emscripten/tests/unistd/unlink.c at incoming · JavaScriptIOT/emscripten · GitHub

History

187 lines (164 loc) · 3.83 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

#include <assert.h>

#include <errno.h>

#include <fcntl.h>

#include <signal.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <sys/stat.h>

#ifdef __EMSCRIPTEN__

#include <emscripten.h>

#endif

static void create_file(const char *path, const char *buffer, int mode) {

int fd = open(path, O_WRONLY | O_CREAT | O_EXCL, mode);

assert(fd >= 0);

int err = write(fd, buffer, sizeof(char) * strlen(buffer));

assert(err == (sizeof(char) * strlen(buffer)));

close(fd);

}

void setup() {

mkdir("working", 0777);

#ifdef __EMSCRIPTEN__

#ifdef __EMSCRIPTEN_ASMFS__

mkdir("working", 0777);

#else

EM_ASM(

#if NODEFS

FS.mount(NODEFS, { root: '.' }, 'working');

#endif

);

#endif

chdir("working");

create_file("file", "test", 0777);

create_file("file1", "test", 0777);

#ifndef NO_SYMLINK

symlink("file1", "file1-link");

#endif

mkdir("dir-empty", 0777);

#ifndef NO_SYMLINK

symlink("dir-empty", "dir-empty-link");

#endif

mkdir("dir-readonly", 0777);

create_file("dir-readonly/anotherfile", "test", 0777);

mkdir("dir-readonly/anotherdir", 0777);

chmod("dir-readonly", 0555);

mkdir("dir-full", 0777);

create_file("dir-full/anotherfile", "test", 0777);

}

void cleanup() {

unlink("file");

unlink("file1");

#ifndef NO_SYMLINK

unlink("file1-link");

#endif

rmdir("dir-empty");

#ifndef NO_SYMLINK

unlink("dir-empty-link");

#endif

chmod("dir-readonly", 0777);

unlink("dir-readonly/anotherfile");

rmdir("dir-readonly/anotherdir");

rmdir("dir-readonly");

unlink("dir-full/anotherfile");

rmdir("dir-full");

}

void test() {

int err;

char buffer[512];

// test unlink

err = unlink("noexist");

assert(err == -1);

assert(errno == ENOENT);

err = unlink("dir-readonly");

assert(err == -1);

// emscripten uses 'musl' what is an implementation of the standard library for Linux-based systems

#if defined(__linux__) || defined(__EMSCRIPTEN__)

// Here errno is supposed to be EISDIR, but it is EPERM for NODERAWFS on macOS.

// See issue #6121.

assert(errno == EISDIR || errno == EPERM);

#else

assert(errno == EPERM);

#endif

#ifndef SKIP_ACCESS_TESTS

err = unlink("dir-readonly/anotherfile");

assert(err == -1);

assert(errno == EACCES);

#endif

#ifndef NO_SYMLINK

// try unlinking the symlink first to make sure

// we don't follow the link

err = unlink("file1-link");

assert(!err);

#endif

err = access("file1", F_OK);

assert(!err);

#ifndef NO_SYMLINK

err = access("file1-link", F_OK);

assert(err == -1);

#endif

err = unlink("file");

assert(!err);

err = access("file", F_OK);

assert(err == -1);

// test rmdir

err = rmdir("noexist");

assert(err == -1);

assert(errno == ENOENT);

err = rmdir("file1");

assert(err == -1);

assert(errno == ENOTDIR);

#ifndef SKIP_ACCESS_TESTS

err = rmdir("dir-readonly/anotherdir");

assert(err == -1);

assert(errno == EACCES);

#endif

err = rmdir("dir-full");

assert(err == -1);

assert(errno == ENOTEMPTY);

// test removing the cwd / root. The result isn't specified by

// POSIX, but Linux seems to set EBUSY in both cases.

#ifndef __APPLE__

getcwd(buffer, sizeof(buffer));

err = rmdir(buffer);

assert(err == -1);

#ifdef NODERAWFS

assert(errno == ENOTEMPTY);

#else

assert(errno == EBUSY);

#endif

err = rmdir("/");

assert(err == -1);

#ifdef __APPLE__

assert(errno == EISDIR);

#else

// errno is EISDIR for NODERAWFS on macOS. See issue #6121.

assert(errno == EBUSY || errno == EISDIR);

#endif

#ifndef NO_SYMLINK

err = rmdir("dir-empty-link");

assert(err == -1);

assert(errno == ENOTDIR);

#endif

err = rmdir("dir-empty");

assert(!err);

err = access("dir-empty", F_OK);

assert(err == -1);

puts("success");

}

int main() {

atexit(cleanup);

signal(SIGABRT, cleanup);

setup();

test();

#ifdef REPORT_RESULT

REPORT_RESULT(0);

#endif

return EXIT_SUCCESS;

}

emscripten/tests/unistd/unlink.c at incoming · JavaScriptIOT/emscripten · GitHub

Uh oh!

Expand file tree

Breadcrumbs

unlink.c

Latest commit

History

Breadcrumbs

unlink.c

File metadata and controls