diff options
Diffstat (limited to 'winsup/cygwin/environ.cc')
| -rw-r--r-- | winsup/cygwin/environ.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/winsup/cygwin/environ.cc b/winsup/cygwin/environ.cc index 4d535e436..962dc42f9 100644 --- a/winsup/cygwin/environ.cc +++ b/winsup/cygwin/environ.cc @@ -910,7 +910,16 @@ build_env (const char * const *envp, char *&envblock, int &envc, /* See if we need to increase the size of the block. */ if (new_tl > tl) - envblock = (char *) realloc (envblock, 2 + (tl += len + 100)); + { + char *new_envblock = + (char *) realloc (envblock, 2 + (tl += len + 100)); + /* If realloc moves the block, move `s' with it. */ + if (new_envblock != envblock) + { + s += new_envblock - envblock; + envblock = new_envblock; + } + } memcpy (s, p, len + 1); |