- made the Timidity++ backend a library, now that it has no dependencies on GZDoom anymore.

libraries/timidityplus/common.cpp

@@ -0,0 +1,183 @@
+/*
+    TiMidity++ -- MIDI to WAVE converter and player
+    Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
+    Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+   common.c
+
+   */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include <string.h>
+#include <ctype.h>
+#include "common.h"
+#include "controls.h"
+
+namespace TimidityPlus
+{
+
+/* This'll allocate memory or die. */
+void *safe_malloc(size_t count)
+{
+	auto p = malloc(count);
+	if (p == nullptr)
+	{
+		// I_FatalError("Out of memory");
+	}
+	return p;
+}
+
+void *safe_large_malloc(size_t count)
+{
+	return safe_malloc(count);
+}
+
+void *safe_realloc(void *ptr, size_t count)
+{
+	auto p = realloc(ptr, count);
+	if (p == nullptr)
+	{
+		// I_FatalError("Out of memory");
+	}
+	return p;
+}
+
+char *safe_strdup(const char *s)
+{
+	if (s == nullptr) s = "";
+	auto p = strdup(s);
+	if (p == nullptr)
+	{
+		// I_FatalError("Out of memory");
+	}
+	return p;
+}
+
+/* free ((void **)ptr_list)[0..count-1] and ptr_list itself */
+void free_ptr_list(void *ptr_list, int count)
+{
+	int i;
+	for (i = 0; i < count; i++)
+		free(((void **)ptr_list)[i]);
+	free(ptr_list);
+}
+
+static int atoi_limited(const char *string, int v_min, int v_max)
+{
+	int value = atoi(string);
+
+	if (value <= v_min)
+		value = v_min;
+	else if (value > v_max)
+		value = v_max;
+	return value;
+}
+
+int string_to_7bit_range(const char *string_, int *start, int *end)
+{
+	const char *string = string_;
+
+	if (isdigit(*string))
+	{
+		*start = atoi_limited(string, 0, 127);
+		while (isdigit(*++string));
+	}
+	else
+		*start = 0;
+	if (*string == '-')
+	{
+		string++;
+		*end = isdigit(*string) ? atoi_limited(string, 0, 127) : 127;
+		if (*start > *end)
+			*end = *start;
+	}
+	else
+		*end = *start;
+	return string != string_;
+}
+
+
+double GenRand_Real1()
+{
+	return rand() * (1. / RAND_MAX);
+}
+
+int int_rand(int n)
+{
+	return (int)GenRand_Real1() * n;
+}
+
+double flt_rand()
+{
+	return (int)GenRand_Real1();
+}
+
+struct timidity_file *open_file(const char *name, SoundFontReaderInterface *sfreader)
+{
+	return sfreader->open_timidityplus_file(name);
+}
+
+/* This closes files opened with open_file */
+void tf_close(struct timidity_file *tf)
+{
+	delete tf;
+}
+
+/* This is meant for skipping a few bytes. */
+void skip(struct timidity_file *tf, size_t len)
+{
+	tf_seek(tf, (long)len, SEEK_CUR);
+}
+
+int tf_getc(struct timidity_file *tf)
+{
+	unsigned char c;
+	auto read = tf_read(&c, 1, 1, tf);
+	return read == 0 ? EOF : c;
+}
+
+void default_ctl_cmsg(int type, int verbosity_level, const char* fmt, ...)
+{
+	if (verbosity_level >= VERB_DEBUG) return;	// Don't waste time on diagnostics.
+
+	char buffer[2048];
+	va_list args;
+	va_start(args, fmt);
+
+	switch (type)
+	{
+	case CMSG_ERROR:
+		vprintf("Error: %s\n", args);
+		break;
+
+	case CMSG_WARNING:
+		vprintf("Warning: %s\n", args);
+		break;
+
+	case CMSG_INFO:
+		vprintf("Info: %s\n", args);
+		break;
+	}
+}
+
+// Allow hosting applications to capture the messages and deal with them themselves.
+void (*ctl_cmsg)(int type, int verbosity_level, const char* fmt, ...) = default_ctl_cmsg;
+
+}