SoW-2019-0007-2: Dynamic Snapshot: Triggers send partial event payload with notifications

[lttng-tools.git] / src / common / utils.c

diff --git a/src/common/utils.c b/src/common/utils.c
index d6c67bb0f368bac63699b85c05dc399d8d292a08..a96ee66e4553408371c5213a87d4ef0eb4b0ab7e 100644 (file)
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -1663,3 +1663,40 @@ end:
        free(buf);
        return ret_val;
 }
+
+LTTNG_HIDDEN
+int utils_parse_unsigned_long_long(const char *str,
+               unsigned long long *value)
+{
+       int ret;
+       char *endptr;
+
+       assert(str);
+       assert(value);
+
+       errno = 0;
+       *value = strtoull(str, &endptr, 10);
+
+       /* Conversion failed.  Out of range? */
+       if (errno != 0) {
+               ret = -1;
+               goto end;
+       }
+
+       /* Not the end of the string? */
+       if (*endptr) {
+               ret = -1;
+               goto end;
+       }
+
+       /* Empty string? */
+       if (endptr == str) {
+               ret = -1;
+               goto end;
+       }
+
+       ret = 0;
+
+end:
+       return ret;
+}