diff options
| -rw-r--r-- | firmware/screendump.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/firmware/screendump.c b/firmware/screendump.c index e27360b..226d08a 100644 --- a/firmware/screendump.c +++ b/firmware/screendump.c @@ -140,7 +140,11 @@ void screen_dump(void) } else { - write(fd, bmpheader, sizeof(bmpheader)); + if(write(fd, bmpheader, sizeof(bmpheader)) != sizeof(bmpheader)) + { + close(fd); + return; + } /* BMP image goes bottom up */ for (y = LCD_HEIGHT - 1; y >= 0; y--) @@ -243,7 +247,11 @@ void screen_dump(void) while (dst < dst_end); #endif /* LCD_DEPTH */ - write(fd, linebuf, DUMP_BMP_LINESIZE); + if(write(fd, linebuf, DUMP_BMP_LINESIZE) != DUMP_BMP_LINESIZE) + { + close(fd); + return; + } } } close(fd); |