Issue 12404: Remove C89 incompatible code from mmap module.
Patch by Akira Kitada.
diff --git a/Misc/NEWS b/Misc/NEWS
index 2e33e7f..bddddfa 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -16,6 +16,9 @@
Library
-------
+- Issue #12404: Remove C89 incompatible code from mmap module. Patch by Akira
+ Kitada.
+
- Issue #11700: mailbox proxy object close methods can now be called multiple
times without error, and _ProxyFile now closes the wrapped file.
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index 3078279..a5027f5 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -1188,12 +1188,13 @@
# endif
if (fd != -1 && fstat(fd, &st) == 0 && S_ISREG(st.st_mode)) {
if (map_size == 0) {
+ off_t calc_size;
if (offset >= st.st_size) {
PyErr_SetString(PyExc_ValueError,
"mmap offset is greater than file size");
return NULL;
}
- off_t calc_size = st.st_size - offset;
+ calc_size = st.st_size - offset;
map_size = calc_size;
if (map_size != calc_size) {
PyErr_SetString(PyExc_ValueError,