X-Git-Url: http://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Futils.c;h=134d2054fbde1ea74de3a8562c93c13067bfcf53;hp=bd61fff3d52ad8c6c16d68b0ca9e195009225018;hb=240baf2b88e34c1600aa2d11a1f1d9a11af4893f;hpb=0c4e727b6aeb61a5fd2749abede3c9b56f84504c

diff --git a/src/common/utils.c b/src/common/utils.c
index bd61fff3d..134d2054f 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -1669,3 +1669,39 @@ 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) {
+		/* Don't print an error; allow the caller to log a better error. */
+		DBG("Failed to parse string as unsigned long long number: string = '%s', errno = %d",
+				str, errno);
+		ret = -1;
+		goto end;
+	}
+
+	/* Not the end of the string or empty string. */
+	if (*endptr || endptr == str) {
+		DBG("Failed to parse string as unsigned long long number: string = '%s'",
+				str);
+		ret = -1;
+		goto end;
+	}
+
+	ret = 0;
+
+end:
+	return ret;
+}