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Diffstat (limited to 'gdb/ui-file.c')
-rw-r--r--gdb/ui-file.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/gdb/ui-file.c b/gdb/ui-file.c
index 3af6d2c..6ad5414 100644
--- a/gdb/ui-file.c
+++ b/gdb/ui-file.c
@@ -25,9 +25,12 @@
#include "ui-file.h"
#include "gdb_string.h"
+#include <errno.h>
+
static ui_file_isatty_ftype null_file_isatty;
static ui_file_write_ftype null_file_write;
static ui_file_fputs_ftype null_file_fputs;
+static ui_file_read_ftype null_file_read;
static ui_file_flush_ftype null_file_flush;
static ui_file_delete_ftype null_file_delete;
static ui_file_rewind_ftype null_file_rewind;
@@ -39,6 +42,7 @@ struct ui_file
ui_file_flush_ftype *to_flush;
ui_file_write_ftype *to_write;
ui_file_fputs_ftype *to_fputs;
+ ui_file_read_ftype *to_read;
ui_file_delete_ftype *to_delete;
ui_file_isatty_ftype *to_isatty;
ui_file_rewind_ftype *to_rewind;
@@ -56,6 +60,7 @@ ui_file_new (void)
set_ui_file_flush (file, null_file_flush);
set_ui_file_write (file, null_file_write);
set_ui_file_fputs (file, null_file_fputs);
+ set_ui_file_read (file, null_file_read);
set_ui_file_isatty (file, null_file_isatty);
set_ui_file_rewind (file, null_file_rewind);
set_ui_file_put (file, null_file_put);
@@ -123,6 +128,15 @@ null_file_write (struct ui_file *file,
}
}
+static long
+null_file_read (struct ui_file *file,
+ char *buf,
+ long sizeof_buf)
+{
+ errno = EBADF;
+ return 0;
+}
+
static void
null_file_fputs (const char *buf, struct ui_file *file)
{
@@ -186,6 +200,12 @@ ui_file_write (struct ui_file *file,
file->to_write (file, buf, length_buf);
}
+long
+ui_file_read (struct ui_file *file, char *buf, long length_buf)
+{
+ return file->to_read (file, buf, length_buf);
+}
+
void
fputs_unfiltered (const char *buf, struct ui_file *file)
{
@@ -224,6 +244,12 @@ set_ui_file_write (struct ui_file *file,
}
void
+set_ui_file_read (struct ui_file *file, ui_file_read_ftype *read)
+{
+ file->to_read = read;
+}
+
+void
set_ui_file_fputs (struct ui_file *file, ui_file_fputs_ftype *fputs)
{
file->to_fputs = fputs;
@@ -383,6 +409,7 @@ mem_file_write (struct ui_file *file,
static ui_file_write_ftype stdio_file_write;
static ui_file_fputs_ftype stdio_file_fputs;
+static ui_file_read_ftype stdio_file_read;
static ui_file_isatty_ftype stdio_file_isatty;
static ui_file_delete_ftype stdio_file_delete;
static struct ui_file *stdio_file_new (FILE * file, int close_p);
@@ -409,6 +436,7 @@ stdio_file_new (FILE *file, int close_p)
set_ui_file_flush (ui_file, stdio_file_flush);
set_ui_file_write (ui_file, stdio_file_write);
set_ui_file_fputs (ui_file, stdio_file_fputs);
+ set_ui_file_read (ui_file, stdio_file_read);
set_ui_file_isatty (ui_file, stdio_file_isatty);
return ui_file;
}
@@ -437,6 +465,16 @@ stdio_file_flush (struct ui_file *file)
fflush (stdio->file);
}
+static long
+stdio_file_read (struct ui_file *file, char *buf, long length_buf)
+{
+ struct stdio_file *stdio = ui_file_data (file);
+ if (stdio->magic != &stdio_file_magic)
+ internal_error (__FILE__, __LINE__,
+ "stdio_file_read: bad magic number");
+ return read (fileno (stdio->file), buf, length_buf);
+}
+
static void
stdio_file_write (struct ui_file *file, const char *buf, long length_buf)
{