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/src/nvim/ex_docmd.c: 5033 in ex_restart()
5027 // The address after --listen may be in use by the current server.
5028 if (i > 0 && strequal(arg, "--listen")) {
5029 const listitem_T *next_li = li->li_next;
5030 if (next_li != NULL) {
5031 const char *addr = tv_get_string(TV_LIST_ITEM_TV(next_li));
5032 if (strstr(addr, ":") || strstr(addr, "/") || strstr(addr, "\\")) {
>>> CID 649201: Resource leaks (RESOURCE_LEAK)
>>> Overwriting "listen_arg" in "listen_arg = xstrdup(addr)" leaks the storage that "listen_arg" points to.
5033 listen_arg = TO_SLASH_SAVE(addr);
5034 #ifdef MSWIN
5035 // On Windows, don't pass --listen to new server (named pipe can't be reused immediately).
5036 // Instead pass the address via RPC; new server rebinds after startup.
5037 li = next_li;
5038 continue;
*** CID 649200: Memory - illegal accesses (USE_AFTER_FREE)
/src/nvim/eval/fs.c: 228 in modify_fname()
222
223 // ":h" - head, remove "/file_name", can be repeated
224 // Don't remove the logical root, see `FileInfo`.
225 while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h') {
226 valid |= VALID_HEAD;
227 *usedlen += 2;
>>> CID 649200: Memory - illegal accesses (USE_AFTER_FREE)
>>> Using freed pointer "s".
228 while (tail > s && after_pathsep(s, tail)) {
229 MB_PTR_BACK(*fnamep, tail);
230 }
231 *fnamelen = tail <= s ? (size_t)(s - *fnamep) : (size_t)(tail - *fnamep);
232 if (*fnamelen == 0) {
233 // Result is empty. Turn it into "." to make ":cd %:h" work.
229 lines
8.1 KiB
Lua
229 lines
8.1 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local clear = n.clear
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local eq = t.eq
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local fnamemodify = n.fn.fnamemodify
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local getcwd = n.fn.getcwd
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local command = n.command
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local write_file = t.write_file
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local is_os = t.is_os
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local chdir = n.fn.chdir
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describe('fnamemodify()', function()
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setup(function()
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write_file('Xtest-fnamemodify.txt', [[foobar]])
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t.mkdir('foo')
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write_file('foo/bar', [[bar]])
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end)
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before_each(clear)
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teardown(function()
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os.remove('Xtest-fnamemodify.txt')
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n.rmdir('foo')
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end)
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it('handles the root path', function()
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local root = assert(t.fix_slashes(n.pathroot()))
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eq(root, fnamemodify([[/]], ':p:h'))
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eq(root, fnamemodify([[/]], ':p'))
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if is_os('win') then
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eq(root, fnamemodify([[\]], ':p:h'))
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eq(root, fnamemodify([[\]], ':p'))
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command('set shellslash')
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eq(root, fnamemodify([[\]], ':p:h'))
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eq(root, fnamemodify([[\]], ':p'))
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eq(root, fnamemodify([[/]], ':p:h'))
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eq(root, fnamemodify([[/]], ':p'))
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local letter_colon = root:sub(1, 2)
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local old_dir = ('%s/'):format(getcwd())
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local foo_dir = old_dir .. 'foo/'
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eq(old_dir, fnamemodify(letter_colon, ':p'))
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eq(old_dir, fnamemodify(letter_colon .. '.', ':p'))
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eq(old_dir, fnamemodify(letter_colon .. './', ':p'))
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eq(foo_dir, fnamemodify(letter_colon .. './foo', ':p'))
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eq(foo_dir, fnamemodify(letter_colon .. 'foo', ':p'))
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chdir('foo')
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eq(old_dir, fnamemodify(letter_colon .. '..', ':p'))
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eq(old_dir, fnamemodify(letter_colon .. '../', ':p'))
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eq(foo_dir .. 'bar', fnamemodify(letter_colon .. 'bar', ':p'))
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end
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end)
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it(':8 works', function()
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eq('Xtest-fnamemodify.txt', fnamemodify([[Xtest-fnamemodify.txt]], ':8'))
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end)
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it('handles examples from ":help filename-modifiers"', function()
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-- src/ cannot be a symlink in this test.
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n.api.nvim_set_current_dir(t.paths.test_source_path)
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local filename = 'src/version.c'
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local cwd = vim.fs.normalize(getcwd())
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eq(('%s/src/version.c'):format(cwd), fnamemodify(filename, ':p'))
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eq('src/version.c', fnamemodify(filename, ':p:.'))
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eq(('%s/src'):format(cwd), fnamemodify(filename, ':p:h'))
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eq(cwd, fnamemodify(filename, ':p:h:h'))
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eq('version.c', fnamemodify(filename, ':p:t'))
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eq(('%s/src/version'):format(cwd), fnamemodify(filename, ':p:r'))
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eq(('%s/src/main.c'):format(cwd), fnamemodify(filename, ':s?version?main?:p'))
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local converted_cwd = cwd:gsub('/', '\\')
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eq(converted_cwd .. '\\src\\version.c', fnamemodify(filename, ':p:gs?/?\\\\?'))
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eq('src', fnamemodify(filename, ':h'))
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eq('version.c', fnamemodify(filename, ':t'))
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eq('src/version', fnamemodify(filename, ':r'))
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eq('version', fnamemodify(filename, ':t:r'))
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eq('c', fnamemodify(filename, ':e'))
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eq('src/main.c', fnamemodify(filename, ':s?version?main?'))
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end)
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it('handles advanced examples from ":help filename-modifiers"', function()
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local filename = 'src/version.c.gz'
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eq('gz', fnamemodify(filename, ':e'))
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eq('c.gz', fnamemodify(filename, ':e:e'))
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eq('c.gz', fnamemodify(filename, ':e:e:e'))
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eq('c', fnamemodify(filename, ':e:e:r'))
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eq('src/version.c', fnamemodify(filename, ':r'))
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eq('c', fnamemodify(filename, ':r:e'))
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eq('src/version', fnamemodify(filename, ':r:r'))
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eq('src/version', fnamemodify(filename, ':r:r:r'))
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end)
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it('handles :h', function()
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-- generic path
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eq('.', fnamemodify('hello.txt', ':h'))
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-- Repeated ":h" on a bare name: the first ":h" replaces the buffer with ".", the
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-- next must re-anchor into it and not read the freed buffer (Coverity CID 649200).
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eq('.', fnamemodify('hello.txt', ':h:h'))
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eq('.', fnamemodify('hello.txt', ':h:h:h'))
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eq('path/to', fnamemodify('path/to/hello.txt', ':h'))
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eq('/', fnamemodify('/', ':h'))
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eq('/', fnamemodify('/foo', ':h'))
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-- collapses more than two leading slashes into a single slash
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eq('/', fnamemodify('///', ':h'))
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eq('/', fnamemodify('////', ':h'))
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eq('/', fnamemodify('///foo', ':h'))
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eq('/foo', fnamemodify('///foo/bar', ':h'))
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eq('/foo', fnamemodify('///foo////bar', ':h'))
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eq('/foo', fnamemodify('////foo/bar', ':h'))
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-- preserves exactly two leading slashes
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eq('//', fnamemodify('//', ':h'))
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if not is_os('win') then
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-- POSIX permits special handling for exactly two leading slashes.
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eq('//', fnamemodify('//', ':h'))
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eq('//', fnamemodify('//foo', ':h'))
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eq('//foo', fnamemodify('//foo/bar', ':h'))
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eq('//foo', fnamemodify('//foo///bar', ':h'))
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else
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eq('//server', fnamemodify('//server', ':h'))
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eq('//server/share', fnamemodify('//server/share', ':h'))
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eq('//server/share/', fnamemodify('//server/share/', ':h'))
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eq('//server///share', fnamemodify('//server///share', ':h'))
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eq('//server/share/', fnamemodify('//server/share/foo', ':h'))
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eq([[//foo/C$]], fnamemodify([[\\foo\C$]], ':h'))
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eq([[//foo/C$/]], fnamemodify([[\\foo\C$\]], ':h'))
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eq([[//foo/C$/]], fnamemodify([[\\foo\C$\bar]], ':h'))
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eq([[//foo/C$/]], fnamemodify([[\\foo\C$\bar]], ':h:h'))
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eq([[//foo/C$/]], fnamemodify([[//foo\C$/bar]], ':h'))
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-- `C$` is a share name, not a file name
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eq('', fnamemodify('//foo/C$/bar', ':h:t'))
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eq('C:', fnamemodify('C:foo', ':h'))
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eq('C:/', fnamemodify('C:/foo', ':h'))
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eq('//?/C:/', fnamemodify('//?/C:/', ':h'))
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eq('//?/C:/', fnamemodify('//?/C:/foo', ':h'))
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eq(
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'//?/Volume{b75e2c83-0000-0000-0000-602f00000000}/',
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fnamemodify('//?/Volume{b75e2c83-0000-0000-0000-602f00000000}/foo', ':h')
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)
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eq(
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'//?/Volume{b75e2c83-0000-0000-0000-602f00000000}/',
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fnamemodify('///?/Volume{b75e2c83-0000-0000-0000-602f00000000}/foo', ':h')
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)
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eq('//?/UNC/server', fnamemodify('//?/UNC/server', ':h'))
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eq('//?/UNC/server/share', fnamemodify('//?/UNC/server/share', ':h'))
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eq('//?/UNC/server/share/', fnamemodify('//?/UNC/server/share/foo', ':h'))
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end
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end)
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it('handles :t', function()
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eq('hello.txt', fnamemodify('hello.txt', ':t'))
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eq('hello.txt', fnamemodify('path/to/hello.txt', ':t'))
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end)
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it('handles :r', function()
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eq('hello', fnamemodify('hello.txt', ':r'))
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eq('path/to/hello', fnamemodify('path/to/hello.txt', ':r'))
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end)
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it('handles :e', function()
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eq('txt', fnamemodify('hello.txt', ':e'))
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eq('txt', fnamemodify('path/to/hello.txt', ':e'))
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end)
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it('handles regex replacements', function()
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eq('content-there-here.txt', fnamemodify('content-here-here.txt', ':s/here/there/'))
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eq('content-there-there.txt', fnamemodify('content-here-here.txt', ':gs/here/there/'))
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end)
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it('handles shell escape', function()
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local expected
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if is_os('win') then
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-- we expand with double-quotes on Windows
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expected = [["hello there! quote ' newline]] .. '\n' .. [["]]
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else
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expected = [['hello there! quote '\'' newline]] .. '\n' .. [[']]
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end
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eq(expected, fnamemodify("hello there! quote ' newline\n", ':S'))
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end)
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it('can combine :e and :r', function()
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-- simple, single extension filename
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eq('c', fnamemodify('a.c', ':e'))
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eq('c', fnamemodify('a.c', ':e:e'))
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eq('c', fnamemodify('a.c', ':e:e:r'))
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eq('c', fnamemodify('a.c', ':e:e:r:r'))
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-- multi extension filename
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eq('rb', fnamemodify('a.spec.rb', ':e:r'))
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eq('rb', fnamemodify('a.spec.rb', ':e:r:r'))
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eq('spec', fnamemodify('a.spec.rb', ':e:e:r'))
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eq('spec', fnamemodify('a.spec.rb', ':e:e:r:r'))
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eq('spec', fnamemodify('a.b.spec.rb', ':e:e:r'))
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eq('b.spec', fnamemodify('a.b.spec.rb', ':e:e:e:r'))
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eq('b', fnamemodify('a.b.spec.rb', ':e:e:e:r:r'))
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eq('spec', fnamemodify('a.b.spec.rb', ':r:e'))
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eq('b', fnamemodify('a.b.spec.rb', ':r:r:e'))
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-- extraneous :e expansions
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eq('c', fnamemodify('a.b.c.d.e', ':r:r:e'))
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eq('b.c', fnamemodify('a.b.c.d.e', ':r:r:e:e'))
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-- :e never includes the whole filename, so "a.b":e:e:e --> "b"
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eq('b.c', fnamemodify('a.b.c.d.e', ':r:r:e:e:e'))
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eq('b.c', fnamemodify('a.b.c.d.e', ':r:r:e:e:e:e'))
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end)
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end)
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