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authorVictor Stinner <victor.stinner@gmail.com>2013-11-15 16:09:24 (GMT)
committerVictor Stinner <victor.stinner@gmail.com>2013-11-15 16:09:24 (GMT)
commit2f5bbc6a123dfb36ed1f89e9016ec356695bdd8a (patch)
tree25849ddd7133bafc5f4de5a163cd24cdc819c1b3 /Python
parent8bdc130121550fa99d7e76c84a06deda21000cd4 (diff)
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pythonrun.c: fix Py_GetPythonHome(), use Py_ARRAY_LENGTH() to get the size of
the env_home buffer, not PATH_MAX+1. env_home is declared using MAXPATHLEN+1, and PATH_MAX is not declared on IRIX.
Diffstat (limited to 'Python')
-rw-r--r--Python/pythonrun.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 832df53..e02dbe2 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -817,8 +817,9 @@ Py_GetPythonHome(void)
if (home == NULL && !Py_IgnoreEnvironmentFlag) {
char* chome = Py_GETENV("PYTHONHOME");
if (chome) {
- size_t r = mbstowcs(env_home, chome, PATH_MAX+1);
- if (r != (size_t)-1 && r <= PATH_MAX)
+ size_t size = Py_ARRAY_LENGTH(env_home);
+ size_t r = mbstowcs(env_home, chome, size);
+ if (r != (size_t)-1 && r < size)
home = env_home;
}