diff options
| -rw-r--r-- | base/commandLine.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/base/commandLine.cpp b/base/commandLine.cpp index 61853a1ebc..6d187ac8b1 100644 --- a/base/commandLine.cpp +++ b/base/commandLine.cpp @@ -267,8 +267,9 @@ void registerDefaults() { #define DO_OPTION_INT(shortCmd, longCmd) \ DO_OPTION(shortCmd, longCmd) \ char *endptr = 0; \ - strtol(option, &endptr, 0); \ - if (endptr == NULL || *endptr != 0) usage("--%s: Invalid number '%s'", longCmd, option); + long int retval = strtol(option, &endptr, 0); \ + if (endptr == NULL || *endptr != 0 || retval == 0 || retval == LONG_MAX || retval == LONG_MIN || errno == ERANGE) \ + usage("--%s: Invalid number '%s'", longCmd, option); // Use this for boolean options; this distinguishes between "-x" and "-X", // resp. between "--some-option" and "--no-some-option". |