #ifdef FOR_DOXYGEN errno_t strtouppercase_s(char *dest, rsize_t dmax) #else EXPORT errno_t _strtouppercase_s_chk(char *dest, rsize_t dmax, const size_t destbos) #endif { CHK_DEST_NULL("strtouppercase_s") CHK_DMAX_ZERO("strtouppercase_s") if (destbos == BOS_UNKNOWN) { CHK_DMAX_MAX("strtouppercase_s", RSIZE_MAX_STR) BND_CHK_PTR_BOUNDS(dest, dmax); } else { CHK_DEST_OVR("strtouppercase_s", destbos) } while (*dest && dmax) { if ((*dest >= 'a') && (*dest <= 'z')) { *dest = (char)(*dest - 32); } dest++; dmax--; } return (EOK); }