mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-09-19 17:49:59 +02:00
067f4f3256
Improve command line argument handling for future extensions. Signed-off-by: Jaroslav Kysela <perex@perex.cz>
57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
extern int debugflag;
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extern int force_restore;
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extern int ignore_nocards;
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extern int do_lock;
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extern int use_syslog;
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extern char *command;
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extern char *statefile;
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void info_(const char *fcn, long line, const char *fmt, ...);
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void error_(const char *fcn, long line, const char *fmt, ...);
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void cerror_(const char *fcn, long line, int cond, const char *fmt, ...);
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void dbg_(const char *fcn, long line, const char *fmt, ...);
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
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#define info(...) do { info_(__FUNCTION__, __LINE__, __VA_ARGS__); } while (0)
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#define error(...) do { error_(__FUNCTION__, __LINE__, __VA_ARGS__); } while (0)
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#define cerror(cond, ...) do { cerror_(__FUNCTION__, __LINE__, (cond) != 0, __VA_ARGS__); } while (0)
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#define dbg(...) do { dbg_(__FUNCTION__, __LINE__, __VA_ARGS__); } while (0)
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#else
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#define info(args...) do { info_(__FUNCTION__, __LINE__, ##args); } while (0)
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#define error(args...) do { error_(__FUNCTION__, __LINE__, ##args); } while (0)
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#define cerror(cond, ...) do { error_(__FUNCTION__, __LINE__, (cond) != 0, ##args); } while (0)
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#define dbg(args...) do { dbg_(__FUNCTION__, __LINE__, ##args); } while (0)
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#endif
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int init(const char *file, const char *cardname);
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int state_lock(const char *file, int lock, int timeout);
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int save_state(const char *file, const char *cardname);
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int load_state(const char *file, const char *initfile, const char *cardname,
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int do_init);
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int power(const char *argv[], int argc);
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int state_daemon(const char *file, const char *cardname, int period,
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const char *pidfile);
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int state_daemon_kill(const char *pidfile, const char *cmd);
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/* utils */
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int file_map(const char *filename, char **buf, size_t *bufsize);
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void file_unmap(void *buf, size_t bufsize);
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size_t line_width(const char *buf, size_t bufsize, size_t pos);
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void initfailed(int cardnumber, const char *reason, int exitcode);
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static inline int hextodigit(int c)
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{
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if (c >= '0' && c <= '9')
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c -= '0';
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else if (c >= 'a' && c <= 'f')
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c = c - 'a' + 10;
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else if (c >= 'A' && c <= 'F')
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c = c - 'A' + 10;
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else
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return -1;
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return c;
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}
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#define ARRAY_SIZE(a) (sizeof (a) / sizeof (a)[0])
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