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| author | grischka <grischka> | 2017-02-13 19:03:29 +0100 |
|---|---|---|
| committer | grischka <grischka> | 2017-02-13 19:03:29 +0100 |
| commit | 43d9a7de9b83f437d55c2cbc6e9625e3fafa5102 (patch) | |
| tree | 5890bbdeebd2bec986afd99f51f624c652a915a9 /tests/tests2/90_struct-init.c | |
| parent | 13056da039240a1d418335f6e0506a89fb2d8495 (diff) | |
| download | tinycc-43d9a7de9b83f437d55c2cbc6e9625e3fafa5102.tar.gz tinycc-43d9a7de9b83f437d55c2cbc6e9625e3fafa5102.tar.bz2 | |
updates & cleanups (tcc-doc/Changelog/TODO ...)
- tcc-doc.texi: commandline option info update
- Changelog/TODO: update
- tests/tcctest.py: removed
- tests/Makefile: weaktest fixed
- tests/tests2: some files renamed and/or converted to unix LF
- configure/Makefile: --enable-static option (no dll on win32)
- win32/build-tcc.bat: msvc support
- win32/tcc-win32.txt: build info update
- win32/vs2015/: VS solution removed
- win32/include/tcc/tcc_libm.h: #include statement fixed
- tcc.c: -include <file> option help info
- .gitignore: cleanup
Diffstat (limited to 'tests/tests2/90_struct-init.c')
| -rw-r--r-- | tests/tests2/90_struct-init.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/tests/tests2/90_struct-init.c b/tests/tests2/90_struct-init.c new file mode 100644 index 0000000..fd212ba --- /dev/null +++ b/tests/tests2/90_struct-init.c @@ -0,0 +1,248 @@ +typedef unsigned char u8; +typedef struct {} empty_s; +struct contains_empty { + u8 a; + empty_s empty; + u8 b; +}; +struct contains_empty ce = { { (1) }, (empty_s){}, 022, }; +/* The following decl of 'q' would demonstrate the TCC bug in init_putv when + handling copying compound literals. (Compound literals + aren't acceptable constant initializers in isoc99, but + we accept them like gcc, except for this case) +//char *q = (char *){ "trara" }; */ +struct SS {u8 a[3], b; }; +struct SS sinit16[] = { { 1 }, 2 }; +struct S +{ + u8 a,b; + u8 c[2]; +}; + +struct T +{ + u8 s[16]; + u8 a; +}; + +struct U +{ + u8 a; + struct S s; + u8 b; + struct T t; +}; + +struct V +{ + struct S s; + struct T t; + u8 a; +}; + +struct W +{ + struct V t; + struct S s[]; +}; + +struct S gs = ((struct S){1, 2, 3, 4}); +struct S gs2 = {1, 2, {3, 4}}; +struct T gt = {"hello", 42}; +struct U gu = {3, 5,6,7,8, 4, "huhu", 43}; +struct U gu2 = {3, {5,6,7,8}, 4, {"huhu", 43}}; +/* Optional braces around scalar initializers. Accepted, but with + a warning. */ +struct U gu3 = { {3}, {5,6,7,8,}, 4, {"huhu", 43}}; +/* Many superfluous braces and leaving out one initializer for U.s.c[1] */ +struct U gu4 = { 3, {5,6,7,}, 5, { "bla", {44}} }; +/* Superfluous braces and useless parens around values */ +struct S gs3 = { (1), {(2)}, {(((3))), {4}}}; +/* Superfluous braces, and leaving out braces for V.t, plus cast */ +struct V gv = {{{3},4,{5,6}}, "haha", (u8)45, 46}; +/* Compund literal */ +struct V gv2 = {(struct S){7,8,{9,10}}, {"hihi", 47}, 48}; +/* Parens around compound literal */ +struct V gv3 = {((struct S){7,8,{9,10}}), {"hoho", 49}, 50}; +/* Initialization of a flex array member (warns in GCC) */ +struct W gw = {{1,2,3,4}, {1,2,3,4,5}}; + +union UU { + u8 a; + u8 b; +}; +struct SU { + union UU u; + u8 c; +}; +struct SU gsu = {5,6}; + +/* Unnamed struct/union members aren't ISO C, but it's a widely accepted + extension. See below for further extensions to that under -fms-extension.*/ +union UV { + struct {u8 a,b;}; + struct S s; +}; +union UV guv = {{6,5}}; +union UV guv2 = {{.b = 7, .a = 8}}; +union UV guv3 = {.b = 8, .a = 7}; + +/* Under -fms-extensions also the following is valid: +union UV2 { + struct Anon {u8 a,b;}; // unnamed member, but tagged struct, ... + struct S s; +}; +struct Anon gan = { 10, 11 }; // ... which makes it available here. +union UV2 guv4 = {{4,3}}; // and the other inits from above as well +*/ + +struct in6_addr { + union { + u8 u6_addr8[16]; + unsigned short u6_addr16[8]; + } u; +}; +struct flowi6 { + struct in6_addr saddr, daddr; +}; +struct pkthdr { + struct in6_addr daddr, saddr; +}; +struct pkthdr phdr = { { { 6,5,4,3 } }, { { 9,8,7,6 } } }; + +struct Wrap { + void *func; +}; +int global; +void inc_global (void) +{ + global++; +} + +struct Wrap global_wrap[] = { + ((struct Wrap) {inc_global}), + inc_global, +}; + +#include <stdio.h> +void print_ (const char *name, const u8 *p, long size) +{ + printf ("%s:", name); + while (size--) { + printf (" %x", *p++); + } + printf ("\n"); +} +#define print(x) print_(#x, (u8*)&x, sizeof (x)) +#if 1 +void foo (struct W *w, struct pkthdr *phdr_) +{ + struct S ls = {1, 2, 3, 4}; + struct S ls2 = {1, 2, {3, 4}}; + struct T lt = {"hello", 42}; + struct U lu = {3, 5,6,7,8, 4, "huhu", 43}; + struct U lu1 = {3, ls, 4, {"huhu", 43}}; + struct U lu2 = {3, (ls), 4, {"huhu", 43}}; + const struct S *pls = &ls; + struct S ls21 = *pls; + struct U lu22 = {3, *pls, 4, {"huhu", 43}}; + /* Incomplete bracing. */ + struct U lu21 = {3, ls, 4, "huhu", 43}; + /* Optional braces around scalar initializers. Accepted, but with + a warning. */ + struct U lu3 = { 3, {5,6,7,8,}, 4, {"huhu", 43}}; + /* Many superfluous braces and leaving out one initializer for U.s.c[1] */ + struct U lu4 = { 3, {5,6,7,}, 5, { "bla", 44} }; + /* Superfluous braces and useless parens around values */ + struct S ls3 = { (1), (2), {(((3))), 4}}; + /* Superfluous braces, and leaving out braces for V.t, plus cast */ + struct V lv = {{3,4,{5,6}}, "haha", (u8)45, 46}; + /* Compund literal */ + struct V lv2 = {(struct S)w->t.s, {"hihi", 47}, 48}; + /* Parens around compound literal */ + struct V lv3 = {((struct S){7,8,{9,10}}), ((const struct W *)w)->t.t, 50}; + const struct pkthdr *phdr = phdr_; + struct flowi6 flow = { .daddr = phdr->daddr, .saddr = phdr->saddr }; + int elt = 0x42; + /* Range init, overlapping */ + struct T lt2 = { { [1 ... 5] = 9, [6 ... 10] = elt, [4 ... 7] = elt+1 }, 1 }; + print(ls); + print(ls2); + print(lt); + print(lu); + print(lu1); + print(lu2); + print(ls21); + print(lu21); + print(lu22); + print(lu3); + print(lu4); + print(ls3); + print(lv); + print(lv2); + print(lv3); + print(lt2); + print(flow); +} +#endif + +void test_compound_with_relocs (void) +{ + struct Wrap local_wrap[] = { + ((struct Wrap) {inc_global}), + inc_global, + }; + void (*p)(void); + p = global_wrap[0].func; p(); + p = global_wrap[1].func; p(); + p = local_wrap[0].func; p(); + p = local_wrap[1].func; p(); +} + +void sys_ni(void) { printf("ni\n"); } +void sys_one(void) { printf("one\n"); } +void sys_two(void) { printf("two\n"); } +void sys_three(void) { printf("three\n"); } +typedef void (*fptr)(void); +const fptr table[3] = { + [0 ... 2] = &sys_ni, + [0] = sys_one, + [1] = sys_two, + [2] = sys_three, +}; + +void test_multi_relocs(void) +{ + int i; + for (i = 0; i < sizeof(table)/sizeof(table[0]); i++) + table[i](); +} + +int main() +{ + print(ce); + print(gs); + print(gs2); + print(gt); + print(gu); + print(gu2); + print(gu3); + print(gu4); + print(gs3); + print(gv); + print(gv2); + print(gv3); + print(sinit16); + print(gw); + print(gsu); + print(guv); + print(guv.b); + print(guv2); + print(guv3); + print(phdr); + foo(&gw, &phdr); + //printf("q: %s\n", q); + test_compound_with_relocs(); + test_multi_relocs(); + return 0; +} |
