glibc/libio/memstream.c

33 static int _IO_mem_sync __P ((_IO_FILE* fp));
34 static void _IO_mem_finish __P ((_IO_FILE* fp, int));
35 static int _IO_wmem_sync __P ((_IO_FILE* fp));
36 static void _IO_wmem_finish __P ((_IO_FILE* fp, int));
97     struct _IO_FILE_memstream fp;
109   new_f->fp._sf._sbf._f._lock = &new_f->lock;
115   _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps);
116   _IO_JUMPS ((struct _IO_FILE_plus *) &new_f->fp._sf._sbf) = &_IO_mem_jumps;
117   INTUSE(_IO_str_init_static) (&new_f->fp._sf, buf, _IO_BUFSIZ, buf);
118   new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF;
119   new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
120   new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
122   new_f->fp.bufloc = bufloc;
123   new_f->fp.sizeloc = sizeloc;
125   return (_IO_FILE *) &new_f->fp._sf._sbf;
131 _IO_mem_sync (fp)
132      _IO_FILE* fp;
134   struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
137   res = _IO_default_sync (fp);
141   if (fp->_IO_write_ptr == fp->_IO_write_end)
143       INTUSE(_IO_str_overflow) (fp, '\0');
144       --fp->_IO_write_ptr;
147     *fp->_IO_write_ptr = '\0';
149   *mp->bufloc = fp->_IO_write_base;
150   *mp->sizeloc = fp->_IO_write_ptr - fp->_IO_write_base;
157 _IO_mem_finish (fp, dummy)
158      _IO_FILE* fp;
161   struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
163   *mp->bufloc = (char *) realloc (fp->_IO_write_base,
164 				  fp->_IO_write_ptr - fp->_IO_write_base + 1);
167       (*mp->bufloc)[fp->_IO_write_ptr - fp->_IO_write_base] = '\0';
168       *mp->sizeloc = fp->_IO_write_ptr - fp->_IO_write_base;
171   fp->_IO_buf_base = NULL;
173   INTUSE(_IO_default_finish) (fp, 0);
178 _IO_wmem_sync (fp)
179      _IO_FILE* fp;
181   struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
184   res = _IO_default_sync (fp);
188   if (fp->_wide_data->_IO_write_ptr == fp->_wide_data->_IO_write_end)
190       _IO_wstr_overflow (fp, L'\0');
191       --fp->_wide_data->_IO_write_ptr;
194     *fp->_wide_data->_IO_write_ptr = '\0';
196   *mp->bufloc = (char *) fp->_wide_data->_IO_write_base;
197   *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
198 		  - fp->_wide_data->_IO_write_base);
205 _IO_wmem_finish (fp, dummy)
206      _IO_FILE* fp;
209   struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp;
211   *mp->bufloc = (char *) realloc (fp->_wide_data->_IO_write_base,
212 				  (fp->_wide_data->_IO_write_ptr
213 				   - fp->_wide_data->_IO_write_base + 1)
217       ((wchar_t *) (*mp->bufloc))[fp->_wide_data->_IO_write_ptr
218 				 - fp->_wide_data->_IO_write_base] = '\0';
219       *mp->sizeloc = (fp->_wide_data->_IO_write_ptr
220 		      - fp->_wide_data->_IO_write_base);
223   fp->_wide_data->_IO_buf_base = NULL;
225   INTUSE(_IO_default_finish) (fp, 0);