Mercurial > pub > dyncall > dyncall
view test/suite_aggrs/main.c @ 460:0ae555528709
added missing nullptr check to access bounds guard
author | Tassilo Philipp |
---|---|
date | Sun, 30 Jan 2022 17:12:47 +0100 |
parents | 1c18c2377c24 |
children | 236015fdf7a8 |
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/* Package: dyncall Library: test File: test/suite_aggrs/main.c Description: License: Copyright (c) 2022 Tassilo Philipp <tphilipp@potion-studios.com> Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "dyncall.h" #include "globals.h" #include <string.h> #include "../common/platformInit.h" #include "../common/platformInit.c" /* Impl. for functions only used in this translation unit */ static void* G_callvm; static int find_agg_idx(int* len, const char* sig) { int i; for(i=0; i<G_naggs; ++i) { const char* agg_sig = G_agg_sigs[i]; *len = strlen(agg_sig); if(strncmp(agg_sig, sig, *len) == 0) return i; } return -1; } static int invoke(char const* signature, void* t) { DCCallVM * p = (DCCallVM*) G_callvm; char const * sig = signature; char const * sig_args; char rtype; DCstruct * rtype_st = NULL; int rtype_size = 0; funptr rtype_st_cmp = NULL; char atype; int pos = 0; int s = 0; clear_V(); dcReset(p); if(*sig == '{') { int len; int i = find_agg_idx(&len, sig); if(i == -1) { printf("unknown rtype sig at '%s' ;", sig); return 0; } rtype = *sig; sig += len; rtype_size = G_agg_sizes[i]; rtype_st_cmp = G_agg_cmpfuncs[i]; rtype_st = ((DCstruct*(*)())G_agg_touchdcstfuncs[i])(); dcBeginCallStruct(p, rtype_st); } else rtype = *sig++; sig_args = sig; while ( (atype = *sig) != '\0') { pos++; switch(atype) { case 'c': dcArgChar (p,K_c[pos]); break; case 's': dcArgShort (p,K_s[pos]); break; case 'i': dcArgInt (p,K_i[pos]); break; case 'j': dcArgLong (p,K_j[pos]); break; case 'l': dcArgLongLong(p,K_l[pos]); break; case 'p': dcArgPointer (p,K_p[pos]); break; case 'f': dcArgFloat (p,K_f[pos]); break; case 'd': dcArgDouble (p,K_d[pos]); break; case '{': { /* find struct sig */ int len; DCstruct *st; int i = find_agg_idx(&len, sig); if(i == -1) { printf("unknown sig at '%s' ;", sig); return 0; } st = ((DCstruct*(*)())G_agg_touchdcstfuncs[i])(); dcArgStruct(p, st, K_a[pos]); sig += len-1; /* advance to next arg char */ break; } default: printf("unknown atype '%c' (1) ;", atype); return 0; } ++sig; } switch(rtype) { case 'v': dcCallVoid(p,t); s=1; /*TODO:check that no return-arg was touched.*/ break; case 'c': s = (dcCallChar (p,t) == K_c[pos]) ; break; case 's': s = (dcCallShort (p,t) == K_s[pos]) ; break; case 'i': s = (dcCallInt (p,t) == K_i[pos]) ; break; case 'j': s = (dcCallLong (p,t) == K_j[pos]) ; break; case 'l': s = (dcCallLongLong(p,t) == K_l[pos]) ; break; case 'p': s = (dcCallPointer (p,t) == K_p[pos]) ; break; case 'f': s = (dcCallFloat (p,t) == K_f[pos]) ; break; case 'd': s = (dcCallDouble (p,t) == K_d[pos]) ; break; case '{': { /* bound check memory adjacent to returned struct, to check for overflows by dcCallStruct */ long long* adj_ll = (get_max_aggr_size() - rtype_size) > sizeof(long long) ? (long long*)((char*)V_a[0] + rtype_size) : NULL; if(adj_ll) *adj_ll = 0x0123456789abcdef; s = ((int(*)(const void*,const void*))rtype_st_cmp)(dcCallStruct(p, t, rtype_st, V_a[0]), K_a[pos]); if(adj_ll && *adj_ll != 0x0123456789abcdef) { printf("writing rval overflowed into adjacent memory;"); return 0; } break; } default: printf("unknown rtype '%c'", rtype); return 0; } if (!s) { printf("rval wrong;"); return 0; } /* test V_* array against values passed to func: */ sig = sig_args; pos = 1; while ( (atype = *sig) != '\0') { switch(atype) { case 'c': s = ( V_c[pos] == K_c[pos] ); if (!s) printf("'c':%d: %d != %d ; ", pos, V_c[pos], K_c[pos]); break; case 's': s = ( V_s[pos] == K_s[pos] ); if (!s) printf("'s':%d: %d != %d ; ", pos, V_s[pos], K_s[pos]); break; case 'i': s = ( V_i[pos] == K_i[pos] ); if (!s) printf("'i':%d: %d != %d ; ", pos, V_i[pos], K_i[pos]); break; case 'j': s = ( V_j[pos] == K_j[pos] ); if (!s) printf("'j':%d: %ld != %ld ; ", pos, V_j[pos], K_j[pos]); break; case 'l': s = ( V_l[pos] == K_l[pos] ); if (!s) printf("'l':%d: %lld != %lld ; ", pos, V_l[pos], K_l[pos]); break; case 'p': s = ( V_p[pos] == K_p[pos] ); if (!s) printf("'p':%d: %p != %p ; ", pos, V_p[pos], K_p[pos]); break; case 'f': s = ( V_f[pos] == K_f[pos] ); if (!s) printf("'f':%d: %f != %f ; ", pos, V_f[pos], K_f[pos]); break; case 'd': s = ( V_d[pos] == K_d[pos] ); if (!s) printf("'d':%d: %f != %f ; ", pos, V_d[pos], K_d[pos]); break; case '{': { /* no check: guaranteed to exist, or invoke func would've exited when passing args, above */ int len; int i = find_agg_idx(&len, sig); s = ((int(*)(const void*,const void*))G_agg_cmpfuncs[i])(V_a[pos], K_a[pos]); if (!s) printf("'{':%d: *%p != *%p ; ", pos, V_a[pos], K_a[pos]); sig += len-1; /* advance to next arg char */ break; } default: printf("unknown atype '%c' ; ", atype); return 0; } if (!s) { printf("arg mismatch at %d ; ", pos); return 0; } ++sig; ++pos; } return 1; } int run_test(int i) { char const * sig; void * target; int success; sig = G_sigtab[i]; target = (void*) G_funtab[i]; printf("%d:%s:",i,sig); success = invoke(sig,target); printf("%d\n",success); return success; } int run_all() { int i; int failure = 0; for(i=0;i<G_ncases;++i) failure |= !( run_test(i) ); return !failure; } int main(int argc, char* argv[]) { int total, i; dcTest_initPlatform(); init_test_data(G_maxargs); G_callvm = (DCCallVM*) dcNewCallVM(32768); dcReset(G_callvm); total = run_all(); /* free all DCstructs created on the fly */ for(i=0; i<G_naggs; ++i) dcFreeStruct(((DCstruct*(*)())G_agg_touchdcstfuncs[i])()); dcFree(G_callvm); deinit_test_data(G_maxargs); printf("result: suite_aggrs: %d\n", total); dcTest_deInitPlatform(); return !total; }