Use std::error_code instead of strerror_r.

1 files changed, 5 insertions, 5 deletions

diff --git a/vespalib/src/apps/vespa-drop-file-from-cache/drop_file_from_cache.cpp b/vespalib/src/apps/vespa-drop-file-from-cache/drop_file_from_cache.cpp
index 042681a90fe..7e15885270c 100644
--- a/vespalib/src/apps/vespa-drop-file-from-cache/drop_file_from_cache.cpp
+++ b/vespalib/src/apps/vespa-drop-file-from-cache/drop_file_from_cache.cpp
@@ -5,9 +5,9 @@
 #include <cstring>
 #include <fcntl.h>
 #include <unistd.h>
+#include <system_error>
 
 int main(int argc, char **argv) {
-    char errorBuf[200];
     if (argc != 2) {
         fprintf(stderr, "%s <filename>\n", argv[0]);
         return 1;
@@ -15,16 +15,16 @@ int main(int argc, char **argv) {
     const char *fileName = argv[1];
     int fh = open(fileName, O_RDONLY);
     if (fh == -1) {
-        const char *errorString = strerror_r(errno, errorBuf, sizeof(errorBuf));
-        fprintf(stderr, "Failed opening file %s: %s\n", fileName, errorString);
+        std::error_code ec(errno, std::system_category());
+        fprintf(stderr, "Failed opening file %s: %s\n", fileName, ec.message().c_str());
         return 2;
     }
 
     int retval = 0;
     int err = posix_fadvise(fh, 0, 0, POSIX_FADV_DONTNEED);
     if (err != 0) {
-        const char *errorString = strerror_r(errno, errorBuf, sizeof(errorBuf));
-        fprintf(stderr, "posix_fadvise failed: %s\n", errorString);
+        std::error_code ec(errno, std::system_category());
+        fprintf(stderr, "posix_fadvise failed: %s\n", ec.message().c_str());
         retval = 3;
     }
     close(fh);