diff options
Diffstat (limited to 'gdb/ui-file.c')
| -rw-r--r-- | gdb/ui-file.c | 38 |
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) { |