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author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-09-29 08:50:20 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-09-29 08:50:42 +0200 |
commit | 82875bfd5209c6dc2877001050069de36a18704f (patch) | |
tree | 81aedb03f8a24ffe35f0f08e4d827753d0bfe1da /lib/readline.c | |
parent | 05498486b443a53ee3b1966dc83ff1f2d1fad69e (diff) | |
download | barebox-82875bfd5209c6dc2877001050069de36a18704f.tar.gz barebox-82875bfd5209c6dc2877001050069de36a18704f.tar.xz |
readline: Allow only ascii and printable characters
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib/readline.c')
-rw-r--r-- | lib/readline.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/readline.c b/lib/readline.c index 216ffbb79c..750da3b59c 100644 --- a/lib/readline.c +++ b/lib/readline.c @@ -3,6 +3,7 @@ #include <init.h> #include <xfuncs.h> #include <complete.h> +#include <linux/ctype.h> /* * cmdline-editing related codes from vivi. @@ -177,7 +178,7 @@ int readline(const char *prompt, char *buf, int len) unsigned long eol_num = 0; unsigned long rlen; unsigned long wlen; - char ichar; + unsigned char ichar; int insert = 1; int rc = 0; #ifdef CONFIG_AUTO_COMPLETE @@ -327,7 +328,8 @@ int readline(const char *prompt, char *buf, int len) continue; } default: - cread_add_char(ichar, insert, &num, &eol_num, buf, len); + if (isascii(ichar) && isprint(ichar)) + cread_add_char(ichar, insert, &num, &eol_num, buf, len); break; } } |