From c74bcad19e99cca59e892ff844df2ccc24048d25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fl=C3=B6ssie?= <floessie.mail@gmail.com>
Date: Fri, 24 May 2024 09:35:48 +0200
Subject: [PATCH] jdatasrc.cc: remove now unused functions

---
 rtengine/jdatasrc.cc | 145 -------------------------------------------
 1 file changed, 145 deletions(-)

diff --git a/rtengine/jdatasrc.cc b/rtengine/jdatasrc.cc
index 96b6f83b6..48d428914 100644
--- a/rtengine/jdatasrc.cc
+++ b/rtengine/jdatasrc.cc
@@ -247,151 +247,6 @@ my_error_exit (j_common_ptr cinfo)
 #endif
 }
 
-/*
- * Actual output of an error or trace message.
- * Applications may override this method to send JPEG messages somewhere
- * other than stderr.
- *
- * On Windows, printing to stderr is generally completely useless,
- * so we provide optional code to produce an error-dialog popup.
- * Most Windows applications will still prefer to override this routine,
- * but if they don't, it'll do something at least marginally useful.
- *
- * NOTE: to use the library in an environment that doesn't support the
- * C stdio library, you may have to delete the call to fprintf() entirely,
- * not just not use this routine.
- */
-
-METHODDEF(void)
-output_message (j_common_ptr cinfo)
-{
-    char buffer[JMSG_LENGTH_MAX];
-
-    /* Create the message */
-    (*cinfo->err->format_message) (cinfo, buffer);
-
-#ifdef USE_WINDOWS_MESSAGEBOX
-    /* Display it in a message dialog box */
-    MessageBox(GetActiveWindow(), buffer, "JPEG Library Error",
-               MB_OK | MB_ICONERROR);
-#else
-    /* Send it to stderr, adding a newline */
-    fprintf(stderr, "%s\n", buffer);
-#endif
-}
-
-
-/*
- * Decide whether to emit a trace or warning message.
- * msg_level is one of:
- *   -1: recoverable corrupt-data warning, may want to abort.
- *    0: important advisory messages (always display to user).
- *    1: first level of tracing detail.
- *    2,3,...: successively more detailed tracing messages.
- * An application might override this method if it wanted to abort on warnings
- * or change the policy about which messages to display.
- */
-
-METHODDEF(void)
-emit_message (j_common_ptr cinfo, int msg_level)
-{
-    struct jpeg_error_mgr * err = cinfo->err;
-
-    if (msg_level < 0) {
-        /* It's a warning message.  Since corrupt files may generate many warnings,
-         * the policy implemented here is to show only the first warning,
-         * unless trace_level >= 3.
-         */
-        if (err->num_warnings == 0 || err->trace_level >= 3) {
-            (*err->output_message) (cinfo);
-        }
-
-        /* Always count warnings in num_warnings. */
-        err->num_warnings++;
-    } else {
-        /* It's a trace message.  Show it if trace_level >= msg_level. */
-        if (err->trace_level >= msg_level) {
-            (*err->output_message) (cinfo);
-        }
-    }
-}
-
-
-/*
- * Format a message string for the most recent JPEG error or message.
- * The message is stored into buffer, which should be at least JMSG_LENGTH_MAX
- * characters.  Note that no '\n' character is added to the string.
- * Few applications should need to override this method.
- */
-
-METHODDEF(void)
-format_message (j_common_ptr cinfo, char * buffer)
-{
-    struct jpeg_error_mgr * err = cinfo->err;
-    int msg_code = err->msg_code;
-    const char * msgtext = nullptr;
-    const char * msgptr;
-    char ch;
-    boolean isstring;
-
-    /* Look up message string in proper table */
-    if (msg_code > 0 && msg_code <= err->last_jpeg_message) {
-        msgtext = err->jpeg_message_table[msg_code];
-    } else if (err->addon_message_table != nullptr &&
-               msg_code >= err->first_addon_message &&
-               msg_code <= err->last_addon_message) {
-        msgtext = err->addon_message_table[msg_code - err->first_addon_message];
-    }
-
-    /* Defend against bogus message number */
-    if (msgtext == nullptr) {
-        err->msg_parm.i[0] = msg_code;
-        msgtext = err->jpeg_message_table[0];
-    }
-
-    /* Check for string parameter, as indicated by %s in the message text */
-    isstring = FALSE;
-    msgptr = msgtext;
-
-    while ((ch = *msgptr++) != '\0') {
-        if (ch == '%') {
-            if (*msgptr == 's') {
-                isstring = TRUE;
-            }
-
-            break;
-        }
-    }
-
-    /* Format the message into the passed buffer */
-    if (isstring) {
-        snprintf(buffer, JMSG_LENGTH_MAX, msgtext, err->msg_parm.s);
-    } else
-        snprintf(buffer, JMSG_LENGTH_MAX, msgtext,
-                err->msg_parm.i[0], err->msg_parm.i[1],
-                err->msg_parm.i[2], err->msg_parm.i[3],
-                err->msg_parm.i[4], err->msg_parm.i[5],
-                err->msg_parm.i[6], err->msg_parm.i[7]);
-}
-
-
-/*
- * Reset error state variables at start of a new image.
- * This is called during compression startup to reset trace/error
- * processing to default state, without losing any application-specific
- * method pointers.  An application might possibly want to override
- * this method if it has additional error processing state.
- */
-
-METHODDEF(void)
-reset_error_mgr (j_common_ptr cinfo)
-{
-    cinfo->err->num_warnings = 0;
-    /* trace_level is not reset since it is an application-supplied parameter */
-    cinfo->err->msg_code = 0; /* may be useful as a flag for "no error" */
-}
-
-
 GLOBAL(struct jpeg_error_mgr *)
 my_jpeg_std_error (struct jpeg_error_mgr * err)
 {