From 4ae57a7fb13e68c5e6f1c1246a867555dbd986db Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Mon, 29 Aug 2022 13:57:47 +0200
Subject: user/lua: implement the bare minimum for it to link and "run"

---
 src/user/lib/stdio/file.c | 16 +++++++++++++++-
 src/user/lib/stdio/misc.c | 21 +++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)

(limited to 'src/user/lib/stdio')

diff --git a/src/user/lib/stdio/file.c b/src/user/lib/stdio/file.c
index 63b004d..8c0fc57 100644
--- a/src/user/lib/stdio/file.c
+++ b/src/user/lib/stdio/file.c
@@ -1,11 +1,12 @@
 #include "file.h"
-#include <camellia/syscalls.h>
 #include <camellia/flags.h>
+#include <camellia/syscalls.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <user/lib/panic.h>
 
 static FILE _stdin_null  = { .fd = STDIN_FILENO };
 static FILE _stdout_null = { .fd = STDOUT_FILENO };
@@ -124,6 +125,13 @@ int pclose(FILE *f) {
 	return -1;
 }
 
+// TODO tmpfile()
+FILE *tmpfile(void) {
+	errno = ENOSYS;
+	return NULL;
+}
+
+
 int fextflags(FILE *f, int extflags) {
 	int old = f->extflags;
 	f->extflags = extflags;
@@ -227,6 +235,12 @@ int fputc(int c, FILE *f) {
 }
 int putc(int c, FILE *f) { return fputc(c, f); }
 
+// TODO ungetc
+int ungetc(int c, FILE *f) {
+	(void)c; (void)f;
+	__libc_panic("unimplemented");
+}
+
 int fseek(FILE *f, long offset, int whence) {
 	return fseeko(f, offset, whence);
 }
diff --git a/src/user/lib/stdio/misc.c b/src/user/lib/stdio/misc.c
index 8f872ec..d74c197 100644
--- a/src/user/lib/stdio/misc.c
+++ b/src/user/lib/stdio/misc.c
@@ -1,5 +1,7 @@
 #include <errno.h>
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 
 void perror(const char *s) {
 	if (s) fprintf(stderr, "%s: ", s);
@@ -23,3 +25,22 @@ off_t lseek(int fd, off_t off, int whence) {
 	errno = ENOSYS;
 	return -1;
 }
+
+int remove(const char *path) {
+	return unlink(path);
+}
+
+// TODO! VFSOP_MOVE
+int rename(const char *old, const char *new) {
+	(void)old; (void)new;
+	errno = ENOSYS;
+	return -1;
+}
+
+// TODO tmpnam
+char *tmpnam(char *s) {
+	static char buf[L_tmpnam];
+	if (!s) s = buf;
+	strcpy(s, "/tmp/tmpnam");
+	return s;
+}
-- 
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