vcs-svn/line_buffer.h

   1 #ifndef LINE_BUFFER_H_
   2 #define LINE_BUFFER_H_
   3
   4 #include "strbuf.h"
   5
   6 #define LINE_BUFFER_LEN 10000
   7
   8 struct line_buffer {
   9         char line_buffer[LINE_BUFFER_LEN];
  10         struct strbuf blob_buffer;
  11         FILE *infile;
  12 };
  13 #define LINE_BUFFER_INIT {"", STRBUF_INIT, NULL}
  14
  15 int buffer_init(struct line_buffer *buf, const char *filename);
  16 int buffer_fdinit(struct line_buffer *buf, int fd);
  17 int buffer_deinit(struct line_buffer *buf);
  18 void buffer_reset(struct line_buffer *buf);
  19
  20 int buffer_tmpfile_init(struct line_buffer *buf);
  21 FILE *buffer_tmpfile_rewind(struct line_buffer *buf);   /* prepare to write. */
  22 long buffer_tmpfile_prepare_to_read(struct line_buffer *buf);
  23
  24 int buffer_ferror(struct line_buffer *buf);
  25 char *buffer_read_line(struct line_buffer *buf);
  26 char *buffer_read_string(struct line_buffer *buf, uint32_t len);
  27 int buffer_read_char(struct line_buffer *buf);
  28 void buffer_read_binary(struct line_buffer *buf, struct strbuf *sb, uint32_t len);
  29 /* Returns number of bytes read (not necessarily written). */
  30 off_t buffer_copy_bytes(struct line_buffer *buf, off_t len);
  31 off_t buffer_skip_bytes(struct line_buffer *buf, off_t len);
  32
  33 #endif