Line data    Source code

       1              : /* SPDX-FileCopyrightText: Copyright 2026 Cozens Software Solutions Limited
       2              :  * SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0 OR LicenseRef-PolyForm-Internal-Use-1.0.0 OR LicenseRef-COSOSO-Commercial
       3              :  */
       4              : 
       5              : #include "SolidSyslogStackScratch.h"
       6              : 
       7              : #include <stddef.h>
       8              : 
       9              : #include "SolidSyslogFormatter.h"
      10              : #include "SolidSyslogScratch.h"
      11              : #include "SolidSyslogTunables.h"
      12              : 
      13              : static void StackScratch_WithScratch(struct SolidSyslogScratch* self, SolidSyslogScratchUser use, void* context);
      14              : 
      15          967 : struct SolidSyslogScratch* SolidSyslogStackScratch_Get(void)
      16              : {
      17              :     static struct SolidSyslogScratch instance = {StackScratch_WithScratch};
      18          967 :     return &instance;
      19              : }
      20              : 
      21              : /* The array lives in this frame and no other, so a logger wired with a
      22              :  * different scratch never has it on its stack: this function is reached only
      23              :  * through the vtable, which keeps it out of the caller's frame. */
      24         6129 : static void StackScratch_WithScratch(struct SolidSyslogScratch* self, SolidSyslogScratchUser use, void* context)
      25              : {
      26              :     SolidSyslogFormatterStorage storage[SOLIDSYSLOG_FORMATTER_STORAGE_SIZE(SOLIDSYSLOG_MAX_MESSAGE_SIZE)];
      27              :     (void) self;
      28         6129 :     use(storage, SOLIDSYSLOG_MAX_MESSAGE_SIZE, context);
      29         6129 : }