/* Copyright (C) 2015-2020, Dirk Krause SPDX-License-Identifier: BSD-3-Clause */ /* WARNING: This file was generated by the dkct program (see http://dktools.sourceforge.net/ for details). 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: dk4rec18.ctr */ /** @file dk4rec18.c The dk4rec18 module. */ #line 86 "dk4rec18.ctr" #include "dk4conf.h" #include "dk4rec18.h" #include "dk4mem.h" #include "dk4utf8.h" #if DK4_HAVE_ASSERT_H #ifndef ASSERT_H_INCLUDED #include #define ASSERT_H_INCLUDED 1 #endif #endif #line 101 "dk4rec18.ctr" size_t dk4recode_size_c32_to_utf8(const dk4_c32_t *src, dk4_er_t *erp) { dk4_er_t er; unsigned char buf[8]; size_t sz; size_t rd = 0; size_t back = 0; dk4_c32_t c32 = dkC32(0); #if DK4_USE_ASSERT assert(NULL != src); #endif if (NULL != src) { dk4error_init(&er); while (dkC32(0) != (c32 = *(src++))) { sz = sizeof(buf); if (0 != dk4utf8_encode(buf, &sz, c32, &er)) { if ((SIZE_MAX - sz) >= back) { back += sz; rd++; } else { dk4error_set_simple_error_code(&er, DK4_E_MATH_OVERFLOW); } } } if (SIZE_MAX > back) { back++; } else { dk4error_set_simple_error_code(&er, DK4_E_MATH_OVERFLOW); } 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_c32_to_utf8( char *dstb, size_t szdstb, const dk4_c32_t *src, dk4_er_t *erp ) { unsigned char buf[8]; size_t sz; size_t rd = 0; size_t used = 0; dk4_c32_t c32 = dkC32(0); int back = 0; #if DK4_USE_ASSERT assert(NULL != dstb); assert(0 < szdstb); assert(NULL != src); #endif if ((NULL != dstb) && (0 < szdstb) && (NULL != src)) { back = 1; while((dkC32(0) != *src) && (1 == back) && (used < szdstb)) { c32 = *(src++); sz = sizeof(buf); if (0 != dk4utf8_encode(buf, &sz, c32, erp)) { if ((szdstb - used) > sz) { DK4_MEMCPY(&(dstb[used]),buf,sz); used += sz; } else { back = 0; dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { back = 0; dk4error_set_elsize_nelem(erp, DK4_E_SYNTAX, 4, rd); } if (0 != back) { rd++; } } if (used < szdstb) { dstb[used] = '\0'; } else { dstb[szdstb - 1] = '\0'; back = 0; dk4error_set_simple_error_code(erp, DK4_E_BUFFER_TOO_SMALL); } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } return back; }