* Makefile (subdirs): Replace stdio with stdio-common and $(stdio).

	* configure.in: Grok arg --enable-libio.
	($stdio = libio): Define USE_IN_LIBIO.
	* config.h.in (USE_IN_LIBIO): Add #undef.
	* config.make.in (stdio): New variable, set by configure.
	* Makeconfig (stdio): New variable.
	* stdio.h [USE_IN_LIBIO]: Include libio/stdio.h instead of
	stdio/stdio.h.
	* stdio-common/Makefile: New file.
	* stdio/Makefile: Half the contents moved to stdio-common/Makefile.
	* stdio/_itoa.c: Moved to stdio-common.
	* stdio/_itoa.h: Moved to stdio-common.
	* stdio/asprintf.c: Moved to stdio-common.
	* stdio/bug1.c: Moved to stdio-common.
	* stdio/bug1.input: Moved to stdio-common.
	* stdio/bug2.c: Moved to stdio-common.
	* stdio/bug3.c: Moved to stdio-common.
	* stdio/bug4.c: Moved to stdio-common.
	* stdio/bug5.c: Moved to stdio-common.
	* stdio/bug6.c: Moved to stdio-common.
	* stdio/bug6.input: Moved to stdio-common.
	* stdio/bug7.c: Moved to stdio-common.
	* stdio/dprintf.c: Moved to stdio-common.
	* stdio/errnobug.c: Moved to stdio-common.
	* stdio/getline.c: Moved to stdio-common.
	* stdio/getw.c: Moved to stdio-common.
	* stdio/perror.c: Moved to stdio-common.
	* stdio/printf-parse.h: Moved to stdio-common.
	* stdio/printf-prs.c: Moved to stdio-common.
	* stdio/printf.c: Moved to stdio-common.
	* stdio/printf.h: Moved to stdio-common.
	* stdio/printf_fp.c: Moved to stdio-common.
	* stdio/psignal.c: Moved to stdio-common.
	* stdio/putw.c: Moved to stdio-common.
	* stdio/reg-printf.c: Moved to stdio-common.
	* stdio/scanf.c: Moved to stdio-common.
	* stdio/snprintf.c: Moved to stdio-common.
	* stdio/sprintf.c: Moved to stdio-common.
	* stdio/sscanf.c: Moved to stdio-common.
	* stdio/tempnam.c: Moved to stdio-common.
	* stdio/temptest.c: Moved to stdio-common.
	* stdio/test-fseek.c: Moved to stdio-common.
	* stdio/test-fwrite.c: Moved to stdio-common.
	* stdio/test-popen.c: Moved to stdio-common.
	* stdio/test_rdwr.c: Moved to stdio-common.
	* stdio/tmpfile.c: Moved to stdio-common.
	* stdio/tmpnam.c: Moved to stdio-common.
	* stdio/tst-fileno.c: Moved to stdio-common.
	* stdio/tst-printf.c: Moved to stdio-common.
	* stdio/tstgetln.c: Moved to stdio-common.
	* stdio/tstgetln.input: Moved to stdio-common.
	* stdio/tstscanf.c: Moved to stdio-common.
	* stdio/tstscanf.input: Moved to stdio-common.
	* stdio/vfprintf.c: Moved to stdio-common.
	* stdio/vfscanf.c: Moved to stdio-common.
	* stdio/vprintf.c: Moved to stdio-common.
	* stdio/xbug.c: Moved to stdio-common.
	* sysdeps/generic/Makefile (siglist.c rules): Do this in subdir
	stdio-common instead of stdio.
	* sysdeps/unix/Makefile (errlist.c rules): Likewise.
	* stdio-common/asprintf.c [USE_IN_LIBIO]: Call libio primitive
	function.
	* stdio-common/dprintf.c: Likewise.
	* stdio-common/printf.c: Likewise.
	* stdio-common/scanf.c: Likewise.
	* stdio-common/snprintf.c: Likewise.
	* stdio-common/sprintf.c: Likewise.
	* stdio-common/sscanf.c: Likewise.
	* stdio-common/vprintf.c: Likewise.

	* Makerules: Include $(+depfiles) directly instead of generating
	depend-$(subdir).
	(depend-$(subdir)): Target removed.
	(common-clean): Don't remove depend-$(subdir).

1 files changed, 63 insertions, 0 deletions

diff --git a/stdio-common/xbug.c b/stdio-common/xbug.c
new file mode 100644
index 0000000000..ec648f5566
--- /dev/null
+++ b/stdio-common/xbug.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+
+typedef struct _Buffer {
+  char *buff;
+  int  room, used;
+} Buffer;
+
+#define INIT_BUFFER_SIZE 10000
+
+void InitBuffer(b)
+     Buffer *b;
+{
+  b->room = INIT_BUFFER_SIZE;
+  b->used = 0;
+  b->buff = (char *)malloc(INIT_BUFFER_SIZE*sizeof(char));
+}
+
+void AppendToBuffer(b, str, len)
+     register Buffer *b;
+     char *str;
+     register int len;
+{
+  while (b->used + len > b->room) {
+    b->buff = (char *)realloc(b->buff, 2*b->room*(sizeof(char)));
+    b->room *= 2;
+  }
+  strncpy(b->buff + b->used, str, len);
+  b->used += len;
+}
+
+void ReadFile(buffer, input)
+     register Buffer *buffer;
+     FILE *input;
+{
+  char       buf[BUFSIZ + 1];
+  register int        bytes;
+
+  buffer->used = 0;
+  while (!feof(input) && (bytes = fread(buf, 1, BUFSIZ, input)) > 0) {
+    AppendToBuffer(buffer, buf, bytes);
+  }
+  AppendToBuffer(buffer, "", 1);
+}
+
+main() 
+{
+  char * filename = "xbug.c";
+  FILE *input;
+  Buffer buffer;
+  
+  InitBuffer(&buffer);
+    
+  if (!freopen (filename, "r", stdin))
+    fprintf(stderr, "cannot open file\n");
+  
+  if (!(input = popen("/bin/cat", "r")))
+    fprintf(stderr, "cannot run \n");
+  
+  ReadFile(&buffer, input);
+  pclose(input);
+
+  return 0;
+}