From: Martin Quinson <martin.quinson@loria.fr>
Date: Tue, 1 Mar 2016 10:41:15 +0000 (+0100)
Subject: Ceterum censeo Applem delendam esse.
X-Git-Tag: v3_13~605
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/0bc2740b6923e41e295c2a244853cd84c82f47ce?ds=sidebyside

Ceterum censeo Applem delendam esse.
---

diff --git a/src/smpi/smpi_bench.cpp b/src/smpi/smpi_bench.cpp
index 21f2fd0b5c..bbc31dc828 100644
--- a/src/smpi/smpi_bench.cpp
+++ b/src/smpi/smpi_bench.cpp
@@ -489,8 +489,8 @@ void *smpi_shared_malloc(size_t size, const char *file, int line)
     if (res.second) {
       // The insertion did not take place.
       // Generate a shared memory name from the address of the shared_data:
-      char shmname[256];
-      sprintf(shmname, "/shmalloc%p", &*data);
+      char shmname[32]; // cannot be longer than PSHMNAMLEN = 31 on Mac OS X (shm_open raises ENAMETOOLONG otherwise)
+      snprintf(shmname, 31, "/shmalloc%p", &*data);
       fd = shm_open(shmname, O_RDWR | O_CREAT | O_EXCL,
                     S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
       if (fd < 0) {