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authorRoberto E. Vargas Caballero <k0ga@shike2.com>2014-08-18 23:23:51 +0200
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2014-08-19 12:57:44 +0200
commit8342036f983288046e03a34055c10fc6b6b11017 (patch)
tree8214ba3a06e2a0f1863b2cebd33e08511e810c15
parent9d9e049eac3dacb2725f9d792f7cdd2230062313 (diff)
downloadst-8342036f983288046e03a34055c10fc6b6b11017.tar.gz
Fix definition of CONTROLC0
DEL character is not thecnically talking a C0 control character, although it has some common properties with them, so it is useful for us consider it as C0. Before this patch DEL (\177), was not ignored as it ought to be.
-rw-r--r--st.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/st.c b/st.c
index 0e228a7..1c998ec 100644
--- a/st.c
+++ b/st.c
@@ -70,7 +70,7 @@ char *argv0;
#define LEN(a) (sizeof(a) / sizeof(a)[0])
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f))
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)