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Fix bug with realpath() on Windows

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Justine Tunney 2024-05-29 18:47:01 -07:00
parent 2816df59b2
commit f31a98d50a
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GPG key ID: BE714B4575D6E328
4 changed files with 57 additions and 3 deletions
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12
test/libc/calls/readlinkat_test.c
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@ -112,3 +112,15 @@ TEST(readlinkat, realpathReturnsLongPath) {
ASSERT_SYS(0, 0, touch("froot", 0644));
ASSERT_STARTSWITH("/c/", realpath("froot", buf));
}
TEST(readlinkat, c_drive) {
char buf[PATH_MAX];
ASSERT_SYS(EINVAL, -1, readlinkat(AT_FDCWD, "/", buf, PATH_MAX));
if (!IsWindows())
return;
ASSERT_SYS(EINVAL, -1, readlinkat(AT_FDCWD, "/c/", buf, PATH_MAX));
ASSERT_SYS(EINVAL, -1, readlinkat(AT_FDCWD, "/c", buf, PATH_MAX));
ASSERT_SYS(EINVAL, -1, readlinkat(AT_FDCWD, "c:", buf, PATH_MAX));
ASSERT_SYS(EINVAL, -1, readlinkat(AT_FDCWD, "c:/", buf, PATH_MAX));
ASSERT_SYS(EINVAL, -1, readlinkat(AT_FDCWD, "c:\\", buf, PATH_MAX));
}

10
test/libc/mem/realpath_test.c
View file

@ -20,6 +20,7 @@
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/strace.internal.h"
#include "libc/limits.h"
#include "libc/mem/gc.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
@ -79,3 +80,12 @@ TEST(realpath, test6) {
ASSERT_NE(NULL, name);
EXPECT_STREQ("/", name);
}
TEST(realpath, c_drive) {
if (!IsWindows())
return;
char buf[PATH_MAX];
ASSERT_STREQ("/c", realpath("c:", buf));
ASSERT_STREQ("/c", realpath("c:", buf));
ASSERT_STREQ("/c/Windows", realpath("c:\\Windows", buf));
}