diff options
Diffstat (limited to 'sys-utils/fallocate.c')
| -rw-r--r-- | sys-utils/fallocate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys-utils/fallocate.c b/sys-utils/fallocate.c index 66e976492..be715777b 100644 --- a/sys-utils/fallocate.c +++ b/sys-utils/fallocate.c @@ -31,6 +31,7 @@ #include <unistd.h> #include <getopt.h> #include <err.h> +#include <limits.h> #ifndef HAVE_FALLOCATE # include <sys/syscall.h> @@ -69,7 +70,12 @@ static loff_t cvtnum(char *s) loff_t i; char *sp; + errno = 0; i = strtoll(s, &sp, 0); + + if ((errno == ERANGE && (i == LLONG_MAX || i == LLONG_MIN)) || + (errno != 0 && i == 0)) + return -1LL; if (i == 0 && sp == s) return -1LL; if (*sp == '\0') |