56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
/* vim: ts=8 sts=2 tw=60
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*
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* General utility structure and function definitions
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*/
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#ifndef _UTILITY_H_
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#define _UTILITY_H_
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#include <sys/time.h>
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#ifdef __cplusplus
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#else
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#include <stdbool.h>
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#endif
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typedef unsigned long long uint64;
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/**
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* Text Buffer for accumulating text for input or output
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*/
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typedef struct buffer_t
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{
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/** length of text in the body of this buffer */
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int length;
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/** the body of the text, null terminated string */
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char body[65536];
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} BUFFER, *pBUFFER;
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/**
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* Convert a time value to a string
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*
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* Makes a string version of the time for printing. Uses
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* only the time of day to produce a string in the format
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* HH:MM:SS.UUUUUU at microsecond resolution.
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*
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* Uses a circular set of internal static buffers allowing
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* several calls without overwriting - useful for
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* formatting multiple times in one print function call.
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*
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* \param tv pointer to a timeval structure or NULL for
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* current time
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*
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* \return address of the string given by str
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*/
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char* make_timestamp(const struct timeval* tv);
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double time_diff(struct timeval* later, struct timeval* earlier);
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int time_sub(struct timeval* later, struct timeval* earlier);
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int time_cmp(struct timeval* later, struct timeval* earlier);
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void time_adv(struct timeval* tmr, int msec);
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#if 1
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int set_debug_level(int new_level);
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int dbg_printf(int level, const char* format, ...);
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#else
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#define dbg_printf fprintf
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#endif
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#endif
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