diff options
| -rw-r--r-- | drivers/unix/file_access_unix.cpp | 88 |
1 files changed, 65 insertions, 23 deletions
diff --git a/drivers/unix/file_access_unix.cpp b/drivers/unix/file_access_unix.cpp index d5a66d9a1c..ec97826a12 100644 --- a/drivers/unix/file_access_unix.cpp +++ b/drivers/unix/file_access_unix.cpp @@ -36,12 +36,17 @@ #include <sys/stat.h> #include <sys/types.h> +#if defined(UNIX_ENABLED) +#include <unistd.h> +#endif + #ifndef ANDROID_ENABLED #include <sys/statvfs.h> #endif #ifdef MSVC #define S_ISREG(m) ((m)&_S_IFREG) +#include <io.h> #endif #ifndef S_ISREG #define S_ISREG(m) ((m)&S_IFREG) @@ -85,13 +90,19 @@ Error FileAccessUnix::_open(const String &p_path, int p_mode_flags) { //printf("opening %s as %s\n", p_path.utf8().get_data(), path.utf8().get_data()); struct stat st; - if (stat(path.utf8().get_data(), &st) == 0) { + int err = stat(path.utf8().get_data(), &st); + if (err) + return ERR_FILE_CANT_OPEN; - if (!S_ISREG(st.st_mode)) + switch (st.st_mode & S_IFMT) { + case S_IFLNK: + case S_IFREG: + break; + default: return ERR_FILE_CANT_OPEN; - }; + } - if (is_backup_save_enabled() && p_mode_flags & WRITE && !(p_mode_flags & READ)) { + if (is_backup_save_enabled() && (p_mode_flags & WRITE) && !(p_mode_flags & READ)) { save_path = path; path = path + ".tmp"; //print_line("saving instead to "+path); @@ -108,15 +119,19 @@ Error FileAccessUnix::_open(const String &p_path, int p_mode_flags) { return OK; } } + void FileAccessUnix::close() { if (!f) return; + fclose(f); f = NULL; + if (close_notification_func) { close_notification_func(path, flags); } + if (save_path != "") { //unlink(save_path.utf8().get_data()); @@ -131,10 +146,12 @@ void FileAccessUnix::close() { ERR_FAIL_COND(rename_error != 0); } } + bool FileAccessUnix::is_open() const { return (f != NULL); } + void FileAccessUnix::seek(size_t p_position) { ERR_FAIL_COND(!f); @@ -143,29 +160,39 @@ void FileAccessUnix::seek(size_t p_position) { if (fseek(f, p_position, SEEK_SET)) check_errors(); } + void FileAccessUnix::seek_end(int64_t p_position) { ERR_FAIL_COND(!f); + + last_error = OK; if (fseek(f, p_position, SEEK_END)) check_errors(); } + size_t FileAccessUnix::get_pos() const { - size_t aux_position = 0; - if (!(aux_position = ftell(f))) { + ERR_FAIL_COND_V(!f, 0); + + last_error = OK; + int pos = ftell(f); + if (pos < 0) { check_errors(); - }; - return aux_position; + ERR_FAIL_V(0); + } + return pos; } + size_t FileAccessUnix::get_len() const { ERR_FAIL_COND_V(!f, 0); - FileAccessUnix *fau = const_cast<FileAccessUnix *>(this); - int pos = fau->get_pos(); - fau->seek_end(); - int size = fau->get_pos(); - fau->seek(pos); + int pos = ftell(f); + ERR_FAIL_COND_V(pos < 0, 0); + ERR_FAIL_COND_V(fseek(f, 0, SEEK_END), 0); + int size = ftell(f); + ERR_FAIL_COND_V(size < 0, 0); + ERR_FAIL_COND_V(fseek(f, pos, SEEK_SET), 0); return size; } @@ -202,22 +229,36 @@ Error FileAccessUnix::get_error() const { void FileAccessUnix::store_8(uint8_t p_dest) { ERR_FAIL_COND(!f); - fwrite(&p_dest, 1, 1, f); + ERR_FAIL_COND(fwrite(&p_dest, 1, 1, f) != 1); } bool FileAccessUnix::file_exists(const String &p_path) { - FILE *g; - //printf("opening file %s\n", p_fname.c_str()); + int err; + struct stat st; String filename = fix_path(p_path); - g = fopen(filename.utf8().get_data(), "rb"); - if (g == NULL) { + // Does the name exist at all? + err = stat(filename.utf8().get_data(), &st); + if (err) return false; - } else { - fclose(g); - return true; +#ifdef UNIX_ENABLED + // See if we have access to the file + if (access(filename.utf8().get_data(), F_OK)) + return false; +#else + if (_access(filename.utf8().get_data(), 4) == -1) + return false; +#endif + + // See if this is a regular file + switch (st.st_mode & S_IFMT) { + case S_IFLNK: + case S_IFREG: + return true; + default: + return false; } } @@ -225,9 +266,9 @@ uint64_t FileAccessUnix::_get_modified_time(const String &p_file) { String file = fix_path(p_file); struct stat flags; - bool success = (stat(file.utf8().get_data(), &flags) == 0); + int err = stat(file.utf8().get_data(), &flags); - if (success) { + if (!err) { return flags.st_mtime; } else { print_line("ERROR IN: " + p_file); @@ -249,6 +290,7 @@ FileAccessUnix::FileAccessUnix() { flags = 0; last_error = OK; } + FileAccessUnix::~FileAccessUnix() { close(); |