backported fixes from 256boss

[bootcensus] / src / libc / stdio.h

diff --git a/src/libc/stdio.h b/src/libc/stdio.h
index 866ed70..19abc10 100644 (file)
--- a/src/libc/stdio.h
+++ b/src/libc/stdio.h
@@ -1,9 +1,38 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018-2019  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
 #ifndef STDIO_H_
 #define STDIO_H_
 
 #include <stdlib.h>
 #include <stdarg.h>
 
+typedef struct FILE FILE;
+
+#define SEEK_SET       0
+#define SEEK_CUR       1
+#define SEEK_END       2
+
+#define EOF    (-1)
+
+#define stdin  ((FILE*)0)
+#define stdout ((FILE*)1)
+#define stderr ((FILE*)2)
+
 int putchar(int c);
 int puts(const char *s);
 
@@ -16,4 +45,46 @@ int vsprintf(char *buf, const char *fmt, va_list ap);
 int snprintf(char *buf, size_t sz, const char *fmt, ...);
 int vsnprintf(char *buf, size_t sz, const char *fmt, va_list ap);
 
+/* TODO */
+int fprintf(FILE *fp, const char *fmt, ...);
+int vfprintf(FILE *fp, const char *fmt, va_list ap);
+
+/* TODO
+int fscanf(FILE *fp, const char *fmt, ...);
+int vfscanf(FILE *fp, const char *fmt, va_list ap);
+
+int sscanf(const char *str, const char *fmt, ...);
+int vsscanf(const char *ptr, const char *fmt, va_list ap);
+*/
+
+/* printf to the serial port */
+int ser_printf(const char *fmt, ...);
+int ser_vprintf(const char *fmt, va_list ap);
+
+void perror(const char *s);
+
+
+/* FILE I/O */
+FILE *fopen(const char *path, const char *mode);
+int fclose(FILE *fp);
+
+long filesize(FILE *fp);
+int fseek(FILE *fp, long offset, int from);
+void rewind(FILE *fp);
+long ftell(FILE *fp);
+
+size_t fread(void *buf, size_t size, size_t count, FILE *fp);
+size_t fwrite(const void *buf, size_t size, size_t count, FILE *fp);
+
+int fgetc(FILE *fp);
+char *fgets(char *buf, int size, FILE *fp);
+
+int fputc(int c, FILE *fp);
+
+int fflush(FILE *fp);
+
+int feof(FILE *fp);
+int ferror(FILE *fp);
+void clearerr(FILE *fp);
+
 #endif /* STDIO_H_ */