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53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
--- Modules/fcntlmodule.c.orig 2010-08-14 16:36:54.991363730 +0800
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+++ Modules/fcntlmodule.c 2010-08-14 16:41:05.555822031 +0800
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@@ -97,20 +97,15 @@
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{
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#define IOCTL_BUFSZ 1024
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int fd;
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- /* In PyArg_ParseTuple below, we use the unsigned non-checked 'I'
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+ /* In PyArg_ParseTuple below, we use the unsigned non-checked 'k'
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format for the 'code' parameter because Python turns 0x8000000
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into either a large positive number (PyLong or PyInt on 64-bit
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platforms) or a negative number on others (32-bit PyInt)
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whereas the system expects it to be a 32bit bit field value
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regardless of it being passed as an int or unsigned long on
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- various platforms. See the termios.TIOCSWINSZ constant across
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- platforms for an example of thise.
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-
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- If any of the 64bit platforms ever decide to use more than 32bits
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- in their unsigned long ioctl codes this will break and need
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- special casing based on the platform being built on.
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+ various platforms.
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*/
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- unsigned int code;
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+ unsigned long code;
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int arg;
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int ret;
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char *str;
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@@ -118,7 +113,7 @@
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int mutate_arg = 1;
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char buf[IOCTL_BUFSZ+1]; /* argument plus NUL byte */
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- if (PyArg_ParseTuple(args, "O&Iw#|i:ioctl",
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+ if (PyArg_ParseTuple(args, "O&kw#|i:ioctl",
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conv_descriptor, &fd, &code,
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&str, &len, &mutate_arg)) {
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char *arg;
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@@ -169,7 +164,7 @@
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}
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PyErr_Clear();
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- if (PyArg_ParseTuple(args, "O&Is#:ioctl",
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+ if (PyArg_ParseTuple(args, "O&ks#:ioctl",
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conv_descriptor, &fd, &code, &str, &len)) {
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if (len > IOCTL_BUFSZ) {
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PyErr_SetString(PyExc_ValueError,
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@@ -191,7 +186,7 @@
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PyErr_Clear();
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arg = 0;
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if (!PyArg_ParseTuple(args,
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- "O&I|i;ioctl requires a file or file descriptor,"
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+ "O&k|i;ioctl requires a file or file descriptor,"
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" an integer and optionally an integer or buffer argument",
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conv_descriptor, &fd, &code, &arg)) {
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return NULL;
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