Improve `doprnt' and its usage. (Bug#8545)

 src/doprnt.c (doprnt): Make sure `format' is never accessed beyond
 `format_end'.  Remove support for %l as a conversion specifier.
 Don't use xrealloc.  Improve diagnostics when the %l size modifier
 is used.  Update the commentary.
 src/eval.c (verror): Simplify calculation of size_t.
 src/coding.c (Ffind_operation_coding_system): Fix diagnostic error
 messages.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/eval.c b/src/eval.c
index 8716ad78468..bcbbf740153 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1994,8 +1994,7 @@ verror (const char *m, va_list ap)
 {
   char buf[4000];
   size_t size = sizeof buf;
-  size_t size_max =
-    min (MOST_POSITIVE_FIXNUM, min (INT_MAX, SIZE_MAX - 1)) + 1;
+  size_t size_max =    min (MOST_POSITIVE_FIXNUM, SIZE_MAX);
   size_t mlen = strlen (m);
   char *buffer = buf;
   size_t used;