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 34