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Modified some of the Checked-C-specific declarations of libc functions
to address the issues raised in #499 and #450
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// Tests for calling functions declared in checkedc_extensions.h | ||
// | ||
// The following lines are for the LLVM test harness: | ||
// | ||
// RUN: %clang -o %t.exe %s %checkedc_target_flags | ||
// RUN: %checkedc_rununder %t.exe | ||
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// expected-no-diagnostics | ||
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#pragma CHECKED_SCOPE on | ||
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#include <stddef.h> | ||
#include <checkedc_extensions.h> | ||
#include <stdio.h> | ||
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// A function with an interface similar to snprintf but without the variable | ||
// number of arguments so that such a call interface can be tested in checked | ||
// scope. | ||
void iface(char * restrict s : itype(restrict _Nt_array_ptr<char>) count(n-1), | ||
size_t n, | ||
const char * restrict src : itype(restrict _Nt_array_ptr<const char>)) { | ||
return; | ||
} | ||
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void iface_test1(void) { | ||
char buf _Nt_checked[50]; | ||
iface(buf, 50, "Hello world - 1"); | ||
} | ||
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void iface_test2(_Nt_array_ptr<char> buf : count(len), size_t len) { | ||
iface(buf, len + 1, "Hello world - 2"); | ||
} | ||
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void test3(_Array_ptr<char> buf : count(len), size_t len) { | ||
_Unchecked{ snprintf_array_ptr(buf, len, "Hello world - 3"); } | ||
} | ||
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int main(void) { | ||
char buf _Checked[50]; | ||
test3(buf, 50) ; | ||
char buf1 _Checked[50]; | ||
test3(buf1, 50) ; | ||
int res = strncmp_array_ptr(buf, buf1, 50); | ||
_Unchecked {printf("res: %d buf: %s buf1: %s\n", res, buf, buf1);} | ||
} |