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Diffstat (limited to 'shell/msh.c')
-rw-r--r--shell/msh.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/shell/msh.c b/shell/msh.c
index 15ce9ff..5846686 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -280,9 +280,9 @@ static void onintr(int s); /* SIGINT handler */
static int newenv(int f);
static void quitenv(void);
-static void err(char *s);
-static int anys(char *s1, char *s2);
-static int any(int c, char *s);
+static void err(const char *s);
+static int anys(const char *s1, const char *s2);
+static int any(int c, const char *s);
static void next(int f);
static void setdash(void);
static void onecommand(void);
@@ -295,7 +295,7 @@ static int gmatch(char *s, char *p);
*/
static void leave(void); /* abort shell (or fail in subshell) */
static void fail(void); /* fail but return to process next command */
-static void warn(char *s);
+static void warn(const char *s);
static void sig(int i); /* default signal handler */
@@ -1135,7 +1135,7 @@ static void leave(void)
/* NOTREACHED */
}
-static void warn(char *s)
+static void warn(const char *s)
{
if (*s) {
prs(s);
@@ -1146,7 +1146,7 @@ static void warn(char *s)
leave();
}
-static void err(char *s)
+static void err(const char *s)
{
warn(s);
if (flag['n'])
@@ -1202,23 +1202,23 @@ static void quitenv(void)
}
/*
- * Is any character from s1 in s2?
+ * Is character c in s?
*/
-static int anys(char *s1, char *s2)
+static int any(int c, const char *s)
{
- while (*s1)
- if (any(*s1++, s2))
+ while (*s)
+ if (*s++ == c)
return 1;
return 0;
}
/*
- * Is character c in s?
+ * Is any character from s1 in s2?
*/
-static int any(int c, char *s)
+static int anys(const char *s1, const char *s2)
{
- while (*s)
- if (*s++ == c)
+ while (*s1)
+ if (any(*s1++, s2))
return 1;
return 0;
}