Changes in / [8595b954:ce1df04] in mainline

File:

• uspace/app/date/date.c (modified) (5 diffs)

uspace/app/date/date.c

@@ -41 +41 @@
 static int read_date_from_arg(char *wdate, struct tm *t);
 static int read_time_from_arg(char *wdate, struct tm *t);
+static int read_num_from_str(char *str, size_t len, int *n);
 static int tm_sanity_check(struct tm *t);
 static bool is_leap_year(int year);
@@ -201 +202 @@
 {
         int rc;
-        uint32_t tmp;
 
         if (str_size(wdate) != 10) /* str_size("DD/MM/YYYY") == 10 */
@@ -211 +211 @@
         }
 
-        rc = str_uint32_t(&wdate[0], NULL, 10, false, &tmp);
+        rc = read_num_from_str(&wdate[0], 2, &t->tm_mday);
         if (rc != EOK)
                 return rc;
 
-        t->tm_mday = tmp;
-
-        rc = str_uint32_t(&wdate[3], NULL, 10, false, &tmp);
+        rc = read_num_from_str(&wdate[3], 2, &t->tm_mon);
         if (rc != EOK)
                 return rc;
-
-        t->tm_mon = tmp - 1;
-
-        rc = str_uint32_t(&wdate[6], NULL, 10, false, &tmp);
-        t->tm_year = tmp - 1900;
-
+        t->tm_mon--;
+
+        rc = read_num_from_str(&wdate[6], 4, &t->tm_year);
+        t->tm_year -= 1900;
         return rc;
 }
@@ -238 +234 @@
         size_t len = str_size(wtime);
         bool sec_present = len == 8;
-        uint32_t tmp;
 
         /* str_size("HH:MM") == 5 */
@@ -251 +246 @@
                 return EINVAL;
 
-        rc = str_uint32_t(&wtime[0], NULL, 10, false, &tmp);
+        rc = read_num_from_str(&wtime[0], 2, &t->tm_hour);
         if (rc != EOK)
                 return rc;
 
-        t->tm_hour = tmp;
-
-        rc = str_uint32_t(&wtime[3], NULL, 10, false, &tmp);
+        rc = read_num_from_str(&wtime[3], 2, &t->tm_min);
         if (rc != EOK)
                 return rc;
 
-        t->tm_min = tmp;
-
-        if (sec_present) {
-                rc = str_uint32_t(&wtime[6], NULL, 10, false, &tmp);
-                t->tm_sec = tmp;
-        } else
+        if (sec_present)
+                rc = read_num_from_str(&wtime[6], 2, &t->tm_sec);
+        else
                 t->tm_sec = 0;
 
         return rc;
+}
+
+static int
+read_num_from_str(char *str, size_t len, int *n)
+{
+        size_t i;
+
+        *n = 0;
+
+        for (i = 0; i < len; ++i, ++str) {
+                if (!isdigit(*str))
+                        return EINVAL;
+                *n *= 10;
+                *n += *str - '0';
+        }
+
+        return EOK;
 }