xref: /minix3/minix/lib/libc/sys/readlink.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1*433d6423SLionel Sambuc #include <sys/cdefs.h>
2*433d6423SLionel Sambuc #include <lib.h>
3*433d6423SLionel Sambuc #include "namespace.h"
4*433d6423SLionel Sambuc 
5*433d6423SLionel Sambuc #include <unistd.h>
6*433d6423SLionel Sambuc #include <string.h>
7*433d6423SLionel Sambuc 
8*433d6423SLionel Sambuc #ifdef __weak_alias
__weak_alias(readlink,_readlink)9*433d6423SLionel Sambuc __weak_alias(readlink, _readlink)
10*433d6423SLionel Sambuc #endif
11*433d6423SLionel Sambuc 
12*433d6423SLionel Sambuc ssize_t readlink(const char *name, char *buffer, size_t bufsiz)
13*433d6423SLionel Sambuc {
14*433d6423SLionel Sambuc   message m;
15*433d6423SLionel Sambuc 
16*433d6423SLionel Sambuc   memset(&m, 0, sizeof(m));
17*433d6423SLionel Sambuc   m.m_lc_vfs_readlink.namelen = strlen(name) + 1;
18*433d6423SLionel Sambuc   m.m_lc_vfs_readlink.bufsize = bufsiz;
19*433d6423SLionel Sambuc   m.m_lc_vfs_readlink.name = (vir_bytes)name;
20*433d6423SLionel Sambuc   m.m_lc_vfs_readlink.buf = (vir_bytes)buffer;
21*433d6423SLionel Sambuc 
22*433d6423SLionel Sambuc   return(_syscall(VFS_PROC_NR, VFS_READLINK, &m));
23*433d6423SLionel Sambuc }
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