The libfmvoice from vampirefrog

error: call to undeclared library function 'memset'

On macOS, LLVM 16:

cc -Wall -O2 -MMD -c tfi_file.c -o tfi_file.o
tfi_file.c:24:2: error: call to undeclared library function 'memset' with type 'void *(void *, int, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
        memset(f, 0, sizeof(*f));
        ^
tfi_file.c:24:2: note: include the header <string.h> or explicitly provide a declaration for 'memset'
1 error generated.

FTBFS: Missing header & functions

This include is broken:

libfmvoice/fmbankdump.c

Line 4 in e3b08e2

#include "fm_voice.h"

cc -Wall -O2 -DHAVE_STDIO -DENABLE_LOADERS -MMD -c fmbankdump.c -o fmbankdump.o
[...]
fmbankdump.c:4:10: fatal error: fm_voice.h: No such file or directory
  4 | #include "fm_voice.h"
    |          ^~~~~~~~~~~~

The header got moved to fm_voice_bank.h, and the fm_voice_bank_load function this code wants to use was dropped.

/nix/store/2p1sq1nr09xr3xb1a9lrjgdanvk1aakb-binutils-2.42/bin/ld: fmbankdump.o: in function `main':
fmbankdump.c:(.text.startup+0x67): undefined reference to `fm_voice_bank_load'

fb01dump complains about missing function:

/nix/store/2p1sq1nr09xr3xb1a9lrjgdanvk1aakb-binutils-2.42/bin/ld: fb01dump.o: in function `main':
fb01dump.c:(.text.startup+0x120): undefined reference to `fb01_bulk_voice_bank_dump'

fb01dump uses fb01_bulk_voice_bank_dump:

libfmvoice/fb01dump.c

Line 42 in e3b08e2

fb01_bulk_voice_bank_dump(&bank);

The header says this should exist, unless we're building for emscripten:

libfmvoice/syx_fb01.h

Lines 148 to 151 in e3b08e2

    
           #ifndef __EMSCRIPTEN__ 
        
           void fb01_bulk_voice_dump(struct fb01_bulk_voice *voice, int voicenum); 
        
           void fb01_bulk_voice_bank_dump(struct fb01_bulk_voice_bank *bank); 
        
           #endif /* __EMSCRIPTEN */

But it's only implented when we don't HAVE_STDIO:

libfmvoice/syx_fb01.c

Line 195 in e3b08e2

#ifndef HAVE_STDIO

[…]

libfmvoice/syx_fb01.c

Lines 249 to 269 in e3b08e2

    
           void fb01_bulk_voice_bank_dump(struct fb01_bulk_voice_bank *bank) { 
        
           	printf( 
        
           		"bank %d, channel %d, name=%c%c%c%c%c%c%c%c voices=%d\n", 
        
           		bank->bank, 
        
           		bank->channel, 
        
           		safechar(bank->name[0]), 
        
           		safechar(bank->name[1]), 
        
           		safechar(bank->name[2]), 
        
           		safechar(bank->name[3]), 
        
           		safechar(bank->name[4]), 
        
           		safechar(bank->name[5]), 
        
           		safechar(bank->name[6]), 
        
           		safechar(bank->name[7]), 
        
           		bank->num_voices 
        
           	); 
        
           	for(int i = 0; i < bank->num_voices; i++) { 
        
           		struct fb01_bulk_voice *voice = bank->voices + i; 
        
           		fb01_bulk_voice_dump(voice, i); 
        
           	} 
        
           } 
        
           #endif

And the Makefile says that we do HAVE_STDIO:

libfmvoice/Makefile

Line 3 in e3b08e2

CFLAGS?=-Wall -O2 -DHAVE_STDIO -DENABLE_LOADERS

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error: call to undeclared library function 'memset'

create collection of voice/bank files for testing

FTBFS: Missing header & functions

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	#ifndef __EMSCRIPTEN__
	void fb01_bulk_voice_dump(struct fb01_bulk_voice *voice, int voicenum);
	void fb01_bulk_voice_bank_dump(struct fb01_bulk_voice_bank *bank);
	#endif /* __EMSCRIPTEN */

	void fb01_bulk_voice_bank_dump(struct fb01_bulk_voice_bank *bank) {
	printf(
	"bank %d, channel %d, name=%c%c%c%c%c%c%c%c voices=%d\n",
	bank->bank,
	bank->channel,
	safechar(bank->name[0]),
	safechar(bank->name[1]),
	safechar(bank->name[2]),
	safechar(bank->name[3]),
	safechar(bank->name[4]),
	safechar(bank->name[5]),
	safechar(bank->name[6]),
	safechar(bank->name[7]),
	bank->num_voices
	);
	for(int i = 0; i < bank->num_voices; i++) {
	struct fb01_bulk_voice *voice = bank->voices + i;
	fb01_bulk_voice_dump(voice, i);
	}
	}
	#endif