add clang
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890 changed files with 229323 additions and 20 deletions
407
05/tcc-final/tests/tests2/90_struct-init.c
Normal file
407
05/tcc-final/tests/tests2/90_struct-init.c
Normal file
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@ -0,0 +1,407 @@
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typedef unsigned char u8;
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typedef struct {} empty_s;
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struct contains_empty {
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u8 a;
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empty_s empty;
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u8 b;
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};
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struct contains_empty ce = { { (1) }, (empty_s){}, 022, };
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/* The following decl of 'q' would demonstrate the TCC bug in init_putv when
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handling copying compound literals. (Compound literals
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aren't acceptable constant initializers in isoc99, but
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we accept them like gcc, except for this case)
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//char *q = (char *){ "trara" }; */
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struct SS {u8 a[3], b; };
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struct SS sinit16[] = { { 1 }, 2 };
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struct S
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{
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u8 a,b;
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u8 c[2];
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};
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struct T
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{
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u8 s[16];
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u8 a;
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};
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struct U
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{
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u8 a;
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struct S s;
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u8 b;
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struct T t;
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};
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struct V
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{
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struct S s;
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struct T t;
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u8 a;
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};
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struct W
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{
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struct V t;
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struct S s[];
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};
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struct S gs = ((struct S){1, 2, 3, 4});
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struct S gs2 = {1, 2, {3, 4}};
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struct T gt = {"hello", 42};
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struct U gu = {3, 5,6,7,8, 4, "huhu", 43};
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struct U gu2 = {3, {5,6,7,8}, 4, {"huhu", 43}};
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/* Optional braces around scalar initializers. Accepted, but with
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a warning. */
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struct U gu3 = { {3}, {5,6,7,8,}, 4, {"huhu", 43}};
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/* Many superfluous braces and leaving out one initializer for U.s.c[1] */
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struct U gu4 = { 3, {5,6,7,}, 5, { "bla", {44}} };
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/* Superfluous braces and useless parens around values */
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struct S gs3 = { (1), {(2)}, {(((3))), {4}}};
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/* Superfluous braces, and leaving out braces for V.t, plus cast */
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struct V gv = {{{3},4,{5,6}}, "haha", (u8)45, 46};
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/* Compound literal */
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struct V gv2 = {(struct S){7,8,{9,10}}, {"hihi", 47}, 48};
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/* Parens around compound literal */
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struct V gv3 = {((struct S){7,8,{9,10}}), {"hoho", 49}, 50};
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/* Initialization of a flex array member (warns in GCC) */
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struct W gw = {{1,2,3,4}, {1,2,3,4,5}};
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union UU {
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u8 a;
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u8 b;
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};
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struct SU {
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union UU u;
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u8 c;
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};
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struct SU gsu = {5,6};
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/* Unnamed struct/union members aren't ISO C, but it's a widely accepted
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extension. See below for further extensions to that under -fms-extension.*/
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union UV {
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struct {u8 a,b;};
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struct S s;
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};
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union UV guv = {{6,5}};
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union UV guv2 = {{.b = 7, .a = 8}};
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union UV guv3 = {.b = 8, .a = 7};
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struct SSU {
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int y;
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struct { int x; };
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};
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struct SSU gssu1 = { .y = 5, .x = 3 };
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struct SSU gssu2 = { 5, 3 };
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/* Under -fms-extensions also the following is valid:
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union UV2 {
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struct Anon {u8 a,b;}; // unnamed member, but tagged struct, ...
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struct S s;
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};
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struct Anon gan = { 10, 11 }; // ... which makes it available here.
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union UV2 guv4 = {{4,3}}; // and the other inits from above as well
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*/
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struct in6_addr {
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union {
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u8 u6_addr8[16];
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unsigned short u6_addr16[8];
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} u;
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};
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struct flowi6 {
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struct in6_addr saddr, daddr;
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};
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struct pkthdr {
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struct in6_addr daddr, saddr;
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};
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struct pkthdr phdr = { { { 6,5,4,3 } }, { { 9,8,7,6 } } };
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struct Wrap {
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void *func;
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};
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int global;
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void inc_global (void)
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{
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global++;
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}
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struct Wrap global_wrap[] = {
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((struct Wrap) {inc_global}),
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inc_global,
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};
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#include <stdio.h>
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void print_ (const char *name, const u8 *p, long size)
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{
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printf ("%s:", name);
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while (size--) {
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printf (" %x", *p++);
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}
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printf ("\n");
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}
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#define print(x) print_(#x, (u8*)&x, sizeof (x))
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#if 1
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void foo (struct W *w, struct pkthdr *phdr_)
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{
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struct S ls = {1, 2, 3, 4};
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struct S ls2 = {1, 2, {3, 4}};
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struct T lt = {"hello", 42};
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struct U lu = {3, 5,6,7,8, 4, "huhu", 43};
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struct U lu1 = {3, ls, 4, {"huhu", 43}};
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struct U lu2 = {3, (ls), 4, {"huhu", 43}};
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const struct S *pls = &ls;
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struct S ls21 = *pls;
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struct U lu22 = {3, *pls, 4, {"huhu", 43}};
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/* Incomplete bracing. */
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struct U lu21 = {3, ls, 4, "huhu", 43};
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/* Optional braces around scalar initializers. Accepted, but with
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a warning. */
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struct U lu3 = { 3, {5,6,7,8,}, 4, {"huhu", 43}};
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/* Many superfluous braces and leaving out one initializer for U.s.c[1] */
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struct U lu4 = { 3, {5,6,7,}, 5, { "bla", 44} };
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/* Superfluous braces and useless parens around values */
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struct S ls3 = { (1), (2), {(((3))), 4}};
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/* Superfluous braces, and leaving out braces for V.t, plus cast */
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struct V lv = {{3,4,{5,6}}, "haha", (u8)45, 46};
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/* Compound literal */
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struct V lv2 = {(struct S)w->t.s, {"hihi", 47}, 48};
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/* Parens around compound literal */
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struct V lv3 = {((struct S){7,8,{9,10}}), ((const struct W *)w)->t.t, 50};
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const struct pkthdr *phdr = phdr_;
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struct flowi6 flow = { .daddr = phdr->daddr, .saddr = phdr->saddr };
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int elt = 0x42;
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/* Range init, overlapping */
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struct T lt2 = { { [1 ... 5] = 9, [6 ... 10] = elt, [4 ... 7] = elt+1 }, 1 };
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struct SSU lssu1 = { 5, 3 };
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struct SSU lssu2 = { .y = 5, .x = 3 };
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/* designated initializers in GNU form */
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#if defined(__GNUC__) || defined(__TINYC__)
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struct S ls4 = {a: 1, b: 2, c: {3, 4}};
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#else
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struct S ls4 = {.a = 1, .b = 2, .c = {3, 4}};
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#endif
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print(ls);
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print(ls2);
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print(lt);
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print(lu);
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print(lu1);
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print(lu2);
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print(ls21);
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print(lu21);
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print(lu22);
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print(lu3);
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print(lu4);
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print(ls3);
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print(lv);
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print(lv2);
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print(lv3);
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print(lt2);
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print(lssu1);
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print(lssu2);
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print(flow);
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print(ls4);
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}
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#endif
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void test_compound_with_relocs (void)
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{
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struct Wrap local_wrap[] = {
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((struct Wrap) {inc_global}),
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inc_global,
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};
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void (*p)(void);
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p = global_wrap[0].func; p();
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p = global_wrap[1].func; p();
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p = local_wrap[0].func; p();
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p = local_wrap[1].func; p();
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}
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void sys_ni(void) { printf("ni\n"); }
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void sys_one(void) { printf("one\n"); }
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void sys_two(void) { printf("two\n"); }
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void sys_three(void) { printf("three\n"); }
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void sys_four(void) { printf("four\n"); }
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typedef void (*fptr)(void);
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#define array_size(a) (sizeof a / sizeof a[0])
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void test_multi_relocs(void)
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{
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int i;
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static const fptr tabl1[4] = {
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[0 ... 3] = &sys_ni,
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[0] = sys_one,
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[1] = sys_two,
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[2] = sys_three,
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sys_four,
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[1 ... 2] = &sys_ni,
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[1] = 0,
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};
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for (i = 0; i < array_size(tabl1); i++)
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if (tabl1[i])
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tabl1[i]();
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else
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printf("(0)\n");
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const fptr tabl2[4] = {
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[0 ... 3] = &sys_ni,
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[0] = sys_one,
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[1] = sys_two,
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[2] = sys_three,
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sys_four,
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[1 ... 2] = &sys_ni,
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[1] = 0,
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};
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for (i = 0; i < array_size(tabl2); i++)
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if (tabl2[i])
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tabl2[i]();
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else
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printf("(0)\n");
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int c = 0;
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int dd[] = {
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[0 ... 1] = ++c,
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[2 ... 3] = ++c
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};
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for (i = 0; i < array_size(dd); i++)
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printf(" %d", dd[i]);
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printf("\n");
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/* multi-dimensional flex array with range initializers */
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static char m1[][2][3] = {[0 ... 2]={{3,4,5},{6,7,8}},{{9},10},"abc"};
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char m2[][2][3] = {[0 ... 2]={{3,4,5},{6,7,8}},{{9},10},"abc"};
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int g, j, k;
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for (g = 2; g-- > 0;) {
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printf("mdfa %s: %d -", "locl\0glob" + g * 5, sizeof m1);
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for (i = 0; i < array_size(m1); i++)
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for (j = 0; j < array_size(m1[0]); j++)
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for (k = 0; k < array_size(m1[0][0]); k++)
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printf(" %d", (g ? m1:m2)[i][j][k]);
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printf("\n");
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}
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}
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void test_init_ranges(void) {
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int i,c=0;
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static void *gostring[] = {
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[0 ... 31] = &&l_bad, [127] = &&l_bad,
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[32 ... 126] = &&l_loop,
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['\\'] = &&l_esc, ['"'] = &&l_qdown,
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[128 ... 191] = &&l_bad,
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[192 ... 223] = &&l_utf8_2,
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[224 ... 239] = &&l_utf8_3,
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[240 ... 247] = &&l_utf8_4,
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[248 ... 255] = &&l_bad
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};
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for (i = 0; i < 256; i++) {
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goto *gostring[i];
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l_bad: c++;
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l_loop: c++;
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l_esc: c++;
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l_qdown: c++;
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l_utf8_2: c++;
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l_utf8_3: c++;
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l_utf8_4: c++;
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}
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printf ("%d\n", c);
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}
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/* Following is from GCC gcc.c-torture/execute/20050613-1.c. */
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struct SEA { int i; int j; int k; int l; };
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struct SEB { struct SEA a; int r[1]; };
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struct SEC { struct SEA a; int r[0]; };
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struct SED { struct SEA a; int r[]; };
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static void
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test_correct_filling (struct SEA *x)
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{
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static int i;
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if (x->i != 0 || x->j != 5 || x->k != 0 || x->l != 0)
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printf("sea_fill%d: wrong\n", i);
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else
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printf("sea_fill%d: okay\n", i);
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i++;
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}
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int
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test_zero_init (void)
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{
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/* The peculiarity here is that only a.j is initialized. That
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means that all other members must be zero initialized. TCC
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once didn't do that for sub-level designators. */
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struct SEB b = { .a.j = 5 };
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struct SEC c = { .a.j = 5 };
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struct SED d = { .a.j = 5 };
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test_correct_filling (&b.a);
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test_correct_filling (&c.a);
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test_correct_filling (&d.a);
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return 0;
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}
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void test_init_struct_from_struct(void)
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{
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int i = 0;
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struct S {int x,y;}
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a = {1,2},
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b = {3,4},
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c[] = {a,b},
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d[] = {++i, ++i, ++i, ++i},
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e[] = {b, (struct S){5,6}}
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;
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printf("%s: %d %d %d %d - %d %d %d %d - %d %d %d %d\n",
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__FUNCTION__,
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c[0].x,
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c[0].y,
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c[1].x,
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c[1].y,
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d[0].x,
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d[0].y,
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d[1].x,
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d[1].y,
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e[0].x,
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e[0].y,
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e[1].x,
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e[1].y
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);
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}
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int main()
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{
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print(ce);
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print(gs);
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print(gs2);
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print(gt);
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print(gu);
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print(gu2);
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print(gu3);
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print(gu4);
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print(gs3);
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print(gv);
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print(gv2);
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print(gv3);
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print(sinit16);
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print(gw);
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print(gsu);
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print(guv);
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print(guv.b);
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print(guv2);
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print(guv3);
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print(gssu1);
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print(gssu2);
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print(phdr);
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foo(&gw, &phdr);
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//printf("q: %s\n", q);
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test_compound_with_relocs();
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test_multi_relocs();
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test_zero_init();
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test_init_ranges();
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test_init_struct_from_struct();
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return 0;
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}
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