diff options
Diffstat (limited to 'lang/python32/files/patch-python_mysnprintf.c')
-rw-r--r-- | lang/python32/files/patch-python_mysnprintf.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/lang/python32/files/patch-python_mysnprintf.c b/lang/python32/files/patch-python_mysnprintf.c deleted file mode 100644 index 276dd21a1b31..000000000000 --- a/lang/python32/files/patch-python_mysnprintf.c +++ /dev/null @@ -1,55 +0,0 @@ ---- Python/mysnprintf.c.orig 2001-12-21 16:32:15.000000000 +0000 -+++ Python/mysnprintf.c 2008-08-30 10:46:31.000000000 +0100 -@@ -54,18 +54,28 @@ - PyOS_vsnprintf(char *str, size_t size, const char *format, va_list va) - { - int len; /* # bytes written, excluding \0 */ --#ifndef HAVE_SNPRINTF -+#ifdef HAVE_SNPRINTF -+#define _PyOS_vsnprintf_EXTRA_SPACE 1 -+#else -+#define _PyOS_vsnprintf_EXTRA_SPACE 512 - char *buffer; - #endif - assert(str != NULL); - assert(size > 0); - assert(format != NULL); -+ /* We take a size_t as input but return an int. Sanity check -+ * our input so that it won't cause an overflow in the -+ * vsnprintf return value or the buffer malloc size. */ -+ if (size > INT_MAX - _PyOS_vsnprintf_EXTRA_SPACE) { -+ len = -666; -+ goto Done; -+ } - - #ifdef HAVE_SNPRINTF - len = vsnprintf(str, size, format, va); - #else - /* Emulate it. */ -- buffer = PyMem_MALLOC(size + 512); -+ buffer = PyMem_MALLOC(size + _PyOS_vsnprintf_EXTRA_SPACE); - if (buffer == NULL) { - len = -666; - goto Done; -@@ -75,7 +85,7 @@ - if (len < 0) - /* ignore the error */; - -- else if ((size_t)len >= size + 512) -+ else if ((size_t)len >= size + _PyOS_vsnprintf_EXTRA_SPACE) - Py_FatalError("Buffer overflow in PyOS_snprintf/PyOS_vsnprintf"); - - else { -@@ -86,8 +96,10 @@ - str[to_copy] = '\0'; - } - PyMem_FREE(buffer); --Done: - #endif -- str[size-1] = '\0'; -+Done: -+ if (size > 0) -+ str[size-1] = '\0'; - return len; -+#undef _PyOS_vsnprintf_EXTRA_SPACE - } |