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| author | Daniil Baturin <daniil@baturin.org> | 2022-05-10 15:04:28 +0300 |
|---|---|---|
| committer | Daniil Baturin <daniil@baturin.org> | 2022-05-10 15:04:28 +0300 |
| commit | 4aa302a05fad95f3d13eb2ff20bbfee88c32e7ff (patch) | |
| tree | b73f26786d52f25aee8e2334f45a3538bd8337c3 /src | |
| parent | 5bbda46493d0c11c8a90e50a68c9788a7488345e (diff) | |
| download | vyos-utils-4aa302a05fad95f3d13eb2ff20bbfee88c32e7ff.tar.gz vyos-utils-4aa302a05fad95f3d13eb2ff20bbfee88c32e7ff.zip | |
T4421: only allow numbers that look like an integer part with an optional fractional part
Diffstat (limited to 'src')
| -rw-r--r-- | src/numeric.ml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/numeric.ml b/src/numeric.ml index ab59d6c..b296cec 100644 --- a/src/numeric.ml +++ b/src/numeric.ml @@ -35,7 +35,12 @@ let check_positive opts n = if opts.positive && (n <= 0.0) then failwith "Number should be positive" +let looks_like_number value = + try let _ = Pcre.exec ~pat:"^(\\-?)[0-9]+(\\.[0-9]+)?$" value in true + with Not_found -> false + let number_of_string opts s = + if not (looks_like_number s) then Printf.ksprintf failwith "'%s' is not a valid number" s else let n = float_of_string_opt s in match n with | Some n -> |