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-rw-r--r--src/include/string.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/string.h b/src/include/string.h
index 1c07af0ca5..3d056818cc 100644
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -104,6 +104,11 @@ static inline int isxdigit(int c)
(c >= 'A' && c <= 'F'));
}
+static inline int isupper(int c)
+{
+ return (c >= 'A' && c <= 'Z');
+}
+
static inline int islower(int c)
{
return (c >= 'a' && c <= 'z');
@@ -115,4 +120,11 @@ static inline int toupper(int c)
c -= 'a'-'A';
return c;
}
+
+static inline int tolower(int c)
+{
+ if (isupper(c))
+ c -= 'A'-'a';
+ return c;
+}
#endif /* STRING_H */