[Python-checkins] cpython: tracemalloc: fix usage of strtol(), value can be LONG_MIN or LONG_MAX on ERANGE

[victor.stinner]

http://hg.python.org/cpython/rev/9885e0e85c7c
changeset:   88013:9885e0e85c7c
user:        Victor Stinner <victor.stinner at gmail.com>
date:        Mon Dec 16 23:06:19 2013 +0100
summary:
  tracemalloc: fix usage of strtol(), value can be LONG_MIN or LONG_MAX on ERANGE

files:
  Modules/_tracemalloc.c |  3 ++-
  1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -1373,11 +1373,12 @@
         char *endptr = p;
         long value;
 
+        errno = 0;
         value = strtol(p, &endptr, 10);
         if (*endptr != '\0'
             || value < 1
             || value > MAX_NFRAME
-            || (errno == ERANGE && value == ULONG_MAX))
+            || errno == ERANGE)
         {
             Py_FatalError("PYTHONTRACEMALLOC: invalid number of frames");
             return -1;

-- 
Repository URL: http://hg.python.org/cpython