xref: /minix3/minix/lib/libc/sys/read.c (revision 232819dd499bd777897c6a4ee3a77009ce269db9)
1433d6423SLionel Sambuc #include <sys/cdefs.h>
2433d6423SLionel Sambuc #include <lib.h>
3433d6423SLionel Sambuc #include "namespace.h"
4433d6423SLionel Sambuc 
5433d6423SLionel Sambuc #include <string.h>
6433d6423SLionel Sambuc #include <unistd.h>
7433d6423SLionel Sambuc 
8433d6423SLionel Sambuc #ifdef __weak_alias
__weak_alias(read,_read)9433d6423SLionel Sambuc __weak_alias(read, _read)
10433d6423SLionel Sambuc #endif
11433d6423SLionel Sambuc 
12433d6423SLionel Sambuc ssize_t read(int fd, void *buffer, size_t nbytes)
13433d6423SLionel Sambuc {
14433d6423SLionel Sambuc   message m;
15433d6423SLionel Sambuc 
16433d6423SLionel Sambuc   memset(&m, 0, sizeof(m));
17433d6423SLionel Sambuc   m.m_lc_vfs_readwrite.fd = fd;
18433d6423SLionel Sambuc   m.m_lc_vfs_readwrite.len = nbytes;
19433d6423SLionel Sambuc   m.m_lc_vfs_readwrite.buf = (vir_bytes)buffer;
20*232819ddSDavid van Moolenbroek   m.m_lc_vfs_readwrite.cum_io = 0;
21433d6423SLionel Sambuc   return(_syscall(VFS_PROC_NR, VFS_READ, &m));
22433d6423SLionel Sambuc }
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