diff options
Diffstat (limited to 'src/xz/io.c')
| -rw-r--r-- | src/xz/io.c | 39 |
1 files changed, 25 insertions, 14 deletions
diff --git a/src/xz/io.c b/src/xz/io.c index b8b8d8d7..5ee84a95 100644 --- a/src/xz/io.c +++ b/src/xz/io.c @@ -21,6 +21,10 @@ #include <fcntl.h> +#ifdef DOSLIKE +# include <io.h> +#endif + #if defined(HAVE_FUTIMES) || defined(HAVE_FUTIMESAT) || defined(HAVE_UTIMES) # include <sys/time.h> #elif defined(HAVE_UTIME) @@ -35,7 +39,7 @@ # define O_NOCTTY 0 #endif -#ifndef _WIN32 +#ifndef DOSLIKE # include "open_stdxxx.h" static bool warn_fchown; #endif @@ -44,7 +48,7 @@ static bool warn_fchown; extern void io_init(void) { -#ifndef _WIN32 +#ifndef DOSLIKE // Make sure that stdin, stdout, and and stderr are connected to // a valid file descriptor. Exit immediatelly with exit code ERROR // if we cannot make the file descriptors valid. Maybe we should @@ -56,6 +60,13 @@ io_init(void) warn_fchown = geteuid() == 0; #endif +#ifdef __DJGPP__ + // Avoid doing useless things when statting files. + // This isn't important but doesn't hurt. + _djstat_flags = _STAT_INODE | _STAT_EXEC_EXT + | _STAT_EXEC_MAGIC | _STAT_DIRSIZE; +#endif + return; } @@ -70,7 +81,7 @@ static void io_unlink(const char *name, const struct stat *known_st) { // On Windows, st_ino is meaningless, so don't bother testing it. -#ifndef _WIN32 +#ifndef DOSLIKE struct stat new_st; if (lstat(name, &new_st) @@ -98,7 +109,7 @@ static void io_copy_attrs(const file_pair *pair) { // Skip chown and chmod on Windows. -#ifndef _WIN32 +#ifndef DOSLIKE // This function is more tricky than you may think at first. // Blindly copying permissions may permit users to access the // destination file who didn't have permission to access the @@ -233,7 +244,7 @@ io_open_src(file_pair *pair) // There's nothing to open when reading from stdin. if (pair->src_name == stdin_filename) { pair->src_fd = STDIN_FILENO; -#ifdef _WIN32 +#ifdef DOSLIKE setmode(STDIN_FILENO, O_BINARY); #endif return false; @@ -246,7 +257,7 @@ io_open_src(file_pair *pair) // Flags for open() int flags = O_RDONLY | O_BINARY | O_NOCTTY; -#ifndef _WIN32 +#ifndef DOSLIKE // If we accept only regular files, we need to be careful to avoid // problems with special files like devices and FIFOs. O_NONBLOCK // prevents blocking when opening such files. When we want to accept @@ -259,7 +270,7 @@ io_open_src(file_pair *pair) #if defined(O_NOFOLLOW) if (reg_files_only) flags |= O_NOFOLLOW; -#elif !defined(_WIN32) +#elif !defined(DOSLIKE) // Some POSIX-like systems lack O_NOFOLLOW (it's not required // by POSIX). Check for symlinks with a separate lstat() on // these systems. @@ -363,7 +374,7 @@ io_open_src(file_pair *pair) return true; } -#ifndef _WIN32 +#ifndef DOSLIKE // Drop O_NONBLOCK, which is used only when we are accepting only // regular files. After the open() call, we want things to block // instead of giving EAGAIN. @@ -398,7 +409,7 @@ io_open_src(file_pair *pair) } // These are meaningless on Windows. -#ifndef _WIN32 +#ifndef DOSLIKE if (pair->src_st.st_mode & (S_ISUID | S_ISGID)) { // gzip rejects setuid and setgid files even // when --force was used. bzip2 doesn't check @@ -450,7 +461,7 @@ static void io_close_src(file_pair *pair, bool success) { if (pair->src_fd != STDIN_FILENO && pair->src_fd != -1) { -#ifdef _WIN32 +#ifdef DOSLIKE (void)close(pair->src_fd); #endif @@ -459,12 +470,12 @@ io_close_src(file_pair *pair, bool success) // happens to get same inode number, which would make us // unlink() wrong file. // - // NOTE: Windows is an exception to this, because it doesn't - // allow unlinking files that are open. *sigh* + // NOTE: DOS-like systems are an exception to this, because + // they don't allow unlinking files that are open. *sigh* if (success && !opt_keep_original) io_unlink(pair->src_name, &pair->src_st); -#ifndef _WIN32 +#ifndef DOSLIKE (void)close(pair->src_fd); #endif } @@ -480,7 +491,7 @@ io_open_dest(file_pair *pair) // We don't modify or free() this. pair->dest_name = (char *)"(stdout)"; pair->dest_fd = STDOUT_FILENO; -#ifdef _WIN32 +#ifdef DOSLIKE setmode(STDOUT_FILENO, O_BINARY); #endif return false; |