Add evsnprintf for printing a `va_list` to a buffer or aborting the program on

an overflow or other error.

1 files changed, 11 insertions, 4 deletions

diff --git a/test/vfd_swmr_common.c b/test/vfd_swmr_common.c
index 036308a..7b1b550 100644
--- a/test/vfd_swmr_common.c
+++ b/test/vfd_swmr_common.c
@@ -34,14 +34,11 @@ static const hid_t badhid = H5I_INVALID_HID;
 int verbosity = 2;
 
 void
-esnprintf(char *buf, size_t bufsz, const char *fmt, ...)
+evsnprintf(char *buf, size_t bufsz, const char *fmt, va_list ap)
 {
     int rc;
-    va_list ap;
 
-    va_start(ap, fmt);
     rc = vsnprintf(buf, bufsz, fmt, ap);
-    va_end(ap);
 
     if (rc < 0)
         err(EXIT_FAILURE, "%s: vsnprintf", __func__);
@@ -50,6 +47,16 @@ esnprintf(char *buf, size_t bufsz, const char *fmt, ...)
 }
 
 void
+esnprintf(char *buf, size_t bufsz, const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    evsnprintf(buf, bufsz, fmt, ap);
+    va_end(ap);
+}
+
+void
 dbgf(int level, const char *fmt, ...)
 {
     va_list ap;