Prepare to migrate ABSL_PRINTF_ATTRIBUTE to [[gnu::format(...)]]

PiperOrigin-RevId: 998036008
Change-Id: I316e9a6cfb6635b14e95df3ce375ec3f164027a7

absl/base/internal/raw_logging.cc

diff --git a/absl/base/internal/raw_logging.cc b/absl/base/internal/raw_logging.cc
index 7c39f6d..848e69f 100644
--- a/absl/base/internal/raw_logging.cc
+++ b/absl/base/internal/raw_logging.cc
@@ -89,8 +89,8 @@
 // consumed bytes, and return whether the message fit without truncation.  If
 // truncation occurred, if possible leave room in the buffer for the message
 // kTruncated[].
-bool VADoRawLog(char** buf, int* size, const char* format, va_list ap)
-    ABSL_PRINTF_ATTRIBUTE(3, 0);
+ABSL_PRINTF_ATTRIBUTE(3, 0)
+bool VADoRawLog(char** buf, int* size, const char* format, va_list ap);
 bool VADoRawLog(char** buf, int* size, const char* format, va_list ap) {
   if (*size < 0) return false;
   int n = vsnprintf(*buf, static_cast<size_t>(*size), format, ap);
@@ -117,8 +117,8 @@
 // Helper for RawLog below.
 // *DoRawLog writes to *buf of *size and move them past the written portion.
 // It returns true iff there was no overflow or error.
-bool DoRawLog(char** buf, int* size, const char* format, ...)
-    ABSL_PRINTF_ATTRIBUTE(3, 4);
+ABSL_PRINTF_ATTRIBUTE(3, 4)
+bool DoRawLog(char** buf, int* size, const char* format, ...);
 bool DoRawLog(char** buf, int* size, const char* format, ...) {
   if (*size < 0) return false;
   va_list ap;
@@ -143,8 +143,9 @@
 ABSL_INTERNAL_ATOMIC_HOOK_ATTRIBUTES
 absl::base_internal::AtomicHook<AbortHook> abort_hook;
 
+ABSL_PRINTF_ATTRIBUTE(4, 0)
 void RawLogVA(absl::LogSeverity severity, const char* file, int line,
-              const char* format, va_list ap) ABSL_PRINTF_ATTRIBUTE(4, 0);
+              const char* format, va_list ap);
 void RawLogVA(absl::LogSeverity severity, const char* file, int line,
               const char* format, va_list ap) {
   char buffer[kLogBufSize];

absl/base/internal/raw_logging.h

diff --git a/absl/base/internal/raw_logging.h b/absl/base/internal/raw_logging.h
index 8637030..9cc270b 100644
--- a/absl/base/internal/raw_logging.h
+++ b/absl/base/internal/raw_logging.h
@@ -128,8 +128,9 @@
 // Logs format... at "severity" level, reporting it
 // as called from file:line.
 // This does not allocate memory or acquire locks.
+ABSL_PRINTF_ATTRIBUTE(4, 5)
 void RawLog(absl::LogSeverity severity, const char* file, int line,
-            const char* format, ...) ABSL_PRINTF_ATTRIBUTE(4, 5);
+            const char* format, ...);
 
 // Writes the provided buffer directly to stderr, in a signal-safe, low-level
 // manner.  Preserves errno.