Stubbed the <stdio.h> feof(), fgetc(), getc(), getchar() functions.

TODO

@@ -6,8 +6,8 @@ Release 0.1.0 ("Hello, world!")
   - <signal.h>: raise().
   ~ <stdlib.h>: abort().
   - <assert.h>: assert().
-- Implement more of <stdio.h>:
-  - <stdio.h>: feof(), fgetc(), getc(), getchar().
+~ Implement more of <stdio.h>:
+  ~ <stdio.h>: feof(), fgetc(), getc(), getchar().
 - Implement more of <stdlib.h>:
   ~ <stdlib.h>: _Exit(), exit(), atexit().
   ~ <stdlib.h>: quick_exit(), at_quick_exit().

src/include/stdio.h

@@ -71,6 +71,11 @@ int ferror(FILE* stream);
  */
 int fflush(FILE* stream);
 
+/**
+ * C11 7.21.7.1
+ */
+int fgetc(FILE* stream);
+
 /**
  * C11 7.21.7.3
  */
@@ -81,6 +86,16 @@ int fputc(int chr, FILE* stream);
  */
 int fputs(const char* restrict str, FILE* restrict stream);
 
+/**
+ * C11 7.21.7.5
+ */
+int getc(FILE* stream);
+
+/**
+ * C11 7.21.7.6
+ */
+int getchar(void);
+
 /**
  * C11 7.21.10.4
  */

src/stdio/Makefile.am

@@ -3,10 +3,14 @@ noinst_LTLIBRARIES = libcstdio.la
 libcstdio_la_SOURCES = \
   clearerr.c           \
   fclose.c             \
+  feof.c               \
   ferror.c             \
   fflush.c             \
+  fgetc.c              \
   fputc.c              \
   fputs.c              \
+  getc.c               \
+  getchar.c            \
   putc.c               \
   putchar.c            \
   puts.c               \

src/stdio/feof.c

@@ -0,0 +1,20 @@
+/* This is free and unencumbered software released into the public domain. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h> /* for FILE, feof() */
+
+#include "sysio.h" /* for __sysio_*() */
+
+/**
+ * @date   2014-11-23
+ * @author Arto Bendiken
+ * @see    http://libc11.org/stdio/feof.html
+ */
+int
+feof(FILE* const stream) {
+
+  return *__sysio_errno(stream); // FIXME
+}

src/stdio/fgetc.c

@@ -0,0 +1,18 @@
+/* This is free and unencumbered software released into the public domain. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h> /* for EOF, FILE, fgetc() */
+
+/**
+ * @date   2014-11-23
+ * @author Arto Bendiken
+ * @see    http://libc11.org/stdio/fgetc.html
+ */
+int
+fgetc(FILE* const stream) {
+
+  return (void)stream, EOF; // TODO
+}

src/stdio/getc.c

@@ -0,0 +1,18 @@
+/* This is free and unencumbered software released into the public domain. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h> /* for FILE, fgetc(), getc() */
+
+/**
+ * @date   2014-11-23
+ * @author Arto Bendiken
+ * @see    http://libc11.org/stdio/getc.html
+ */
+int
+getc(FILE* const stream) {
+
+  return fgetc(stream);
+}

src/stdio/getchar.c

@@ -0,0 +1,18 @@
+/* This is free and unencumbered software released into the public domain. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h> /* for stdin, fgetc(), getchar() */
+
+/**
+ * @date   2014-11-23
+ * @author Arto Bendiken
+ * @see    http://libc11.org/stdio/getchar.html
+ */
+int
+getchar(void) {
+
+  return fgetc(stdin);
+}