Fix Syscall.readlink() for non-ascii targets

[mono.git] / support / unistd.c

diff --git a/support/unistd.c b/support/unistd.c
index 7fe7dac836324121782e1bb80d7878a7fce1b55b..1123f2bc0fac9112b60e8f398e11b685eb59783c 100644 (file)
--- a/support/unistd.c
+++ b/support/unistd.c
@@ -138,24 +138,24 @@ Mono_Posix_Syscall_ttyname_r (int fd, char *buf, mph_size_t len)
 }
 #endif /* ndef HAVE_TTYNAME_R */
 
-gint32
-Mono_Posix_Syscall_readlink (const char *path, char *buf, mph_size_t len)
+gint64
+Mono_Posix_Syscall_readlink (const char *path, unsigned char *buf, mph_size_t len)
 {
-       int r;
+       gint64 r;
        mph_return_if_size_t_overflow (len);
-       r = readlink (path, buf, (size_t) len);
+       r = readlink (path, (char*) buf, (size_t) len);
        if (r >= 0 && r < len)
                buf [r] = '\0';
        return r;
 }
 
 #ifdef HAVE_READLINKAT
-gint32
-Mono_Posix_Syscall_readlinkat (int dirfd, const char *path, char *buf, mph_size_t len)
+gint64
+Mono_Posix_Syscall_readlinkat (int dirfd, const char *path, unsigned char *buf, mph_size_t len)
 {
-       int r;
+       gint64 r;
        mph_return_if_size_t_overflow (len);
-       r = readlinkat (dirfd, path, buf, (size_t) len);
+       r = readlinkat (dirfd, path, (char*) buf, (size_t) len);
        if (r >= 0 && r < len)
                buf [r] = '\0';
        return r;