Cross Reference: /system/core/libcutils/open

Lines Matching defs:stream
63  * Definition of a seekable, write-only memory stream.
84 static int ensureCapacity(MemStream* stream, int writeSize)
86     DBUG(("+++ ensureCap off=%d size=%d\n", stream->offset, writeSize));
88     size_t neededSize = stream->offset + writeSize + 1;
89     if (neededSize <= stream->allocSize)
94     if (stream->allocSize == 0) {
97         newSize = stream->allocSize;
104         stream->bufp, *stream->bufp, newSize));
105     char* newBuf = (char*) realloc(*stream->bufp, newSize);
109     *stream->bufp = newBuf;
110     stream->allocSize = newSize;
123     MemStream* stream = (MemStream*) cookie;
125     if (ensureCapacity(stream, size) < 0)
129     if (stream->eof < stream->offset) {
131             stream->eof, stream->offset-1));
132         memset(*stream->bufp + stream->eof, '\0',
133             stream->offset - stream->eof);
137     memcpy(*stream->bufp + stream->offset, buf, size);
138     stream->offset += size;
140     if (stream->offset > stream->eof) {
142         DBUG(("+++ EOF advanced to %d, appending nul\n", stream->offset));
143         assert(stream->offset < stream->allocSize);
144         stream->eof = stream->offset;
148             *(*stream->bufp + stream->offset), stream->offset));
149         stream->saved = *(*stream->bufp + stream->offset);
151     *(*stream->bufp + stream->offset) = '\0';
152     *stream->sizep = stream->offset;
164     MemStream* stream = (MemStream*) cookie;
168         newPosn += stream->offset;
170         newPosn += stream->eof;
180     if (stream->offset < stream->eof) {
186             stream->saved, stream->offset));
187         *(*stream->bufp + stream->offset) = stream->saved;
190     stream->offset = (size_t) newPosn;
192     if (stream->offset < stream->eof) {
194          * We're seeked backward into the stream.  Preserve the character
197         stream->saved = *(*stream->bufp + stream->offset);
198         *(*stream->bufp + stream->offset) = '\0';
199         *stream->sizep = stream->offset;
205         *stream->sizep = stream->eof;
226     MemStream* stream;
233     stream = (MemStream*) calloc(1, sizeof(MemStream));
234     if (stream == NULL)
237     fp = funopen(stream,
240         free(stream);
246     stream->bufp = bufp;
247     stream->sizep = sizep;
269  *  fp = fopencookie(stream, "w", iofuncs);
276     FILE *stream;
284     stream = open_memstream(&buf, &len);
285     fprintf(stream, "hello my world");
286     fflush(stream);
288     eob = ftello(stream);
289     fseeko(stream, 0, SEEK_SET);
290     fprintf(stream, "good-bye");
291     fseeko(stream, eob, SEEK_SET);
292     fclose(stream);
299     stream = open_memstream(&buf, &len);
300     fprintf(stream, "hello my world");
301     fflush(stream);
303     eob = ftello(stream);
304     fseeko(stream, 0, SEEK_SET);
305     fprintf(stream, "good-bye");
306     //fseeko(stream, eob, SEEK_SET);
307     fclose(stream);
321     stream = open_memstream (&buf, &len);
322     setvbuf(stream, NULL, _IONBF, 0);   /* note: crashes in glibc with this */
323     fprintf(stream, "This-is-a-test");
324     fseek(stream, -1, SEEK_CUR);    /* broken in glibc; can use {13,SEEK_SET} */
325     fprintf(stream, "1234");
326     fseek(stream, 1022, SEEK_SET);
327     fputc('a', stream);
328     fputc('b', stream);
329     fputc('c', stream);
330     fputc('d', stream);
331     fputc('e', stream);
332     fputc('f', stream);
333     fflush(stream);
342     stream = open_memstream (&buf, &len);
343     fseek(stream, 5000, SEEK_SET);
344     fseek(stream, 4096, SEEK_SET);
345     fseek(stream, -1, SEEK_SET);        /* should have no effect */
346     fputc('x', stream);
347     if (ftell(stream) == 4097)
350         printf("BAD: offset is %ld\n", ftell(stream));