xref: /minix/minix/lib/libc/sys/readlink.c (revision 7f5f010b)
1 #include <sys/cdefs.h>
2 #include <lib.h>
3 #include "namespace.h"
4 
5 #include <unistd.h>
6 #include <string.h>
7 
8 #ifdef __weak_alias
9 __weak_alias(readlink, _readlink)
10 #endif
11 
12 ssize_t readlink(const char *name, char *buffer, size_t bufsiz)
13 {
14   message m;
15 
16   memset(&m, 0, sizeof(m));
17   m.m_lc_vfs_readlink.namelen = strlen(name) + 1;
18   m.m_lc_vfs_readlink.bufsize = bufsiz;
19   m.m_lc_vfs_readlink.name = (vir_bytes)name;
20   m.m_lc_vfs_readlink.buf = (vir_bytes)buffer;
21 
22   return(_syscall(VFS_PROC_NR, VFS_READLINK, &m));
23 }
24