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add symlink capabilities to fd.c

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This commit is contained in:
John Alanbrook
2025-12-04 14:19:02 -06:00
parent 95ac4bd096
commit 20fa012b57
1 changed files with 59 additions and 5 deletions
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64
scripts/fd.c
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@@ -205,11 +205,6 @@ JSC_SCALL(fd_mkdir,
ret = JS_ThrowInternalError(js, "could not make directory %s: %s", str, strerror(errno)); ret = JS_ThrowInternalError(js, "could not make directory %s: %s", str, strerror(errno));
) )
JSC_SCALL(fd_unlink,
if (unlink(str) != 0)
ret = JS_ThrowInternalError(js, "could not remove file %s: %s", str, strerror(errno));
)
JSC_SCALL(fd_mv, JSC_SCALL(fd_mv,
if (argc < 2) if (argc < 2)
ret = JS_ThrowTypeError(js, "fd.mv requires 2 arguments: old path and new path"); ret = JS_ThrowTypeError(js, "fd.mv requires 2 arguments: old path and new path");
@@ -245,6 +240,29 @@ JSC_SCALL(fd_symlink,
} }
) )
JSC_SCALL(fd_unlink,
#ifdef _WIN32
// On Windows, try to remove read-only attribute first
DWORD attrs = GetFileAttributesA(str);
if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_READONLY)) {
SetFileAttributesA(str, attrs & ~FILE_ATTRIBUTE_READONLY);
}
if (!DeleteFileA(str)) {
DWORD err = GetLastError();
if (err == ERROR_ACCESS_DENIED) {
// Might be a directory, try RemoveDirectory
if (!RemoveDirectoryA(str))
ret = JS_ThrowInternalError(js, "could not remove %s: error %lu", str, GetLastError());
} else {
ret = JS_ThrowInternalError(js, "could not remove file %s: error %lu", str, err);
}
}
#else
if (unlink(str) != 0)
ret = JS_ThrowInternalError(js, "could not remove file %s: %s", str, strerror(errno));
#endif
)
// Helper function for recursive removal // Helper function for recursive removal
static int remove_recursive(const char *path) { static int remove_recursive(const char *path) {
struct stat st; struct stat st;
@@ -570,6 +588,40 @@ JSC_SCALL(fd_enumerate,
ret = results; ret = results;
) )
JSC_CCALL(fd_realpath,
const char *path = JS_ToCString(js, argv[0]);
if (!path) return JS_EXCEPTION;
#ifdef _WIN32
char resolved[PATH_MAX];
DWORD len = GetFullPathNameA(path, PATH_MAX, resolved, NULL);
JS_FreeCString(js, path);
if (len == 0 || len >= PATH_MAX) {
return JS_ThrowInternalError(js, "realpath failed: %s", strerror(errno));
}
return JS_NewString(js, resolved);
#else
char *resolved = realpath(path, NULL);
JS_FreeCString(js, path);
if (!resolved) {
return JS_ThrowInternalError(js, "realpath failed: %s", strerror(errno));
}
JSValue result = JS_NewString(js, resolved);
free(resolved);
return result;
#endif
)
JSC_CCALL(fd_is_link,
const char *path = JS_ToCString(js, argv[0]);
if (!path) return JS_EXCEPTION;
struct stat st;
if (lstat(path, &st) == 0 && S_ISLNK(st.st_mode))
return JS_NewBool(js, 1);
return JS_NewBool(js, 0);
)
static const JSCFunctionListEntry js_fd_funcs[] = { static const JSCFunctionListEntry js_fd_funcs[] = {
MIST_FUNC_DEF(fd, open, 2), MIST_FUNC_DEF(fd, open, 2),
MIST_FUNC_DEF(fd, write, 2), MIST_FUNC_DEF(fd, write, 2),
@@ -590,8 +642,10 @@ static const JSCFunctionListEntry js_fd_funcs[] = {
MIST_FUNC_DEF(fd, readdir, 1), MIST_FUNC_DEF(fd, readdir, 1),
MIST_FUNC_DEF(fd, is_file, 1), MIST_FUNC_DEF(fd, is_file, 1),
MIST_FUNC_DEF(fd, is_dir, 1), MIST_FUNC_DEF(fd, is_dir, 1),
MIST_FUNC_DEF(fd, is_link, 1),
MIST_FUNC_DEF(fd, enumerate, 2), MIST_FUNC_DEF(fd, enumerate, 2),
MIST_FUNC_DEF(fd, symlink, 2), MIST_FUNC_DEF(fd, symlink, 2),
MIST_FUNC_DEF(fd, realpath, 1),
}; };
JSValue js_fd_use(JSContext *js) { JSValue js_fd_use(JSContext *js) {