vim-patch:8.0.0709: libvterm cannot use vsnprintf()

Problem:    Libvterm cannot use vsnprintf(), it does not exist in C90.
Solution:   Use vim_vsnprintf() instead.
https://github.com/vim/vim/commit/8327d1df1754b33d8a93b3411f30692f0042f4ce

1 files changed, 10 insertions, 6 deletions

diff --git a/src/nvim/strings.c b/src/nvim/strings.c
index 96a8dfd295..3ba9354c67 100644
--- a/src/nvim/strings.c
+++ b/src/nvim/strings.c
@@ -678,12 +678,12 @@ static float_T tv_float(typval_T *const tvs, int *const idxp)
 // are discarded. If "str_m" is greater than zero it is guaranteed
 // the resulting string will be NUL-terminated.
 
-// vim_vsnprintf() can be invoked with either "va_list" or a list of
+// vim_vsnprintf_typval() can be invoked with either "va_list" or a list of
 // "typval_T".  When the latter is not used it must be NULL.
 
 /// Append a formatted value to the string
 ///
-/// @see vim_vsnprintf().
+/// @see vim_vsnprintf_typval().
 int vim_snprintf_add(char *str, size_t str_m, char *fmt, ...)
   FUNC_ATTR_PRINTF(3, 4)
 {
@@ -697,7 +697,7 @@ int vim_snprintf_add(char *str, size_t str_m, char *fmt, ...)
   }
   va_list ap;
   va_start(ap, fmt);
-  const int str_l = vim_vsnprintf(str + len, space, fmt, ap, NULL);
+  const int str_l = vim_vsnprintf(str + len, space, fmt, ap);
   va_end(ap);
   return str_l;
 }
@@ -715,7 +715,7 @@ int vim_snprintf(char *str, size_t str_m, const char *fmt, ...)
 {
   va_list ap;
   va_start(ap, fmt);
-  const int str_l = vim_vsnprintf(str, str_m, fmt, ap, NULL);
+  const int str_l = vim_vsnprintf(str, str_m, fmt, ap);
   va_end(ap);
   return str_l;
 }
@@ -736,6 +736,10 @@ static const char *infinity_str(bool positive, char fmt_spec,
   return table[idx];
 }
 
+int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap)
+{
+  return vim_vsnprintf_typval(str, str_m, fmt, ap, NULL);
+}
 
 /// Write formatted value to the string
 ///
@@ -748,8 +752,8 @@ static const char *infinity_str(bool positive, char fmt_spec,
 ///
 /// @return Number of bytes excluding NUL byte that would be written to the
 ///         string if str_m was greater or equal to the return value.
-int vim_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap,
-                  typval_T *const tvs)
+int vim_vsnprintf_typval(
+    char *str, size_t str_m, const char *fmt, va_list ap, typval_T *const tvs)
 {
   size_t str_l = 0;
   bool str_avail = str_l < str_m;