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Write usage to stderr when bad options given

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Lassi Kortela 2020-04-23 13:59:27 +03:00
parent 957ffe6a42
commit bb0a0054c8
1 changed files with 2 additions and 1 deletions
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3
main.c
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@ -31,7 +31,8 @@
#if SEXP_USE_MAIN_HELP #if SEXP_USE_MAIN_HELP
void sexp_usage(int err) { void sexp_usage(int err) {
printf("usage: chibi-scheme [<options> ...] [<file> <args> ...]\n" FILE *out = err ? stderr : stdout;
fprintf(out, "usage: chibi-scheme [<options> ...] [<file> <args> ...]\n"
#if SEXP_USE_FOLD_CASE_SYMS #if SEXP_USE_FOLD_CASE_SYMS
" -f - case-fold symbols\n" " -f - case-fold symbols\n"
#endif #endif