Mercurial > projects > pwm
diff pwm.c @ 13:cf81eb0c2d5a
Warn before quitting if there are unsaved changes
If there are unsaved changes emit a warning when the quit command is used. Only
quit if the quit command is used twice with no other command in between.
Add a new Quit command which immediatly quits pwm without a warning.
| author | Guido Berhoerster <guido+pwm@berhoerster.name> |
|---|---|
| date | Mon, 07 Aug 2017 16:59:47 +0200 |
| parents | 0b1bce8db371 |
| children | a07665727c19 |
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--- a/pwm.c Thu Aug 03 10:22:07 2017 +0200 +++ b/pwm.c Mon Aug 07 16:59:47 2017 +0200 @@ -1,5 +1,5 @@ /* - * Copyright (C) 2016 Guido Berhoerster <guido+pwm@berhoerster.name> + * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name> * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the @@ -69,6 +69,7 @@ int i; for (;;) { + cmd = NULL; if (fgets(buf, (int)sizeof (buf), stdin) == NULL) { if (ferror(stdin)) { /* error */ @@ -146,6 +147,10 @@ } next: + if (cmd != NULL) { + ctx->prev_cmd = cmd->full_cmd; + } + for (i = 0; i < argc; i++) { free(argv[i]); }