1 files changed, 87 insertions, 0 deletions
diff --git a/src/fmt.c b/src/fmt.c
new file mode 100644
index 0000000..ff838be
--- /dev/null
+++ b/src/fmt.c
@@ -0,0 +1,87 @@
+#include "fmt.h"
+
+/**
+  * @file fmt.c
+  * @authors djb, feh
+  * @ref qmail
+  * @brief formating differnt inputs format for output printing
+  */
+
+unsigned int fmt_str(char *s,const char *t)
+{
+  unsigned int len;
+  char ch;
+  len = 0;
+  if (s) { while ((ch = t[len])) s[len++] = ch; }
+  else while (t[len]) len++;
+  return len;
+}
+
+unsigned int fmt_strn(char *s,const char *t,unsigned int n)
+{
+  unsigned int len;
+  char ch;
+  len = 0;
+  if (s) { while (n-- && (ch = t[len])) s[len++] = ch; }
+  else while (n-- && t[len]) len++;
+  return len;
+}
+
+unsigned int fmt_uint(char *s,unsigned int u)
+{
+  unsigned long l; l = u; return fmt_ulong(s,l);
+}
+
+unsigned int fmt_uint0(char *s,unsigned int u,unsigned int n)
+{
+  unsigned int len;
+  len = fmt_uint(FMT_LEN,u);
+  while (len < n) { if (s) *s++ = '0'; ++len; }
+  if (s) fmt_uint(s,u);
+  return len;
+}
+
+unsigned int fmt_ulong(char *s,unsigned long u)
+{
+  unsigned int len; 
+  unsigned long q;
+  len = 1; q = u;
+  while (q > 9) { ++len; q /= 10; }
+  if (s) {
+    s += len;
+    do { *--s = '0' + (u % 10); u /= 10; } while(u); /* handles u == 0 */
+  }
+  return len;
+}
+
+unsigned int fmt_xlong(char *s,unsigned long u)
+{
+  unsigned int len; 
+  unsigned long q;
+  len = 1; q = u;
+  while (q > 15) { ++len; q /= 16; }
+  if (s) {
+    s += len;
+    do { *--s = tohex(u % 16); u /= 16; } while(u); /* handles u == 0 */
+  }
+  return len;
+}
+
+char tohex(char num) {
+  if (num < 10)
+    return num + '0';
+  else if (num < 16)
+    return num - 10 + 'a';
+  else
+    return -1;
+}
+
+int fromhex(unsigned char c) {
+  if (c >= '0' && c <= '9')
+    return c-'0';
+  else if (c >= 'A' && c <= 'F')
+    return c -'A' + 10;
+  else if (c >= 'a' && c <= 'f')
+    return c - 'a' + 10;
+  return -1;
+}