diff options
Diffstat (limited to 'lib/confirm.c')
| -rw-r--r-- | lib/confirm.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/lib/confirm.c b/lib/confirm.c index bd283a1..18eb409 100644 --- a/lib/confirm.c +++ b/lib/confirm.c @@ -17,22 +17,32 @@ #include "libeclat.h" #include <sysexits.h> -int eclat_confirm_mode = -1; - int -eclat_confirm(const char *prompt, ...) +eclat_confirm(enum eclat_confirm_mode mode, const char *prompt, ...) { int rc; va_list ap; - - if (!isatty(0) || eclat_confirm_mode >= 0) { - if (eclat_confirm_mode == -1) - die(EX_USAGE, "stdin not a terminal and no default response provided; use -Y or -N option to override"); - return eclat_confirm_mode; + + switch (mode) { + case eclat_confirm_unspecified: + case eclat_confirm_positive: + return 1; + case eclat_confirm_negative: + return 0; + case eclat_confirm_tty: + if (!isatty(0)) + return 1; + break; + case eclat_confirm_always: + if (!isatty(0)) + die(EX_USAGE, + "confirmation required, " + "but stdin is not a terminal"); + break; } va_start(ap, prompt); - rc = eclat_vgetyn(!!eclat_confirm_mode, prompt, ap); + rc = eclat_vgetyn(-1, prompt, ap); va_end(ap); return rc; |