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Code Issues 1 Releases Wiki Activity

Improve error message in slice functions.

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Check the first argument before trying to do range
checks.
This commit is contained in:
Calvin Rose
2019-11-05 09:41:30 -06:00
parent cf2d3861d6
commit 026f26f05f
5 changed files with 7 additions and 5 deletions
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2
src/core/string.c
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@@ -170,8 +170,8 @@ static int32_t kmp_next(struct kmp_state *state) {
/* CFuns */
static Janet cfun_string_slice(int32_t argc, Janet *argv) {
JanetRange range = janet_getslice(argc, argv);
JanetByteView view = janet_getbytes(argv, 0);
JanetRange range = janet_getslice(argc, argv);
return janet_stringv(view.bytes + range.start, range.end - range.start);
}