unix4lyfe git - darkstat-debian/blob - str.h

   1 /* darkstat 3
   2  * copyright (c) 2001-2011 Emil Mikulic.
   3  *
   4  * str.h: string buffer with pool-based reallocation
   5  *
   6  * Permission to use, copy, modify, and distribute this file for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20 #include <stdarg.h>
  21
  22 /* Note: the contents are 8-bit clean and not zero terminated! */
  23
  24 struct str;
  25
  26 struct str *str_make(void);
  27 void str_free(struct str *s);
  28 void str_extract(struct str *buf, size_t *len, char **str);
  29 void str_appendn(struct str *buf, const char *s, const size_t len);
  30 void str_appendstr(struct str *buf, const struct str *s);
  31
  32 #ifdef __GNUC__
  33 /* amusing efficiency hack */
  34 # include <string.h>
  35 # define str_append(buf, s) \
  36    str_appendn(buf, s, \
  37                (__builtin_constant_p(s) ? sizeof(s)-1 : strlen(s)) )
  38 #else
  39 void str_append(struct str *buf, const char *s);
  40 #endif
  41
  42 size_t xvasprintf(char **result, const char *format, va_list va);
  43 size_t xasprintf(char **result, const char *format, ...);
  44 void str_appendf(struct str *buf, const char *format, ...);
  45 void str_vappendf(struct str *s, const char *format, va_list va);
  46
  47 struct str *length_of_time(const time_t t);
  48 ssize_t str_write(const struct str * const buf, const int fd);
  49 size_t str_len(const struct str * const buf);
  50
  51 /* vim:set ts=3 sw=3 tw=78 expandtab: */