vim-patch:9.0.2180: POSIX function name in exarg causes issues (#28308)

Problem:  POSIX function name in exarg struct causes issues
          on OpenVMS
Solution: Rename getline member in exarg struct to ea_getline,
          remove isinf() workaround for VMS

There are compilers that do not treat well POSIX functions - like
getline - usage in the structs.

Older VMS compilers could digest this... but the newer OpenVMS compilers
( like VSI C x86-64 X7.4-843 (GEM 50XB9) ) cannot deal with these
structs. This could be limited to getline() that is defined via
getdelim() and might not affect all POSIX functions in general - but
avoiding POSIX function names usage in the structs is a "safe side"
practice without compromising the functionality or the code readability.

The previous OpenVMS X86 port used a workaround limiting the compiler
capabilities using __CRTL_VER_OVERRIDE=80400000
In order to make the OpenVMS port future proof, this pull request
proposes a possible solution.

closes: vim/vim#13704

https://github.com/vim/vim/commit/6fdb6280821a822768df5689a5d727e37d38306c

Co-authored-by: Zoltan Arpadffy <zoltan.arpadffy@gmail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index 6c997b9500..55d94e165a 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -2783,7 +2783,7 @@ void ex_append(exarg_T *eap)
         indent = get_indent_lnum(lnum);
       }
     }
-    if (eap->getline == NULL) {
+    if (eap->ea_getline == NULL) {
       // No getline() function, use the lines that follow. This ends
       // when there is no more.
       if (eap->nextcmd == NULL || *eap->nextcmd == NUL) {
@@ -2803,7 +2803,8 @@ void ex_append(exarg_T *eap)
       // Set State to avoid the cursor shape to be set to MODE_INSERT
       // state when getline() returns.
       State = MODE_CMDLINE;
-      theline = eap->getline(eap->cstack->cs_looplevel > 0 ? -1 : NUL, eap->cookie, indent, true);
+      theline = eap->ea_getline(eap->cstack->cs_looplevel > 0 ? -1 : NUL,
+                                eap->cookie, indent, true);
       State = save_State;
     }
     lines_left = Rows - 1;