diff options
| -rw-r--r-- | src/devices/grolbp/lbp.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/devices/grolbp/lbp.cpp b/src/devices/grolbp/lbp.cpp index c05b42ec3..c28f2e672 100644 --- a/src/devices/grolbp/lbp.cpp +++ b/src/devices/grolbp/lbp.cpp @@ -707,10 +707,11 @@ int main(int argc, char **argv) case 'w': { char *ptr; + errno = 0; long n = strtol(optarg, &ptr, 10); if (ptr == optarg) error("argument for -w must be a non-negative integer"); - else if (n < 0 || n > INT_MAX) + else if (errno == ERANGE || n < 0 || n > INT_MAX) error("out of range argument for -w"); else linewidth_factor = int(n); |