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authorSascha Hauer <s.hauer@pengutronix.de>2021-05-12 07:42:31 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2021-05-12 09:40:45 +0200
commit109142e36aae88cec7abee1ecb6e756146d871a0 (patch)
tree4edf6b19fd5c6c139e93e4d468f717e6c8884a7b
parentfeeb9fbe964af1e00658335e06e72e739a814070 (diff)
downloadbarebox-109142e36aae88cec7abee1ecb6e756146d871a0.tar.gz
barebox-109142e36aae88cec7abee1ecb6e756146d871a0.tar.xz
readline_simple: Fix compiler warning
char can be an unsigned type. To test the getchar() return value against negative values we have to use a signed type. Use int instead. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--lib/readline_simple.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/readline_simple.c b/lib/readline_simple.c
index fcdbca41a9..2e52bfc2a0 100644
--- a/lib/readline_simple.c
+++ b/lib/readline_simple.c
@@ -44,7 +44,7 @@ int readline (const char *prompt, char *line, int len)
int n = 0; /* buffer index */
int plen = 0; /* prompt length */
int col; /* output column cnt */
- char c;
+ int c;
/* print prompt */
if (prompt) {