/* 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: dk3mem.ctr */ /* Copyright (C) 2011-2017, 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 dk3mem.c The dk3mem module. */ #line 166 "dk3mem.ctr" #include "dk3all.h" #line 172 "dk3mem.ctr" void dk3mem_res(void *mp, size_t sz) /* {{{ */ { if((NULL != mp) && (0 != sz)) { #if DK3_HAVE_MEMSET memset(mp, (int)'\0', sz); #else #if DK3_HAVE_BZERO bzero(mp, sz); #else register char *ptr; register size_t i; ptr = (char *)mp; i = sz; while(i--) { *(ptr++) = '\0'; } #endif #endif } } /* }}} */ void dk3mem_cpy(void *dp, void const *sp, size_t sz) /* {{{ */ { if((NULL != dp) && (NULL != sp) && (0 != sz)) { #if DK3_HAVE_MEMCPY memcpy(dp, sp, sz); #else #if DK3_HAVE_BCOPY bcopy(sp, dp, sz); #else register char *mydp; register char const *mysp; register size_t i; mydp = (char *)dp; mysp = (char const *)sp; i = sz; while(i--) { *(mydp++) = *(mysp++); } #endif #endif } } /* }}} */ int dk3mem_cmp(void const *s1, void const *s2, size_t sz) /* {{{ */ { int back = 0; if(NULL != s1) { if(NULL != s2) { #if DK3_HAVE_MEMCMP back = memcmp(s1, s2, sz); #else #if DK3_HAVE_BCMP back = bcmp(s1, s2, sz); #else register unsigned char const *mys1; register unsigned char const *mys2; register size_t i; register int myback = 0; mys1 = (unsigned char const *)s1; mys2 = (unsigned char const *)s2; for(i = 0; ((i < sz) && (0 == myback)); i++) { if(*mys1 > *mys2) { myback = 1; } else { if(*mys1 < *mys2) { myback = -1; } else { mys1++; mys2++; } } } back = myback; #endif #endif } else { back = 1; } } else { if(s2) { back = -1; } } return back; } /* }}} */ void * dk3mem_malloc_app(size_t sz, dk3_app_t *app) /* {{{ */ { void *back = NULL; char c8buffer[64]; /* Buffer to show number of bytes. */ dkChar dkbuffer[64]; /* Buffer to show number of bytes. */ #line 275 "dk3mem.ctr" if(0 != sz) { #if DK3_ON_WINDOWS && (_MSC_VER > 1100) #line 278 "dk3mem.ctr" back = (void *)LocalAlloc((LMEM_FIXED | LMEM_ZEROINIT), sz); #else #if DK3_HAVE_MALLOC && DK3_HAVE_FREE #line 282 "dk3mem.ctr" back = malloc(sz); #line 284 "dk3mem.ctr" #else #error "The malloc and free functions are not available here!" #endif #endif if(NULL != back) { #line 289 "dk3mem.ctr" dk3mem_res(back, sz); } else { #line 291 "dk3mem.ctr" if(NULL != app) { #line 292 "dk3mem.ctr" /* ERROR: Failed to allocate n bytes! */ if(0 != dk3ma_um_to_c8_string(c8buffer,sizeof(c8buffer),(dk3_um_t)sz)) { (void)dk3str_cnv_c8_to_str_app( dkbuffer, DK3_SIZEOF(dkbuffer,dkChar), c8buffer, NULL ); dk3app_log_i3(app, DK3_LL_ERROR, 12, 13, dkbuffer); } else { dk3app_log_i1(app, DK3_LL_ERROR, 14); } } } } #line 304 "dk3mem.ctr" return back; } /* }}} */ void * dk3mem_malloc(size_t sz) /* {{{ */ { void *back; back = dk3mem_malloc_app(sz, NULL); return back; } /* }}} */ size_t dk3mem_mul_size_t(size_t sz, size_t ne, int *ec) /* {{{ */ { size_t back = 0; if (0 < sz) { if ((DK3_SIZE_T_MAX / sz) < ne) { if (NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } } else { back = (sz * ne); } } else { if (NULL != ec) { *ec = DK3_ERROR_MATH_OUT_OF_RANGE; } } return back; } /* }}} */ size_t dk3mem_add_size_t(size_t a, size_t b, int *ec) { size_t back = 0; if((DK3_SIZE_T_MAX - a) >= b) { back = a + b; } else { if(NULL != ec) { *ec = DK3_ERROR_MATH_OVERFLOW; } } return back; } void * dk3mem_alloc_app(size_t sz, size_t ne, dk3_app_t *app) /* {{{ */ { void *back = NULL; size_t as = 0; /* Allocation size. */ char c8b1[64]; /* Buffer for element size. */ char c8b2[64]; /* Buffer for number of elements. */ dkChar dkb1[64]; /* Buffer for element size. */ dkChar dkb2[64]; /* Buffer for number of elements. */ int ok = 0; /* Flag: Success. */ #line 363 "dk3mem.ctr" if((0 != sz) && (0 != ne)) { as = dk3mem_mul_size_t(sz, ne, NULL); if(0 != as) { back = dk3mem_malloc_app(as, app); } else { if(NULL != app) { /* ERROR: Numeric overflow! */ ok = 0; dkb1[0] = dkb2[0] = dkT('\0'); if(0 != dk3ma_um_to_c8_string(c8b1, sizeof(c8b1),(dk3_um_t)sz)) { if(0 != dk3ma_um_to_c8_string(c8b2, sizeof(c8b2),(dk3_um_t)ne)) { (void)dk3str_cnv_c8_to_str_app( dkb1, DK3_SIZEOF(dkb1,dkChar), c8b1, NULL ); (void)dk3str_cnv_c8_to_str_app( dkb2, DK3_SIZEOF(dkb2,dkChar), c8b2, NULL ); ok = 1; } } if(0 != ok) { dk3app_log_i5(app, DK3_LL_ERROR, 16, 17, 18, dkb1, dkb2); } else { dk3app_log_i1(app, DK3_LL_ERROR, 15); } } } } #line 391 "dk3mem.ctr" return back; } /* }}} */ void * dk3mem_alloc(size_t sz, size_t ne) /* {{{ */ { void *back; back = dk3mem_alloc_app(sz, ne, NULL); return back; } /* }}} */ void dk3mem_free (void *po) /* {{{ */ { if(NULL != po) { #if DK3_ON_WINDOWS && (_MSC_VER > 1100) LocalFree((HLOCAL)po); #else #if DK3_HAVE_MALLOC && DK3_HAVE_FREE free(po); #endif #endif } } /* }}} */ int dk3mem_reset_secure(void *mp, size_t sz) { char *ptr; int back = 0; if ((NULL != mp) && (0 < sz)) { #if DK3_ON_WINDOWS SecureZeroMemory(mp, sz); back = 1; #else dk3mem_res(mp, sz); back = 1; ptr = (char *)mp; while (sz--) { if ('\0' != *(ptr++)) { back = 0; } } #endif } return back; } /* vim: set ai sw=2 filetype=c foldmethod=marker foldopen=all : */