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EOD checkpoint. Finished first cut of the harder posix tasks.

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This commit is contained in:
Patrick LeBlanc
2019-01-28 17:26:09 -06:00
parent 0d74c32d08
commit b38c92738c
13 changed files with 259 additions and 19 deletions
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15
src/OpenTask.cpp
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@@ -20,8 +20,15 @@ void OpenTask::run()
return the result
*/
bool success;
uint8_t *buf = alloca(max(getLength(), sizeof(struct stat) + SM_HEADER_LEN));
uint8_t *buf;
if (getLength() > 1024)
{
handleError("OpenTask read", ENAMETOOLONG);
return;
}
buf = alloca(getLength());
success = read(&buf, getLength());
if (!success)
{
@@ -29,14 +36,12 @@ void OpenTask::run()
return;
}
uint32_t flen = *((uint32_t *) &buf[0]);
string filename((char *) &buf[4], flen); // might want to require filenames to be NULL-terminated for efficiency
int openmode = *((int *) &buf[4+flen]);
cmd_overlay *cmd = (cmd_overlay *) buf;
// IOC->open(filename, openmode, &buf[SM_HEADER_LEN])
// stand-in dummy response
uint32_t *buf32 = (uint32_t *) &buf[0];
uint32_t *buf32 = (uint32_t *) buf;
buf32[0] = SM_MSG_START;
buf32[1] = sizeof(struct stat);
success = write(buf, sizeof(struct stat) + SM_HEADER_LEN);