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Experimental virtual file support

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QuRT does not have a filesystem, so creating a virtual filesystem
that could be implemented as an in-memory file or a remote file
over fastRPC.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>
This commit is contained in:
Mark Charlebois
2015-05-06 22:12:45 -07:00
parent 35e6822d95
commit 6db77dc8bb
11 changed files with 206 additions and 23 deletions
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src/modules/systemlib/bson/tinybson.c
+4 -3
View File
@@ -37,6 +37,7 @@
* A simple subset SAX-style BSON parser and generator.
*/
#include <px4_posix.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
@@ -59,7 +60,7 @@ read_x(bson_decoder_t decoder, void *p, size_t s)
CODER_CHECK(decoder);
if (decoder->fd > -1)
return (read(decoder->fd, p, s) == (int)s) ? 0 : -1;
return (px4_read(decoder->fd, p, s) == (int)s) ? 0 : -1;
if (decoder->buf != NULL) {
/* staged operations to avoid integer overflow for corrupt data */
@@ -301,7 +302,7 @@ write_x(bson_encoder_t encoder, const void *p, size_t s)
CODER_CHECK(encoder);
if (encoder->fd > -1)
return (write(encoder->fd, p, s) == (int)s) ? 0 : -1;
return (px4_write(encoder->fd, p, s) == (int)s) ? 0 : -1;
/* do we need to extend the buffer? */
while ((encoder->bufpos + s) > encoder->bufsize) {
@@ -408,7 +409,7 @@ bson_encoder_fini(bson_encoder_t encoder)
}
/* sync file */
fsync(encoder->fd);
px4_fsync(encoder->fd);
return 0;
}