fix off by 1 error

[rrdtool.git] / src / rrd_parsetime.c

diff --git a/src/rrd_parsetime.c b/src/rrd_parsetime.c
index f3a8e2e..d8b96f3 100644 (file)
--- a/src/rrd_parsetime.c
+++ b/src/rrd_parsetime.c
@@ -124,7 +124,7 @@
 
 enum {                  /* symbols */
     MIDNIGHT, NOON, TEATIME,
-    PM, AM, YESTERDAY, TODAY, TOMORROW, NOW, START, END,
+    PM, AM, YESTERDAY, TODAY, TOMORROW, NOW, START, END, EPOCH,
     SECONDS, MINUTES, HOURS, DAYS, WEEKS, MONTHS, YEARS,
     MONTHS_MINUTES,
     NUMBER, PLUS, MINUS, DOT, COLON, SLASH, ID, JUNK,
@@ -157,6 +157,7 @@ static const struct SpecialToken VariousWords[] = {
     {"s", START},
     {"end", END},
     {"e", END},
+    {"epoch", EPOCH},
 
     {"jan", JAN},
     {"feb", FEB},
@@ -598,7 +599,7 @@ static char *tod(
         scc = scc_sv;
         sct = sct_sv;
         sc_tokid = sc_tokid_sv;
-        sprintf(sc_token, "%d", hour);
+        snprintf(sc_token, sc_len, "%d", hour);
         return TIME_OK;
     }
     if (sc_tokid == COLON) {
@@ -630,7 +631,7 @@ static char *tod(
         scc = scc_sv;
         sct = sct_sv;
         sc_tokid = sc_tokid_sv;
-        sprintf(sc_token, "%d", hour);
+        snprintf(sc_token, sc_len, "%d", hour);
         return TIME_OK;
     }
     ptv->tm.  tm_hour = hour;
@@ -686,7 +687,6 @@ static char *day(
 {
     /* using time_t seems to help portability with 64bit oses */
     time_t    mday = 0, wday, mon, year = ptv->tm.tm_year;
-    int       tlen;
 
     switch (sc_tokid) {
     case YESTERDAY:
@@ -755,7 +755,6 @@ static char *day(
     case NUMBER:
         /* get numeric <sec since 1970>, MM/DD/[YY]YY, or DD.MM.[YY]YY
          */
-        tlen = strlen(sc_token);
         mon = atol(sc_token);
         if (mon > 10 * 365 * 24 * 60 * 60) {
             ptv->tm = *localtime(&mon);
@@ -859,6 +858,9 @@ char     *rrd_parsetime(
     case MINUS:
         break;          /* jump to OFFSET-SPEC part */
 
+    case EPOCH:
+        ptv->type = RELATIVE_TO_EPOCH;
+        goto KeepItRelative;
     case START:
         ptv->type = RELATIVE_TO_START_TIME;
         goto KeepItRelative;