Use static vars in frequently used APIs

diff --git a/nnn.c b/nnn.c
index 5614d07092a42e8eb1ab514475430c5bdfe668c1..e7ab8ec4d38ab1a65fc763aaeb5ea8ee96738125 100644 (file)
--- a/nnn.c
+++ b/nnn.c
@@ -450,7 +450,8 @@ static char *
 xdirname(const char *path)
 {
        static char *buf = g_buf;
-       static char *last_slash;
+       static char *last_slash, *runp;
+
 
        xstrlcpy(buf, path, PATH_MAX);
 
@@ -459,8 +460,6 @@ xdirname(const char *path)
 
        if (last_slash != NULL && last_slash != buf && last_slash[1] == '\0') {
                /* Determine whether all remaining characters are slashes. */
-               char *runp;
-
                for (runp = last_slash; runp != buf; --runp)
                        if (runp[-1] != '/')
                                break;
@@ -472,8 +471,6 @@ xdirname(const char *path)
 
        if (last_slash != NULL) {
                /* Determine whether all remaining characters are slashes. */
-               char *runp;
-
                for (runp = last_slash; runp != buf; --runp)
                        if (runp[-1] != '/')
                                break;
@@ -609,10 +606,12 @@ spawn(char *file, char *arg1, char *arg2, char *dir, uchar flag)
 static char *
 xgetenv(char *name, char *fallback)
 {
+       static char *value;
+
        if (name == NULL)
                return fallback;
 
-       char *value = getenv(name);
+       value = getenv(name);
 
        return value && value[0] ? value : fallback;
 }
@@ -726,8 +725,8 @@ strstrip(char *s)
 static char *
 getmime(char *file)
 {
-       regex_t regex;
-       uint i;
+       static regex_t regex;
+       static uint i;
        static uint len = LEN(assocs);
 
        for (i = 0; i < len; ++i) {