util.h

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#ifndef __UTIL_H__
#define __UTIL_H__
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/* Collect command-line arguments as a string consisting of the arguments,
 * separated by spaces.
 */
char *get_args_as_string(int argc, char **argv, int optindex);
 
/* Compute the difference between two seconds/microseconds time stamps.
 * Beware: we're using nanosecond resolution now and function is currently unused
 */
void compute_timestamp_diff(int *diffsec, int *diffusec,
                            uint32_t sec1, uint32_t usec1, uint32_t sec2, uint32_t usec2);
 
/* Try to figure out if we're remotely connected, e.g. via ssh or
    Terminal Server, and create a capture filter that matches aspects of the
    connection.  We match the following environment variables:
 
    SSH_CONNECTION (ssh): <remote IP> <remote port> <local IP> <local port>
    SSH_CLIENT (ssh): <remote IP> <remote port> <local port>
    REMOTEHOST (tcsh, others?): <remote name>
    DISPLAY (x11): [remote name]:<display num>
    CLIENTNAME (terminal server): <remote name>
 */
const char *get_conn_cfilter(void);
 
bool display_is_remote(void);
 
extern const char *get_last_open_dir(void);
 
extern void set_last_open_dir(const char *dirname);
 
extern const char *get_open_dialog_initial_dir(void);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* __UTIL_H__ */