llvm-project/compiler-rt/test/profile/instrprof-set-dir-mode.c

53 lines
1.4 KiB
C

// UNSUPPORTED: windows
// RUN: %clang_pgogen -o %t.bin %s -DTESTPATH=\"%t.dir\"
// RUN: rm -rf %t.dir
// RUN: %run %t.bin
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
void __llvm_profile_set_dir_mode(unsigned Mode);
unsigned __llvm_profile_get_dir_mode(void);
void __llvm_profile_recursive_mkdir(char *Path);
static int test(unsigned Mode, const char *TestDir) {
int Ret = 0;
/* Create a dir and set the mode accordingly. */
char *Dir = strdup(TestDir);
if (!Dir)
return -1;
__llvm_profile_set_dir_mode(Mode);
__llvm_profile_recursive_mkdir(Dir);
if (Mode != __llvm_profile_get_dir_mode())
Ret = -1;
else {
// From 'man mkdir':
// "If the parent directory has the set-group-ID bit set, then so will the
// newly created directory." So we mask off S_ISGID below; this test cannot
// control its parent directory.
const unsigned Expected = ~umask(0) & Mode;
struct stat DirSt;
if (stat(Dir, &DirSt) == -1)
Ret = -1;
else if ((DirSt.st_mode & ~S_ISGID) != Expected) {
printf("Modes do not match: Expected %o but found %o (%s)\n", Expected,
DirSt.st_mode, Dir);
Ret = -1;
}
}
free(Dir);
return Ret;
}
int main(void) {
if (test(S_IFDIR | 0777, TESTPATH "/foo/bar/baz/") ||
test(S_IFDIR | 0666, TESTPATH "/foo/bar/qux/"))
return -1;
return 0;
}