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authorMihai Moldovan <ionic@ionic.de>2017-12-30 09:30:03 +0100
committerMihai Moldovan <ionic@ionic.de>2018-01-09 00:15:42 +0100
commit2eb2f2e6ca13d84113e30041ade2dbfa9f4e1432 (patch)
tree1365ea718d79998976bfab487b596ef48ce34b0c /nxcomp/src
parentdf8908b9dc0a4583c4b426cbbe47249cd895e16a (diff)
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nxcomp/src/Timestamp.{cpp,h}: use ::ctime_s or ::ctime_r instead of plain ctime, on-stack buffers and return std::string objects.
Fixes: ArcticaProject/nx-libs#616
Diffstat (limited to 'nxcomp/src')
-rw-r--r--nxcomp/src/Timestamp.cpp55
-rw-r--r--nxcomp/src/Timestamp.h16
2 files changed, 49 insertions, 22 deletions
diff --git a/nxcomp/src/Timestamp.cpp b/nxcomp/src/Timestamp.cpp
index e7e0c494a..4a9dd3347 100644
--- a/nxcomp/src/Timestamp.cpp
+++ b/nxcomp/src/Timestamp.cpp
@@ -44,34 +44,55 @@
T_timestamp timestamp;
-//
-// The following functions all use the ctime
-// static buffer from the C library.
-//
-
-char *strTimestamp(const T_timestamp &ts)
+std::string strTimestamp(const T_timestamp &ts)
{
- char *ctime_now = ctime((time_t *) &ts.tv_sec);
+ std::string ret;
+
+ char ctime_now[26] = { };
+ bool err = true;
- ctime_now[24] = '\0';
+#if HAVE_CTIME_S
+ errno_t retval = ::ctime_s(ctime_now, sizeof(ctime_now), static_cast<const time_t*>(&ts.tv_sec));
- return ctime_now;
+ if (retval != 0)
+#else
+ char *retval = ::ctime_r(static_cast<const time_t*>(&ts.tv_sec), ctime_now);
+
+ if (!(retval))
+#endif
+ {
+ std::cerr << "WARNING: converting time to string failed." << std::endl;
+ }
+ else
+ {
+ /* Replace newline at position 25 with a NULL byte. */
+ ctime_now[24] = '\0';
+
+ ret = ctime_now;
+ }
+
+ return ret;
}
//
-// This is especially dirty.
+// This is especially dirty.
//
-char *strMsTimestamp(const T_timestamp &ts)
+std::string strMsTimestamp(const T_timestamp &ts)
{
- char *ctime_now = ctime((time_t *) &ts.tv_sec);
+ std::string ret;
+
+ std::string ctime_now = strTimestamp(ts);
- char ctime_new[25];
+ if (!(ctime_now.empty()))
+ {
+ char ctime_new[26] = { };
- sprintf(ctime_new, "%.8s:%3.3f", ctime_now + 11,
- (float) ts.tv_usec / 1000);
+ snprintf(ctime_new, sizeof(ctime_new), "%.8s:%3.3f",
+ ctime_now.c_str() + 11, static_cast<float>(ts.tv_usec) / 1000);
- strncpy(ctime_now, ctime_new, 24);
+ ret = ctime_new;
+ }
- return ctime_now;
+ return ret;
}
diff --git a/nxcomp/src/Timestamp.h b/nxcomp/src/Timestamp.h
index bb9b243db..9e6fafcfd 100644
--- a/nxcomp/src/Timestamp.h
+++ b/nxcomp/src/Timestamp.h
@@ -26,11 +26,17 @@
#ifndef Timestamp_H
#define Timestamp_H
+#if HAVE_CTIME_S
+#define __STDC_WANT_LIB_EXT1__ 1
+#include <time.h>
+#endif /* HAVE_CTIME_S */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <iostream>
+#include <string>
-#include <time.h>
#include <sys/time.h>
#include "Misc.h"
@@ -260,15 +266,15 @@ inline int checkDiffTimestamp(const T_timestamp &ts1, const T_timestamp &ts2,
// Return a string representing the timestamp.
//
-char *strTimestamp(const T_timestamp &ts);
-char *strMsTimestamp(const T_timestamp &ts);
+std::string strTimestamp(const T_timestamp &ts);
+std::string strMsTimestamp(const T_timestamp &ts);
-inline char *strTimestamp()
+inline std::string strTimestamp()
{
return strTimestamp(getTimestamp());
}
-inline char *strMsTimestamp()
+inline std::string strMsTimestamp()
{
return strMsTimestamp(getTimestamp());
}