72 file_block_read (struct file_data *current, size_t size)  in file_block_read()  argument
74   if (size && ! current->eof)  in file_block_read()
76       size_t s = block_read (current->desc,  in file_block_read()
77 			     FILE_BUFFER (current) + current->buffered, size);  in file_block_read()
79 	pfatal_with_name (current->name);  in file_block_read()
80       current->buffered += s;  in file_block_read()
81       current->eof = s < size;  in file_block_read()
92 /* Get ready to read the current file.
97 sip (struct file_data *current, bool skip_test)  in sip()  argument
100   if (current->desc < 0)  in sip()
103       current->bufsize = sizeof (word);  in sip()
104       current->buffer = xmalloc (current->bufsize);  in sip()
108       current->bufsize = buffer_lcm (sizeof (word),  in sip()
109 				     STAT_BLOCKSIZE (current->stat),  in sip()
111       current->buffer = xmalloc (current->bufsize);  in sip()
117 	  bool was_binary = set_binary_mode (current->desc, true);  in sip()
119 	  file_block_read (current, current->bufsize);  in sip()
120 	  buffered = current->buffered;  in sip()
129 	      if (lseek (current->desc, - buffered, SEEK_CUR) == -1)  in sip()
130 		pfatal_with_name (current->name);  in sip()
131 	      set_binary_mode (current->desc, false);  in sip()
132 	      current->buffered = 0;  in sip()
133 	      current->eof = false;  in sip()
136 	  return binary_file_p (current->buffer, buffered);  in sip()
140   current->buffered = 0;  in sip()
141   current->eof = false;  in sip()
145 /* Slurp the rest of the current file completely into memory.  */
148 slurp (struct file_data *current)  in slurp()  argument
152   if (current->desc < 0)  in slurp()
158   if (S_ISREG (current->stat.st_mode))  in slurp()
165       size_t file_size = current->stat.st_size;  in slurp()
167       if (file_size != current->stat.st_size || cc < file_size  in slurp()
171       if (current->bufsize < cc)  in slurp()
173 	  current->bufsize = cc;  in slurp()
174 	  current->buffer = xrealloc (current->buffer, cc);  in slurp()
181       if (current->buffered <= file_size)  in slurp()
183 	  file_block_read (current, file_size + 1 - current->buffered);  in slurp()
184 	  if (current->buffered <= file_size)  in slurp()
192   file_block_read (current, current->bufsize - current->buffered);  in slurp()
194   if (current->buffered)  in slurp()
196       while (current->buffered == current->bufsize)  in slurp()
198 	  if (PTRDIFF_MAX / 2 - sizeof (word) < current->bufsize)  in slurp()
200 	  current->bufsize *= 2;  in slurp()
201 	  current->buffer = xrealloc (current->buffer, current->bufsize);  in slurp()
202 	  file_block_read (current, current->bufsize - current->buffered);  in slurp()
207       cc = current->buffered + 2 * sizeof (word);  in slurp()
208       current->bufsize = cc - cc % sizeof (word);  in slurp()
209       current->buffer = xrealloc (current->buffer, current->bufsize);  in slurp()
217 find_and_hash_each_line (struct file_data *current)  in find_and_hash_each_line()  argument
220   char const *p = current->prefix_end;  in find_and_hash_each_line()
226   char const **linbuf = current->linbuf;  in find_and_hash_each_line()
227   lin alloc_lines = current->alloc_lines;  in find_and_hash_each_line()
229   lin linbuf_base = current->linbuf_base;  in find_and_hash_each_line()
234   char const *suffix_begin = current->suffix_begin;  in find_and_hash_each_line()
235   char const *bufend = FILE_BUFFER (current) + current->buffered;  in find_and_hash_each_line()
394 	  && current->missing_newline  in find_and_hash_each_line()
469   current->buffered_lines = line;  in find_and_hash_each_line()
504   current->linbuf = linbuf;  in find_and_hash_each_line()
505   current->valid_lines = line;  in find_and_hash_each_line()
506   current->alloc_lines = alloc_lines;  in find_and_hash_each_line()
507   current->equivs = cureqs;  in find_and_hash_each_line()
519 prepare_text (struct file_data *current)  in prepare_text()  argument
521   size_t buffered = current->buffered;  in prepare_text()
522   char *p = FILE_BUFFER (current);  in prepare_text()
526     current->missing_newline = false;  in prepare_text()
530       current->missing_newline = true;  in prepare_text()
551   current->buffered = buffered;  in prepare_text()