| 1 | #ifndef QEMU_HELP_OPTION_H |
| 2 | #define QEMU_HELP_OPTION_H |
| 3 | |
| 4 | /** |
| 5 | * is_help_option: |
| 6 | * @s: string to test |
| 7 | * |
| 8 | * Check whether @s is one of the standard strings which indicate |
| 9 | * that the user is asking for a list of the valid values for a |
| 10 | * command option like -cpu or -M. The current accepted strings |
| 11 | * are 'help' and '?'. '?' is deprecated (it is a shell wildcard |
| 12 | * which makes it annoying to use in a reliable way) but provided |
| 13 | * for backwards compatibility. |
| 14 | * |
| 15 | * Returns: true if @s is a request for a list. |
| 16 | */ |
| 17 | static inline bool is_help_option(const char *s) |
| 18 | { |
| 19 | return !strcmp(s, "?") || !strcmp(s, "help"); |
| 20 | } |
| 21 | |
| 22 | static inline int starts_with_help_option(const char *s) |
| 23 | { |
| 24 | if (*s == '?') { |
| 25 | return 1; |
| 26 | } |
| 27 | if (g_str_has_prefix(s, "help")) { |
| 28 | return 4; |
| 29 | } |
| 30 | return 0; |
| 31 | } |
| 32 | |
| 33 | #endif |