diff options
| -rw-r--r-- | main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/main.c b/main.c index 56edb04..395f7f1 100644 --- a/main.c +++ b/main.c @@ -257,9 +257,11 @@ uint64_t str_hash(Str s) { /* --hvar bgcolor:'#fcc,#cfc,#ccf,#cff,#ffc,#fcf' */ int hvar_calc(Str param, Str *name, Str *val, Str filename) { Cut c = str_cut(param, ':'); + if (!c.head.n || !c.tail.n) return -1; *name = c.head; usize n = 0; for (Str h = c.tail; h.n > 0; h = str_cut(h, ',').tail) n++; + if (!n) return -1; srand(str_hash(filename)); usize j = rand() % n; usize i = 0; @@ -270,7 +272,7 @@ int hvar_calc(Str param, Str *name, Str *val, Str filename) { } i++; } - return 1; + return -1; } void usage(const char *cmd) { @@ -409,7 +411,7 @@ int main(int argc, const char **argv) { for (int i = 0; i < opts.hvarc; i++) { Str name, val; if (hvar_calc(opts.hvarv[i], &name, &val, title)) { - fprintf(stderr, "failed to caluclate hashvar!\n"); + fprintf(stderr, "invalid argument given to --hvar\n"); return 1; } str_cat(&thtml, S("--"), &scratch); |