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