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// RUN: %clang_pgogen -o %t.exe %s
// RUN: env LLVM_PROFILE_FILE="%c%t.profraw" %run %t.exe %t.bad 2>&1 | FileCheck %s
// CHECK: __llvm_profile_set_file_object(fd={{[0-9]+}}) not supported
// CHECK: Profile data not written to file: already written.
#include <stdio.h>
extern int __llvm_profile_is_continuous_mode_enabled(void);
extern void __llvm_profile_set_file_object(FILE *, int);
extern int __llvm_profile_write_file(void);
int main(int argc, char **argv) {
if (!__llvm_profile_is_continuous_mode_enabled())
return 1;
FILE *f = fopen(argv[1], "a+b");
if (!f)
return 1;
__llvm_profile_set_file_object(f, 0); // Try to set the file to "%t.bad".
if (__llvm_profile_write_file() != 0)
return 1;
f = fopen(argv[1], "r");
if (!f)
return 1;
fseek(f, 0, SEEK_END);
return ftell(f); // Check that the "%t.bad" is empty.
}
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