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| author | Peter Tyser <ptyser@xes-inc.com> | 2009-10-25 15:12:52 -0500 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-10-27 20:58:25 +0100 |
| commit | e491a71e578e93bd3b2f8f20d8ef8f111c98010d (patch) | |
| tree | e4c068044178bf286f8d5c9fd4e216b5be53f22c | |
| parent | 16d1c10783660f3fdbc3c19141f42f3b0d1834d3 (diff) | |
| download | u-boot-imx-e491a71e578e93bd3b2f8f20d8ef8f111c98010d.zip u-boot-imx-e491a71e578e93bd3b2f8f20d8ef8f111c98010d.tar.gz u-boot-imx-e491a71e578e93bd3b2f8f20d8ef8f111c98010d.tar.bz2 | |
Check for NULL prompt in readline_into_buffer()
Previously, passing readline() or readline_into_buffer() a NULL 'prompt'
parameter would result in puts() printing garbage when
CONFIG_CMDLINE_EDITING was enabled.
Note that no board currently triggers this bug. Enabling
CONFIG_CMDLINE_EDITING on some boards (eg bab7xx) would result in
the bug appearing. This change is only intended to prevent someone
from running into this issue in the future.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
| -rw-r--r-- | common/main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/common/main.c b/common/main.c index 026edd1..298982a 100644 --- a/common/main.c +++ b/common/main.c @@ -964,7 +964,8 @@ int readline_into_buffer (const char *const prompt, char * buffer) initted = 1; } - puts (prompt); + if (prompt) + puts (prompt); rc = cread_line(prompt, p, &len); return rc < 0 ? rc : len; |