/* WARNING: This file was generated by dkct. Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk4rec17.ctr */ /* Copyright (C) 2015-2017, Dirk Krause 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 opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of 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 dk4rec17.c The dk4rec17 module. */ #line 76 "dk4rec17.ctr" #include "dk4rec17.h" #include "dk4utf8.h" #line 82 "dk4rec17.ctr" size_t dk4recode_size_utf8_to_c32(const char *src, dk4_er_t *erp) { dk4_er_t er; dk4_utf8_decoder_t dec; size_t rdb = 0; size_t back = 0; if (NULL != src) { /* Initialize data structures. */ dk4error_init(&er); dk4utf8_init(&dec); /* Process source string. */ while ('\0' != *src) { rdb++; switch(dk4utf8_add(&dec, (unsigned char)(*(src++)))) { case DK4_EDSTM_FINISHED: { (void)dk4utf8_get(&dec); dk4utf8_init(&dec); if (SIZE_MAX == back) { dk4error_set_simple_error_code(&er, DK4_E_MATH_OVERFLOW); } else { back++; } } break; case DK4_EDSTM_ERROR: { dk4error_set_elsize_nelem(&er, DK4_E_SYNTAX, 1, rdb); } break; } } if (0 == dk4utf8_is_empty(&dec)) { dk4error_set_elsize_nelem(&er, DK4_E_SYNTAX, 1, rdb); } /* Add one for the finalizer. */ if (SIZE_MAX == back) { dk4error_set_simple_error_code(&er, DK4_E_MATH_OVERFLOW); } else { back++; } /* On error return 0 and pass error code. */ if (DK4_E_NONE != er.ec) { back = 0; dk4error_copy(erp, &er); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; } int dk4recode_utf8_to_c32( dk4_c32_t *dstb, size_t szdstb, const char *src, dk4_er_t *erp ) { dk4_utf8_decoder_t dec; size_t used = 0; size_t rdb = 0; dk4_c32_t c32 = dkC32(0); int back = 0; if ((NULL != dstb) && (NULL != src) && (0 < szdstb)) { back = 1; dk4utf8_init(&dec); while(('\0' != *src) && (1 == back) && (used < szdstb)) { switch(dk4utf8_add(&dec, (unsigned char)(*(src++)))) { case DK4_EDSTM_FINISHED: { c32 = dk4utf8_get(&dec); dk4utf8_init(&dec); dstb[used++] = c32; } break; case DK4_EDSTM_ERROR: { back = 0; dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, rdb); } break; } if(back) { rdb++; } } if (used < szdstb) { dstb[used] = (dk4_c16_t)0U; } else { dstb[szdstb - 1] = (dk4_c16_t)0U; back = 0; dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } if (0 == dk4utf8_is_empty(&dec)) { back = 0; dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 1, rdb); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; }