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/*-------------------------------------------------------------------------
*
* ps_status.h
*
* Defines macros to show backend status on the ps status line.
* Unfortunately this is system dpendent.
*
*-------------------------------------------------------------------------
*/
#ifndef PS_STATUS_H
#define PS_STATUS_H
#ifdef linux
#include <string.h>
extern char *ps_status_buffer;
#define PS_DEFINE_BUFFER \
char *ps_status_buffer = NULL
#define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname) \
{ \
int i; \
for (i = 0; i < (argc); i++) { \
memset((argv)[i], 0, strlen((argv)[i])); \
} \
ps_status_buffer = (argv)[0]; \
sprintf(ps_status_buffer, "%s %s %s %s ", execname, username, hostname, dbname); \
ps_status_buffer += strlen(ps_status_buffer); \
ps_status_buffer[0] = '\0'; \
}
#define PS_CLEAR_STATUS() \
{ if (ps_status_buffer) memset(ps_status_buffer, 0, strlen(ps_status_buffer)); }
#define PS_SET_STATUS(status) \
{ \
if (ps_status_buffer) \
{ \
PS_CLEAR_STATUS(); \
strcpy(ps_status_buffer, status); \
} \
}
#define PS_STATUS (ps_status_buffer ? ps_status_buffer : "")
#else /* !linux */
extern const char **ps_status;
#define PS_DEFINE_BUFFER \
const char **ps_status = NULL
#define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname) \
{ \
int i; \
Assert(argc >= 5); \
argv[0] = execname; \
argv[1] = hostname; \
argv[2] = username; \
argv[3] = dbname; \
ps_status = (const char **)&argv[4]; \
for (i = 4; i < argc; i++) \
argv[i] = ""; /* blank them */ \
}
#define PS_CLEAR_STATUS() \
{ if (ps_status) *ps_status = ""; }
#define PS_SET_STATUS(status) \
{ if (ps_status) *ps_status = (status); }
#define PS_STATUS (ps_status ? *ps_status : "")
#endif
#ifdef NO_PS_STATUS
#define PS_DEFINE_BUFFER
#define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname)
#define PS_CLEAR_STATUS()
#define PS_SET_STATUS(status) { if ((status)); }
#define PS_STATUS ""
#endif /* !linux */
#endif /* PS_STATUS_H */
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