Merge branch 'iproute2-master' into iproute2-next

[mirror_iproute2.git] / lib / utils.c

diff --git a/lib/utils.c b/lib/utils.c
index 7be2d6bec5215ccb3989842081ad9a4ae2f3c6c6..ec7f7bcba92a0205486daa126957a35385150a93 100644 (file)
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -384,6 +384,27 @@ int get_u8(__u8 *val, const char *arg, int base)
        return 0;
 }
 
+int get_s64(__s64 *val, const char *arg, int base)
+{
+       long res;
+       char *ptr;
+
+       errno = 0;
+
+       if (!arg || !*arg)
+               return -1;
+       res = strtoll(arg, &ptr, base);
+       if (!ptr || ptr == arg || *ptr)
+               return -1;
+       if ((res == LLONG_MIN || res == LLONG_MAX) && errno == ERANGE)
+               return -1;
+       if (res > INT64_MAX || res < INT64_MIN)
+               return -1;
+
+       *val = res;
+       return 0;
+}
+
 int get_s32(__s32 *val, const char *arg, int base)
 {
        long res;
@@ -1661,3 +1682,104 @@ void drop_cap(void)
        }
 #endif
 }
+
+int get_time(unsigned int *time, const char *str)
+{
+       double t;
+       char *p;
+
+       t = strtod(str, &p);
+       if (p == str)
+               return -1;
+
+       if (*p) {
+               if (strcasecmp(p, "s") == 0 || strcasecmp(p, "sec") == 0 ||
+                   strcasecmp(p, "secs") == 0)
+                       t *= TIME_UNITS_PER_SEC;
+               else if (strcasecmp(p, "ms") == 0 || strcasecmp(p, "msec") == 0 ||
+                        strcasecmp(p, "msecs") == 0)
+                       t *= TIME_UNITS_PER_SEC/1000;
+               else if (strcasecmp(p, "us") == 0 || strcasecmp(p, "usec") == 0 ||
+                        strcasecmp(p, "usecs") == 0)
+                       t *= TIME_UNITS_PER_SEC/1000000;
+               else
+                       return -1;
+       }
+
+       *time = t;
+       return 0;
+}
+
+
+void print_time(char *buf, int len, __u32 time)
+{
+       double tmp = time;
+
+       if (tmp >= TIME_UNITS_PER_SEC)
+               snprintf(buf, len, "%.1fs", tmp/TIME_UNITS_PER_SEC);
+       else if (tmp >= TIME_UNITS_PER_SEC/1000)
+               snprintf(buf, len, "%.1fms", tmp/(TIME_UNITS_PER_SEC/1000));
+       else
+               snprintf(buf, len, "%uus", time);
+}
+
+char *sprint_time(__u32 time, char *buf)
+{
+       print_time(buf, SPRINT_BSIZE-1, time);
+       return buf;
+}
+
+/* 64 bit times are represented internally in nanoseconds */
+int get_time64(__s64 *time, const char *str)
+{
+       double nsec;
+       char *p;
+
+       nsec = strtod(str, &p);
+       if (p == str)
+               return -1;
+
+       if (*p) {
+               if (strcasecmp(p, "s") == 0 ||
+                   strcasecmp(p, "sec") == 0 ||
+                   strcasecmp(p, "secs") == 0)
+                       nsec *= NSEC_PER_SEC;
+               else if (strcasecmp(p, "ms") == 0 ||
+                        strcasecmp(p, "msec") == 0 ||
+                        strcasecmp(p, "msecs") == 0)
+                       nsec *= NSEC_PER_MSEC;
+               else if (strcasecmp(p, "us") == 0 ||
+                        strcasecmp(p, "usec") == 0 ||
+                        strcasecmp(p, "usecs") == 0)
+                       nsec *= NSEC_PER_USEC;
+               else if (strcasecmp(p, "ns") == 0 ||
+                        strcasecmp(p, "nsec") == 0 ||
+                        strcasecmp(p, "nsecs") == 0)
+                       nsec *= 1;
+               else
+                       return -1;
+       }
+
+       *time = nsec;
+       return 0;
+}
+
+void print_time64(char *buf, int len, __s64 time)
+{
+       double nsec = time;
+
+       if (time >= NSEC_PER_SEC)
+               snprintf(buf, len, "%.3fs", nsec/NSEC_PER_SEC);
+       else if (time >= NSEC_PER_MSEC)
+               snprintf(buf, len, "%.3fms", nsec/NSEC_PER_MSEC);
+       else if (time >= NSEC_PER_USEC)
+               snprintf(buf, len, "%.3fus", nsec/NSEC_PER_USEC);
+       else
+               snprintf(buf, len, "%lldns", time);
+}
+
+char *sprint_time64(__s64 time, char *buf)
+{
+       print_time64(buf, SPRINT_BSIZE-1, time);
+       return buf;
+}