diff options
Diffstat (limited to 'src/sysdep.c')
-rw-r--r-- | src/sysdep.c | 26 |
1 files changed, 7 insertions, 19 deletions
diff --git a/src/sysdep.c b/src/sysdep.c index 29c88f5308e..eeb9d184940 100644 --- a/src/sysdep.c +++ b/src/sysdep.c @@ -314,33 +314,21 @@ get_current_dir_name_or_unreachable (void) && emacs_fstatat (AT_FDCWD, ".", &dotstat, 0) == 0 && dotstat.st_ino == pwdstat.st_ino && dotstat.st_dev == pwdstat.st_dev) - { - char *buf = malloc (pwdlen + 1); - if (!buf) - return NULL; - return memcpy (buf, pwd, pwdlen + 1); - } + return strdup (pwd); else { ptrdiff_t buf_size = min (bufsize_max, 1024); - char *buf = malloc (buf_size); - if (!buf) - return NULL; for (;;) { + char *buf = malloc (buf_size); + if (!buf) + return NULL; if (getcwd (buf, buf_size) == buf) return buf; - int getcwd_errno = errno; - if (getcwd_errno != ERANGE || buf_size == bufsize_max) - { - free (buf); - errno = getcwd_errno; - return NULL; - } + free (buf); + if (errno != ERANGE || buf_size == bufsize_max) + return NULL; buf_size = buf_size <= bufsize_max / 2 ? 2 * buf_size : bufsize_max; - buf = realloc (buf, buf_size); - if (!buf) - return NULL; } } } |