gzdoom-gles/libraries/timidityplus/common.cpp
Christoph Oelckers 4fccadff7e - made the Timidity++ backend a library, now that it has no dependencies on GZDoom anymore.
# Conflicts:
#	src/CMakeLists.txt

# Conflicts:
#	src/CMakeLists.txt
2020-01-05 01:21:32 +01:00

183 lines
3.6 KiB
C++

/*
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;
}