moved misc helper functions to separate file and removed redundant includes

src/misc_tools.c

@@ -0,0 +1,97 @@
+/*
+ * Toxic -- Tox Curses Client
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <limits.h>
+
+#include "toxic_windows.h"
+
+// XXX: FIX
+unsigned char *hex_string_to_bin(char hex_string[])
+{
+    size_t len = strlen(hex_string);
+    unsigned char *val = malloc(len);
+
+    if (val == NULL) {
+        endwin();
+        fprintf(stderr, "malloc() failed. Aborting...\n");
+        exit(EXIT_FAILURE);
+    }
+
+    char *pos = hex_string;
+    size_t i;
+
+    for (i = 0; i < len; ++i, pos += 2)
+        sscanf(pos, "%2hhx", &val[i]);
+
+    return val;
+}
+
+/* Get the current local time */
+struct tm *get_time(void)
+{
+    struct tm *timeinfo;
+    time_t now;
+    time(&now);
+    timeinfo = localtime(&now);
+    return timeinfo;
+}
+
+/* check that the string has one non-space character */
+int string_is_empty(char *string)
+{
+    int rc = 0;
+    char *copy = strdup(string);
+    rc = ((strtok(copy, " ") == NULL) ? 1 : 0);
+    free(copy);
+    return rc;
+}
+
+/* convert wide characters to null terminated string */
+uint8_t *wcs_to_char(wchar_t *string)
+{
+    size_t len = 0;
+    char *ret = NULL;
+
+    len = wcstombs(NULL, string, 0);
+    if (len != (size_t) -1) {
+        len++;
+        ret = malloc(len);
+        if (ret != NULL)
+            wcstombs(ret, string, len);
+    } else {
+        ret = malloc(2);
+        if (ret != NULL) {
+            ret[0] = ' ';
+            ret[1] = '\0';
+        }
+    }
+
+    if (ret == NULL) {
+        endwin();
+        fprintf(stderr, "malloc() failed. Aborting...\n");
+        exit(EXIT_FAILURE);
+    }
+
+    return ret;
+}
+
+/* convert a wide char to null terminated string */
+char *wc_to_char(wchar_t ch)
+{
+    int len = 0;
+    static char ret[MB_LEN_MAX + 1];
+
+    len = wctomb(ret, ch);
+    if (len == -1) {
+        ret[0] = ' ';
+        ret[1] = '\0';
+    } else {
+        ret[len] = '\0';
+    }
+
+    return ret;
+}