diff options
| -rw-r--r-- | main.c | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -2925,16 +2925,14 @@ decode_env_switches (char *envar, unsigned int len) /* Allocate a vector that is definitely big enough. */ argv = alloca ((1 + len + 1) * sizeof (char *)); - /* We need a buffer to copy the value into while we split it into words - and unquote it. */ - buf = alloca (2 * len); - /* getopt will look at the arguments starting at ARGV[1]. Prepend a spacer word. */ argv[0] = 0; argc = 1; - /* Set up in case we need to prepend a dash later. */ + /* We need a buffer to copy the value into while we split it into words + and unquote it. Set up in case we need to prepend a dash later. */ + buf = alloca (1 + len + 1); buf[0] = '-'; p = buf+1; argv[argc] = p; @@ -2956,6 +2954,7 @@ decode_env_switches (char *envar, unsigned int len) } *p = '\0'; argv[++argc] = 0; + assert (p < buf + len + 2); if (argv[1][0] != '-' && strchr (argv[1], '=') == 0) /* The first word doesn't start with a dash and isn't a variable |