From 6e4b9831f903e583d58de8b4265159f6d859ebc2 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Fri, 2 Sep 2022 23:56:18 +0200
Subject: user/ports: bare minimum to run doomgeneric

---
 src/user/lib/include/fcntl.h     | 0
 src/user/lib/include/inttypes.h  | 1 +
 src/user/lib/include/math.h      | 2 --
 src/user/lib/include/stdio.h     | 2 ++
 src/user/lib/include/stdlib.h    | 5 +++++
 src/user/lib/include/string.h    | 3 +++
 src/user/lib/include/strings.h   | 5 +++++
 src/user/lib/include/sys/stat.h  | 8 ++++++++
 src/user/lib/include/sys/types.h | 1 +
 9 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 src/user/lib/include/fcntl.h
 create mode 100644 src/user/lib/include/inttypes.h
 create mode 100644 src/user/lib/include/strings.h

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

diff --git a/src/user/lib/include/fcntl.h b/src/user/lib/include/fcntl.h
new file mode 100644
index 0000000..e69de29
diff --git a/src/user/lib/include/inttypes.h b/src/user/lib/include/inttypes.h
new file mode 100644
index 0000000..9a6118b
--- /dev/null
+++ b/src/user/lib/include/inttypes.h
@@ -0,0 +1 @@
+#include <stdint.h>
diff --git a/src/user/lib/include/math.h b/src/user/lib/include/math.h
index 07ff81d..1aec564 100644
--- a/src/user/lib/include/math.h
+++ b/src/user/lib/include/math.h
@@ -3,8 +3,6 @@
 #define INFINITY __builtin_inff()
 #define HUGE_VAL ((double)INFINITY)
 
-int abs(int i);
-
 double acos(double x);
 double asin(double x);
 double atan2(double x, double y);
diff --git a/src/user/lib/include/stdio.h b/src/user/lib/include/stdio.h
index dd6a078..5ee0878 100644
--- a/src/user/lib/include/stdio.h
+++ b/src/user/lib/include/stdio.h
@@ -81,3 +81,5 @@ int rename(const char *old, const char *new);
 
 #define L_tmpnam (5 + 16 + 1)
 char *tmpnam(char *s);
+
+int sscanf(const char *restrict s, const char *restrict format, ...);
diff --git a/src/user/lib/include/stdlib.h b/src/user/lib/include/stdlib.h
index 8c827e3..2df0bf7 100644
--- a/src/user/lib/include/stdlib.h
+++ b/src/user/lib/include/stdlib.h
@@ -15,3 +15,8 @@ _Noreturn void exit(int);
 int mkstemp(char *template);
 char *getenv(const char *name);
 int system(const char *cmd);
+
+int abs(int i);
+
+int atoi(const char *s);
+double atof(const char *s);
diff --git a/src/user/lib/include/string.h b/src/user/lib/include/string.h
index cf621d5..38fb0d2 100644
--- a/src/user/lib/include/string.h
+++ b/src/user/lib/include/string.h
@@ -4,6 +4,7 @@
 long strtol(const char *restrict s, char **restrict end, int base);
 double strtod(const char *restrict s, char **restrict end);
 char *strchr(const char *s, int c);
+char *strrchr(const char *s, int c);
 
 size_t strspn(const char *s, const char *accept);
 size_t strcspn(const char *s, const char *reject);
@@ -18,5 +19,7 @@ int strcoll(const char *s1, const char *s2);
 char *strstr(const char *s1, const char *s2);
 
 char *strcpy(char *restrict s1, const char *restrict s2);
+char *strncpy(char *restrict s1, const char *restrict s2, size_t n);
+char *strdup(const char *s);
 
 char *strerror(int errnum);
diff --git a/src/user/lib/include/strings.h b/src/user/lib/include/strings.h
new file mode 100644
index 0000000..d0abc47
--- /dev/null
+++ b/src/user/lib/include/strings.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <stddef.h>
+
+int strcasecmp(const char *s1, const char *s2);
+int strncasecmp(const char *s1, const char *s2, size_t n);
diff --git a/src/user/lib/include/sys/stat.h b/src/user/lib/include/sys/stat.h
index a954c9b..78a8fc1 100644
--- a/src/user/lib/include/sys/stat.h
+++ b/src/user/lib/include/sys/stat.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <sys/types.h>
 #include <errno.h> // only for ENOSYS
 
 #define S_ISFIFO(x) 0
@@ -9,3 +10,10 @@ static inline int fstat(int fd, struct stat *sb) {
 	errno = ENOSYS;
 	return -1;
 }
+
+static inline int mkdir(const char *path, mode_t mode) {
+	// TODO
+	(void)path; (void)mode;
+	errno = ENOSYS;
+	return -1;
+}
diff --git a/src/user/lib/include/sys/types.h b/src/user/lib/include/sys/types.h
index 3b1772b..9f6f8f8 100644
--- a/src/user/lib/include/sys/types.h
+++ b/src/user/lib/include/sys/types.h
@@ -5,3 +5,4 @@
 typedef long long off_t;
 typedef int64_t time_t;
 typedef uint64_t clock_t;
+typedef int mode_t;
-- 
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