X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/f28ee65baadf611e7fb95e8ac1f795306da0ec1f..2b086e033cfcf377d6668ae121a7142766f4a6e8:/syscall.c

diff --git a/syscall.c b/syscall.c
index c6fd354b..58760664 100644
--- a/syscall.c
+++ b/syscall.c
@@ -23,16 +23,22 @@
 #include "rsync.h"
 
 extern int dry_run;
+extern int read_only;
+extern int list_only;
+
+#define CHECK_RO if (read_only || list_only) {errno = EROFS; return -1;}
 
 int do_unlink(char *fname)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return unlink(fname);
 }
 
 int do_symlink(char *fname1, char *fname2)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return symlink(fname1, fname2);
 }
 
@@ -40,6 +46,7 @@ int do_symlink(char *fname1, char *fname2)
 int do_link(char *fname1, char *fname2)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return link(fname1, fname2);
 }
 #endif
@@ -47,6 +54,7 @@ int do_link(char *fname1, char *fname2)
 int do_lchown(const char *path, uid_t owner, gid_t group)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return lchown(path, owner, group);
 }
 
@@ -54,6 +62,7 @@ int do_lchown(const char *path, uid_t owner, gid_t group)
 int do_mknod(char *pathname, mode_t mode, dev_t dev)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return mknod(pathname, mode, dev);
 }
 #endif
@@ -61,12 +70,18 @@ int do_mknod(char *pathname, mode_t mode, dev_t dev)
 int do_rmdir(char *pathname)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return rmdir(pathname);
 }
 
 int do_open(char *pathname, int flags, mode_t mode)
 {
 	if (dry_run) return -1;
+#ifdef O_BINARY
+	/* for Windows */
+	flags |= O_BINARY;
+#endif
+	CHECK_RO
 	return open(pathname, flags, mode);
 }
 
@@ -74,6 +89,7 @@ int do_open(char *pathname, int flags, mode_t mode)
 int do_chmod(const char *path, mode_t mode)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return chmod(path, mode);
 }
 #endif
@@ -81,18 +97,21 @@ int do_chmod(const char *path, mode_t mode)
 int do_rename(char *fname1, char *fname2)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return rename(fname1, fname2);
 }
 
 int do_mkdir(char *fname, mode_t mode)
 {
 	if (dry_run) return 0;
+	CHECK_RO
 	return mkdir(fname, mode);
 }
 
 char *do_mktemp(char *template)
 {
 	if (dry_run) return NULL;
+	if (read_only) {errno = EROFS; return NULL;}
 	return mktemp(template);
 }
 
@@ -135,6 +154,17 @@ OFF_T do_lseek(int fd, OFF_T offset, int whence)
 #endif
 }
 
+#ifdef USE_MMAP
+void *do_mmap(void *start, int len, int prot, int flags, int fd, OFF_T offset)
+{
+#if HAVE_OFF64_T
+	return mmap64(start, len, prot, flags, fd, offset);
+#else
+	return mmap(start, len, prot, flags, fd, offset);
+#endif
+}
+#endif
+
 char *d_name(struct dirent *di)
 {
 #if HAVE_BROKEN_READDIR