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- /*
- * This file is part of the zlog Library.
- *
- * Copyright (C) 2011 by Hardy Simpson <HardySimpson1984@gmail.com>
- *
- * Licensed under the LGPL v2.1, see the file COPYING in base directory.
- */
- #ifndef __zlog_buf_h
- #define __zlog_buf_h
- /* buf, is a dynamic expand buffer for one single log,
- * as one single log will interlace if use multiple write() to file.
- * and buf is always keep in a thread, to make each thread has its
- * own buffer to avoid lock.
- */
- #include <stdarg.h>
- #include <stdint.h>
- typedef struct zlog_buf_s {
- char *start;
- char *tail;
- char *end;
- char *end_plus_1;
- size_t size_min;
- size_t size_max;
- size_t size_real;
- char truncate_str[MAXLEN_PATH + 1];
- size_t truncate_str_len;
- } zlog_buf_t;
- zlog_buf_t *zlog_buf_new(size_t min, size_t max, const char *truncate_str);
- void zlog_buf_del(zlog_buf_t * a_buf);
- void zlog_buf_profile(zlog_buf_t * a_buf, int flag);
- int zlog_buf_vprintf(zlog_buf_t * a_buf, const char *format, va_list args);
- int zlog_buf_append(zlog_buf_t * a_buf, const char *str, size_t str_len);
- int zlog_buf_adjust_append(zlog_buf_t * a_buf, const char *str, size_t str_len,
- int left_adjust, int zero_pad, size_t in_width, size_t out_width);
- int zlog_buf_printf_dec32(zlog_buf_t * a_buf, uint32_t ui32, int width);
- int zlog_buf_printf_dec64(zlog_buf_t * a_buf, uint64_t ui64, int width);
- int zlog_buf_printf_hex(zlog_buf_t * a_buf, uint32_t ui32, int width);
- #define zlog_buf_restart(a_buf) do { \
- a_buf->tail = a_buf->start; \
- } while(0)
- #define zlog_buf_len(a_buf) (a_buf->tail - a_buf->start)
- #define zlog_buf_str(a_buf) (a_buf->start)
- #define zlog_buf_seal(a_buf) do {*(a_buf)->tail = '\0';} while (0)
- #endif
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