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authorcvs2svn <cvs2svn@FreeBSD.org>2008-11-19 10:43:57 +0000
committercvs2svn <cvs2svn@FreeBSD.org>2008-11-19 10:43:57 +0000
commitf982be45e81588a27383cd1a3eb12789b8498904 (patch)
tree07be283d015b2c39f95e655cb7328ff355bc47fa /lang/python27/files/patch-python_mysnprintf.c
parent856c5bf9f133ae5d553d972d5a940586d3f56048 (diff)
Notes
Diffstat (limited to 'lang/python27/files/patch-python_mysnprintf.c')
-rw-r--r--lang/python27/files/patch-python_mysnprintf.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/lang/python27/files/patch-python_mysnprintf.c b/lang/python27/files/patch-python_mysnprintf.c
deleted file mode 100644
index 276dd21a1b31..000000000000
--- a/lang/python27/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
- }