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Fix static assert with empty string

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This commit is contained in:
herman ten brugge 2022-11-29 19:45:05 +01:00
parent a722a124f3
commit 065b401c6e
3 changed files with 39 additions and 33 deletions
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2
tccpp.c
View File

@ -420,7 +420,7 @@ ST_FUNC int cstr_vprintf(CString *cstr, const char *fmt, va_list ap)
va_copy(v, ap);
len = vsnprintf((char*)cstr->data + cstr->size, size, fmt, v);
va_end(v);
if (len > 0 && len < size)
if (len >= 0 && len < size)
break;
size *= 2;
}

3
tests/tests2/60_errors_and_warnings.c
View File

@ -201,6 +201,9 @@ void * _Alignas(16) p1;
_Static_assert(1);
_Static_assert(0);
#elif defined test_static_assert_empty_string
_Static_assert(0,"");
#elif defined test_void_array
void t[3];

67
tests/tests2/60_errors_and_warnings.expect
View File

@ -100,22 +100,25 @@
[test_static_assert_c2x]
60_errors_and_warnings.c:202: error: _Static_assert fail
[test_void_array]
60_errors_and_warnings.c:205: error: declaration of an array of incomplete type elements
[test_static_assert_empty_string]
60_errors_and_warnings.c:205: error:
[test_incomplete_enum_array]
[test_void_array]
60_errors_and_warnings.c:208: error: declaration of an array of incomplete type elements
[test_incomplete_struct_array]
[test_incomplete_enum_array]
60_errors_and_warnings.c:211: error: declaration of an array of incomplete type elements
[test_incomplete_struct_array]
60_errors_and_warnings.c:214: error: declaration of an array of incomplete type elements
[test_const_fun_array]
60_errors_and_warnings.c:215: error: declaration of an array of functions
60_errors_and_warnings.c:218: error: declaration of an array of functions
[test_incomplete_array_array]
[test_extern_array]
60_errors_and_warnings.c:231: error: incompatible types for redefinition of 'x'
60_errors_and_warnings.c:234: error: incompatible types for redefinition of 'x'
[test_func_1]
hello: a = 123
@ -124,17 +127,17 @@ hello: a = 123
hello: a = 123
[test_func_3]
60_errors_and_warnings.c:261: warning: static storage ignored for redefinition of 'hello'
60_errors_and_warnings.c:264: warning: static storage ignored for redefinition of 'hello'
hello: a = 123
[test_func_4]
hello: a = 123
[test_func_5]
60_errors_and_warnings.c:261: error: incompatible types for redefinition of 'hello'
60_errors_and_warnings.c:264: error: incompatible types for redefinition of 'hello'
[test_func_6]
60_errors_and_warnings.c:249: error: function without file scope cannot be static
60_errors_and_warnings.c:252: error: function without file scope cannot be static
[test_var_1]
main : 1 ; 1
@ -147,68 +150,68 @@ main : 2 ; 2
bar : 3 ; 3
[test_var_3]
60_errors_and_warnings.c:293: error: incompatible types for redefinition of 'xxx'
60_errors_and_warnings.c:296: error: incompatible types for redefinition of 'xxx'
[test_var_4]
[test_long_double_type_for_win32]
60_errors_and_warnings.c:324: warning: assignment from incompatible pointer type
60_errors_and_warnings.c:327: warning: assignment from incompatible pointer type
[test_stray_backslash]
60_errors_and_warnings.c:330: error: stray '\' in program
60_errors_and_warnings.c:333: error: stray '\' in program
[test_stray_backslash2]
\n
[test_var_array]
60_errors_and_warnings.c:345: error: flexible array has zero size in this context
60_errors_and_warnings.c:348: error: flexible array has zero size in this context
[test_var_array2]
60_errors_and_warnings.c:355: error: flexible array has zero size in this context
60_errors_and_warnings.c:358: error: flexible array has zero size in this context
[test_var_array3]
60_errors_and_warnings.c:362: error: flexible array has zero size in this context
60_errors_and_warnings.c:365: error: flexible array has zero size in this context
[test_default_int_type]
60_errors_and_warnings.c:365: warning: type defaults to int
60_errors_and_warnings.c:368: warning: type defaults to int
[test_invalid_global_stmtexpr]
60_errors_and_warnings.c:369: error: statement expression outside of function
60_errors_and_warnings.c:372: error: statement expression outside of function
[test_invalid_tokckill]
60_errors_and_warnings.c:372: error: ';' expected (got "3")
60_errors_and_warnings.c:375: error: ';' expected (got "3")
[test_duplicate_member]
60_errors_and_warnings.c:378: error: duplicate member 'a'
60_errors_and_warnings.c:381: error: duplicate member 'a'
[test_duplicate_member_anon]
60_errors_and_warnings.c:391: error: duplicate member 'd'
60_errors_and_warnings.c:394: error: duplicate member 'd'
[test_conflicting_array_definition]
60_errors_and_warnings.c:396: error: incompatible types for redefinition of 'array'
60_errors_and_warnings.c:399: error: incompatible types for redefinition of 'array'
[test_cast_from_void]
60_errors_and_warnings.c:400: error: cannot convert 'void' to 'int'
60_errors_and_warnings.c:403: error: cannot convert 'void' to 'int'
[test_switch_W1]
60_errors_and_warnings.c:416: warning: implicit declaration of function 'fink'
60_errors_and_warnings.c:419: warning: implicit declaration of function 'fink'
[test_switch_W2]
60_errors_and_warnings.c:407: warning: unsupported option '-Wstuff'
60_errors_and_warnings.c:418: warning: 'stuff' attribute ignored
60_errors_and_warnings.c:410: warning: unsupported option '-Wstuff'
60_errors_and_warnings.c:421: warning: 'stuff' attribute ignored
[test_switch_W3]
60_errors_and_warnings.c:415: error: assignment discards qualifiers from pointer target type
60_errors_and_warnings.c:418: error: assignment discards qualifiers from pointer target type
[test_switch_W4]
60_errors_and_warnings.c:416: warning: implicit declaration of function 'fink'
60_errors_and_warnings.c:418: error: 'stuff' attribute ignored
60_errors_and_warnings.c:419: warning: implicit declaration of function 'fink'
60_errors_and_warnings.c:421: error: 'stuff' attribute ignored
[test_invalid_funcparam_1]
60_errors_and_warnings.c:421: error: redeclaration of 'a'
60_errors_and_warnings.c:424: error: redeclaration of 'a'
[test_invalid_funcparam_2]
60_errors_and_warnings.c:424: error: identifier expected
60_errors_and_warnings.c:427: error: identifier expected
[test_array_funcparam]
arg[0] = "X"
@ -218,7 +221,7 @@ arg[1] = "Y"
[returns 78]
[test_illegal_unicode]
60_errors_and_warnings.c:448: error: 0xffffffff is not a valid universal character
60_errors_and_warnings.c:451: error: 0xffffffff is not a valid universal character
[test_error_string]
60_errors_and_warnings.c:453: error: #error \123\456
60_errors_and_warnings.c:456: error: #error \123\456