diff options
Diffstat (limited to 'drivers/unix/file_access_unix.cpp')
| -rw-r--r-- | drivers/unix/file_access_unix.cpp | 87 |
1 files changed, 66 insertions, 21 deletions
diff --git a/drivers/unix/file_access_unix.cpp b/drivers/unix/file_access_unix.cpp index 6e045817bc..e3026f9fd9 100644 --- a/drivers/unix/file_access_unix.cpp +++ b/drivers/unix/file_access_unix.cpp @@ -38,6 +38,8 @@ #include <sys/stat.h> #include <sys/types.h> +#include <errno.h> + #if defined(UNIX_ENABLED) #include <unistd.h> #endif @@ -54,9 +56,15 @@ #define S_ISREG(m) ((m)&S_IFREG) #endif +#ifndef NO_FCNTL +#include <fcntl.h> +#else +#include <sys/ioctl.h> +#endif + void FileAccessUnix::check_errors() const { - ERR_FAIL_COND(!f); + ERR_FAIL_COND_MSG(!f, "File must be opened before use."); if (feof(f)) { @@ -74,7 +82,7 @@ Error FileAccessUnix::_open(const String &p_path, int p_mode_flags) { path = fix_path(p_path); //printf("opening %ls, %i\n", path.c_str(), Memory::get_static_mem_usage()); - ERR_FAIL_COND_V(f, ERR_ALREADY_IN_USE); + ERR_FAIL_COND_V_MSG(f, ERR_ALREADY_IN_USE, "File is already in use."); const char *mode_string; if (p_mode_flags == READ) @@ -112,13 +120,33 @@ Error FileAccessUnix::_open(const String &p_path, int p_mode_flags) { f = fopen(path.utf8().get_data(), mode_string); if (f == NULL) { - last_error = ERR_FILE_CANT_OPEN; - return ERR_FILE_CANT_OPEN; - } else { - last_error = OK; - flags = p_mode_flags; - return OK; + switch (errno) { + case ENOENT: { + last_error = ERR_FILE_NOT_FOUND; + } break; + default: { + last_error = ERR_FILE_CANT_OPEN; + } break; + } + return last_error; } + + // Set close on exec to avoid leaking it to subprocesses. + int fd = fileno(f); + + if (fd != -1) { +#if defined(NO_FCNTL) + unsigned long par = 0; + ioctl(fd, FIOCLEX, &par); +#else + int opts = fcntl(fd, F_GETFD); + fcntl(fd, F_SETFD, opts | FD_CLOEXEC); +#endif + } + + last_error = OK; + flags = p_mode_flags; + return OK; } void FileAccessUnix::close() { @@ -162,7 +190,7 @@ String FileAccessUnix::get_path_absolute() const { void FileAccessUnix::seek(size_t p_position) { - ERR_FAIL_COND(!f); + ERR_FAIL_COND_MSG(!f, "File must be opened before use."); last_error = OK; if (fseek(f, p_position, SEEK_SET)) @@ -171,7 +199,7 @@ void FileAccessUnix::seek(size_t p_position) { void FileAccessUnix::seek_end(int64_t p_position) { - ERR_FAIL_COND(!f); + ERR_FAIL_COND_MSG(!f, "File must be opened before use."); if (fseek(f, p_position, SEEK_END)) check_errors(); @@ -179,7 +207,7 @@ void FileAccessUnix::seek_end(int64_t p_position) { size_t FileAccessUnix::get_position() const { - ERR_FAIL_COND_V(!f, 0); + ERR_FAIL_COND_V_MSG(!f, 0, "File must be opened before use."); long pos = ftell(f); if (pos < 0) { @@ -191,7 +219,7 @@ size_t FileAccessUnix::get_position() const { size_t FileAccessUnix::get_len() const { - ERR_FAIL_COND_V(!f, 0); + ERR_FAIL_COND_V_MSG(!f, 0, "File must be opened before use."); long pos = ftell(f); ERR_FAIL_COND_V(pos < 0, 0); @@ -210,7 +238,7 @@ bool FileAccessUnix::eof_reached() const { uint8_t FileAccessUnix::get_8() const { - ERR_FAIL_COND_V(!f, 0); + ERR_FAIL_COND_V_MSG(!f, 0, "File must be opened before use."); uint8_t b; if (fread(&b, 1, 1, f) == 0) { check_errors(); @@ -221,7 +249,7 @@ uint8_t FileAccessUnix::get_8() const { int FileAccessUnix::get_buffer(uint8_t *p_dst, int p_length) const { - ERR_FAIL_COND_V(!f, -1); + ERR_FAIL_COND_V_MSG(!f, -1, "File must be opened before use."); int read = fread(p_dst, 1, p_length, f); check_errors(); return read; @@ -234,18 +262,20 @@ Error FileAccessUnix::get_error() const { void FileAccessUnix::flush() { - ERR_FAIL_COND(!f); + ERR_FAIL_COND_MSG(!f, "File must be opened before use."); fflush(f); } void FileAccessUnix::store_8(uint8_t p_dest) { - ERR_FAIL_COND(!f); + ERR_FAIL_COND_MSG(!f, "File must be opened before use."); ERR_FAIL_COND(fwrite(&p_dest, 1, 1, f) != 1); } void FileAccessUnix::store_buffer(const uint8_t *p_src, int p_length) { - ERR_FAIL_COND(!f); + + ERR_FAIL_COND_MSG(!f, "File must be opened before use."); + ERR_FAIL_COND(!p_src); ERR_FAIL_COND((int)fwrite(p_src, 1, p_length, f) != p_length); } @@ -288,13 +318,28 @@ uint64_t FileAccessUnix::_get_modified_time(const String &p_file) { if (!err) { return flags.st_mtime; } else { - ERR_EXPLAIN("Failed to get modified time for: " + p_file); - ERR_FAIL_V(0); + ERR_FAIL_V_MSG(0, "Failed to get modified time for: " + p_file + "."); + }; +} + +uint32_t FileAccessUnix::_get_unix_permissions(const String &p_file) { + + String file = fix_path(p_file); + struct stat flags; + int err = stat(file.utf8().get_data(), &flags); + + if (!err) { + return flags.st_mode & 0x7FF; //only permissions + } else { + ERR_FAIL_V_MSG(0, "Failed to get unix permissions for: " + p_file + "."); }; } -Error FileAccessUnix::_chmod(const String &p_path, int p_mod) { - int err = chmod(p_path.utf8().get_data(), p_mod); +Error FileAccessUnix::_set_unix_permissions(const String &p_file, uint32_t p_permissions) { + + String file = fix_path(p_file); + + int err = chmod(file.utf8().get_data(), p_permissions); if (!err) { return OK; } |