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-rw-r--r--include/libbb.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/libbb.h b/include/libbb.h
index 4b06ad12c..19de73ca9 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -54,8 +54,8 @@ extern int daemon (int nochdir, int noclose);
#define BUF_SIZE 8192
#define EXPAND_ALLOC 1024
-static inline int is_decimal(ch) { return ((ch >= '0') && (ch <= '9')); }
-static inline int is_octal(ch) { return ((ch >= '0') && (ch <= '7')); }
+static inline int is_decimal(int ch) { return ((ch >= '0') && (ch <= '9')); }
+static inline int is_octal(int ch) { return ((ch >= '0') && (ch <= '7')); }
/* Macros for min/max. */
#ifndef MIN