diff options
Diffstat (limited to 'components/libc')
| -rw-r--r-- | components/libc/aio/posix_aio.c | 3 | ||||
| -rw-r--r-- | components/libc/compilers/armlibc/stubs.c | 10 | ||||
| -rw-r--r-- | components/libc/mmap/posix_mmap.c | 2 |
3 files changed, 13 insertions, 2 deletions
diff --git a/components/libc/aio/posix_aio.c b/components/libc/aio/posix_aio.c index 75e7de9ce3..3eb7634495 100644 --- a/components/libc/aio/posix_aio.c +++ b/components/libc/aio/posix_aio.c @@ -170,7 +170,7 @@ static void aio_read_work(struct rt_work* work, void* work_data) if (len <= 0) cb->aio_result = errno; else - cb->aio_result = 0; + cb->aio_result = len; rt_hw_interrupt_enable(level); return ; @@ -321,6 +321,7 @@ static void aio_write_work(struct rt_work* work, void* work_data) return; } + /** * The aio_write() function shall write aiocbp->aio_nbytes to the file associated * with aiocbp->aio_fildes from the buffer pointed to by aiocbp->aio_buf. The diff --git a/components/libc/compilers/armlibc/stubs.c b/components/libc/compilers/armlibc/stubs.c index 820daeff39..555108f712 100644 --- a/components/libc/compilers/armlibc/stubs.c +++ b/components/libc/compilers/armlibc/stubs.c @@ -265,7 +265,17 @@ void _sys_exit(int return_code) */ long _sys_flen(FILEHANDLE fh) { + struct stat stat; + + if (fh < STDERR) + return -1; + +#ifndef RT_USING_DFS return -1; +#else + fstat(fh, &stat); + return stat.st_size; +#endif } int _sys_istty(FILEHANDLE fh) diff --git a/components/libc/mmap/posix_mmap.c b/components/libc/mmap/posix_mmap.c index 3d405aad77..a16ace8306 100644 --- a/components/libc/mmap/posix_mmap.c +++ b/components/libc/mmap/posix_mmap.c @@ -35,7 +35,7 @@ void *mmap(void *addr, size_t length, int prot, int flags, cur = lseek(fd, 0, SEEK_SET); lseek(fd, offset, SEEK_SET); - read_bytes = read(fd, addr, length); + read_bytes = read(fd, mem, length); if (read_bytes != length) { if (addr == RT_NULL) |