[ia32rtools.git] / tools / protoparse.h


struct parsed_proto;

struct parsed_proto_arg {
	char *reg;
	const char *type;
	struct parsed_proto *fptr;
	void *datap;
};

struct parsed_proto {
	char name[256];
	const char *ret_type;
	struct parsed_proto_arg arg[16];
	int argc;
	int argc_stack;
	int argc_reg;
	unsigned int is_func:1;
	unsigned int is_stdcall:1;
	unsigned int is_fptr:1;
	unsigned int is_array:1;
};

static const char *hdrfn;
static int hdrfline = 0;

static int find_protostr(char *dst, size_t dlen, FILE *fhdr,
	const char *fname, const char *sym_)
{
	const char *sym = sym_;
	const char *finc_name;
	FILE *finc;
	int symlen;
	int line = 0;
	int ret;
	char *p;

	if (sym[0] == '_' && strncmp(fname, "stdc", 4) == 0)
		sym++;
	symlen = strlen(sym);

	rewind(fhdr);

	while (fgets(dst, dlen, fhdr))
	{
		line++;
		if (strncmp(dst, "//#include ", 11) == 0) {
			finc_name = dst + 11;
			p = strpbrk(finc_name, "\r\n ");
			if (p != NULL)
				*p = 0;

			finc = fopen(finc_name, "r");
			if (finc == NULL) {
				printf("%s:%d: can't open '%s'\n",
					fname, line, finc_name);
				continue;
			}
			ret = find_protostr(dst, dlen, finc,
				finc_name, sym_);
			fclose(finc);
			if (ret == 0)
				break;
			continue;
		}
		if (strncmp(sskip(dst), "//", 2) == 0)
			continue;

		p = strstr(dst, sym);
		if (p != NULL && p > dst
		   && (my_isblank(p[-1]) || my_issep(p[-1]))
		   && (my_isblank(p[symlen]) || my_issep(p[symlen])))
			break;
	}
	hdrfline = line;

	if (feof(fhdr))
		return -1;

	p = dst + strlen(dst);
	for (p--; p > dst && my_isblank(*p); --p)
		*p = 0;

	return 0;
}

static int get_regparm(char *dst, size_t dlen, char *p)
{
	int i, o;

	if (*p != '<')
		return 0;

	for (o = 0, i = 1; o < dlen; i++) {
		if (p[i] == 0)
			return 0;
		if (p[i] == '>')
			break;
		dst[o++] = p[i];
	}
	dst[o] = 0;
	return i + 1;
}

// hmh..
static const char *known_types[] = {
	"const void *",
	"void *",
	"char *",
	"FILE *",
	"int *",
	"unsigned __int8",
	"unsigned __int16",
	"unsigned int",
	"signed int",
	"char",
	"__int8",
	"__int16",
	"int",
	"bool",
	"void",
	"BYTE",
	"WORD",
	"DWORD",
	"_DWORD",
	"HMODULE",
	"HANDLE",
	"HWND",
	"LPCSTR",
	"size_t",
};

static int typecmp(const char *n, const char *t)
{
	for (; *t != 0; n++, t++) {
		while (n[0] == ' ' && (n[1] == ' ' || n[1] == '*'))
			n++;
		while (t[0] == ' ' && (t[1] == ' ' || t[1] == '*'))
			t++;
		if (*n != *t)
			return *n - *t;
	}

	return 0;
}

static const char *check_type(const char *name)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(known_types); i++) {
		if (typecmp(name, known_types[i]) == 0)
			return known_types[i];
	}

	return NULL;
}

/* args are always expanded to 32bit */
static const char *map_reg(const char *reg)
{
	const char *regs_f[] = { "eax", "ebx", "ecx", "edx", "esi", "edi" };
	const char *regs_w[] = { "ax",  "bx",  "cx",  "dx",  "si",  "di" };
	const char *regs_b[] = { "al",  "bl",  "cl",  "dl" };
	int i;

	for (i = 0; i < ARRAY_SIZE(regs_w); i++)
		if (IS(reg, regs_w[i]))
			return regs_f[i];

	for (i = 0; i < ARRAY_SIZE(regs_b); i++)
		if (IS(reg, regs_b[i]))
			return regs_f[i];

	return reg;
}

static int parse_protostr(char *protostr, struct parsed_proto *pp)
{
	struct parsed_proto_arg *arg;
	char regparm[16];
	char buf[256];
	char cconv[32];
	const char *kt;
	int xarg = 0;
	char *p, *p1;
	int ret;
	int i;

	p = sskip(protostr);
	if (p[0] == '/' && p[1] == '/') {
		printf("%s:%d: commented out?\n", hdrfn, hdrfline);
		p = sskip(p + 2);
	}

	// strip unneeded stuff
	for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) {
		if ((p1[0] == '/' && p1[1] == '*')
		 || (p1[0] == '*' && p1[1] == '/'))
			p1[0] = p1[1] = ' ';
	}

	if (strncmp(p, "extern ", 7) == 0)
		p = sskip(p + 7);

	kt = check_type(p);
	if (kt == NULL) {
		printf("%s:%d:%ld: unhandled return in '%s'\n",
			hdrfn, hdrfline, (p - protostr) + 1, protostr);
		return -1;
	}
	pp->ret_type = kt;
	p += strlen(kt);
	p = sskip(p);

	if (!strchr(p, ')')) {
		p = next_idt(buf, sizeof(buf), p);
		p = sskip(p);
		if (buf[0] == 0) {
			printf("%s:%d:%ld: var name missing\n",
				hdrfn, hdrfline, (p - protostr) + 1);
			return -1;
		}
		strcpy(pp->name, buf);

		p1 = strchr(p, ']');
		if (p1 != NULL) {
			p = p1 + 1;
			pp->is_array = 1;
		}
		return p - protostr;
	}

	pp->is_func = 1;

	if (*p == '(') {
		pp->is_fptr = 1;
		p = sskip(p + 1);
	}

	p = next_word(cconv, sizeof(cconv), p);
	p = sskip(p);
	if (cconv[0] == 0) {
		printf("%s:%d:%ld: cconv missing\n",
			hdrfn, hdrfline, (p - protostr) + 1);
		return -1;
	}
	if      (IS(cconv, "__cdecl"))
		pp->is_stdcall = 0;
	else if (IS(cconv, "__stdcall"))
		pp->is_stdcall = 1;
	else if (IS(cconv, "__fastcall"))
		pp->is_stdcall = 1;
	else if (IS(cconv, "__thiscall"))
		pp->is_stdcall = 1;
	else if (IS(cconv, "__userpurge"))
		pp->is_stdcall = 1; // in all cases seen..
	else if (IS(cconv, "__usercall"))
		pp->is_stdcall = 0; // ..or is it?
	else {
		printf("%s:%d:%ld: unhandled cconv: '%s'\n",
			hdrfn, hdrfline, (p - protostr) + 1, cconv);
		return -1;
	}

	if (pp->is_fptr) {
		if (*p != '*') {
			printf("%s:%d:%ld: '*' expected\n",
				hdrfn, hdrfline, (p - protostr) + 1);
			return -1;
		}
		p = sskip(p + 1);
	}

	p = next_idt(buf, sizeof(buf), p);
	p = sskip(p);
	if (buf[0] == 0) {
		printf("%s:%d:%ld: func name missing\n",
			hdrfn, hdrfline, (p - protostr) + 1);
		return -1;
	}
	strcpy(pp->name, buf);

	ret = get_regparm(regparm, sizeof(regparm), p);
	if (ret > 0) {
		if (!IS(regparm, "eax") && !IS(regparm, "ax")
		 && !IS(regparm, "al"))
		{
			printf("%s:%d:%ld: bad regparm: %s\n",
				hdrfn, hdrfline, (p - protostr) + 1, regparm);
			return -1;
		}
		p += ret;
		p = sskip(p);
	}

	if (pp->is_fptr) {
		if (*p != ')') {
			printf("%s:%d:%ld: ')' expected\n",
				hdrfn, hdrfline, (p - protostr) + 1);
			return -1;
		}
		p = sskip(p + 1);
	}

	if (*p != '(') {
		printf("%s:%d:%ld: '(' expected, got '%c'\n",
				hdrfn, hdrfline, (p - protostr) + 1, *p);
		return -1;
	}
	p++;

	// check for x(void)
	p = sskip(p);
	if ((!strncmp(p, "void", 4) || !strncmp(p, "VOID", 4))
	   && *sskip(p + 4) == ')')
		p += 4;

	while (1) {
		p = sskip(p);
		if (*p == ')') {
			p++;
			break;
		}
		if (*p == ',')
			p = sskip(p + 1);

		arg = &pp->arg[xarg];
		xarg++;

		p1 = p;
		kt = check_type(p);
		if (kt == NULL) {
			printf("%s:%d:%ld: unhandled type for arg%d\n",
				hdrfn, hdrfline, (p - protostr) + 1, xarg);
			return -1;
		}
		arg->type = kt;
		p += strlen(kt);
		p = sskip(p);

		if (*p == '(') {
			// func ptr
			arg->fptr = calloc(1, sizeof(*arg->fptr));
			ret = parse_protostr(p1, arg->fptr);
			if (ret < 0) {
				printf("%s:%d:%ld: funcarg parse failed\n",
					hdrfn, hdrfline, p1 - protostr);
				return -1;
			}
			// we'll treat it as void * for non-calls
			arg->type = "void *";

			p = p1 + ret;
		}

		p = next_idt(buf, sizeof(buf), p);
		p = sskip(p);
#if 0
		if (buf[0] == 0) {
			printf("%s:%d:%ld: idt missing for arg%d\n",
				hdrfn, hdrfline, (p - protostr) + 1, xarg);
			return -1;
		}
#endif
		arg->reg = NULL;

		ret = get_regparm(regparm, sizeof(regparm), p);
		if (ret > 0) {
			p += ret;
			p = sskip(p);

			arg->reg = strdup(map_reg(regparm));
		}
	}

	if (xarg > 0 && (IS(cconv, "__fastcall") || IS(cconv, "__thiscall"))) {
		if (pp->arg[0].reg != NULL) {
			printf("%s:%d: %s with arg1 spec %s?\n",
				hdrfn, hdrfline, cconv, pp->arg[0].reg);
		}
		pp->arg[0].reg = strdup("ecx");
	}

	if (xarg > 1 && IS(cconv, "__fastcall")) {
		if (pp->arg[1].reg != NULL) {
			printf("%s:%d: %s with arg2 spec %s?\n",
				hdrfn, hdrfline, cconv, pp->arg[1].reg);
		}
		pp->arg[1].reg = strdup("edx");
	}

	pp->argc = xarg;

	for (i = 0; i < pp->argc; i++) {
		if (pp->arg[i].reg == NULL)
			pp->argc_stack++;
		else
			pp->argc_reg++;
	}

	return p - protostr;
}

static int proto_parse(FILE *fhdr, const char *sym, struct parsed_proto *pp)
{
	char protostr[256];
	int ret;

	memset(pp, 0, sizeof(*pp));

	ret = find_protostr(protostr, sizeof(protostr), fhdr, hdrfn, sym);
	if (ret != 0) {
		printf("%s: sym '%s' is missing\n", hdrfn, sym);
		return ret;
	}

	return parse_protostr(protostr, pp) < 0 ? -1 : 0;
}

static void proto_release(struct parsed_proto *pp)
{
	int i;

	for (i = 0; i < pp->argc; i++) {
		if (pp->arg[i].reg != NULL)
			free(pp->arg[i].reg);
		if (pp->arg[i].fptr != NULL)
			free(pp->arg[i].fptr);
	}
}
Commit	Line	Data
	1
	2	struct parsed_proto;
	3
	4	struct parsed_proto_arg {
	5	char *reg;
	6	const char *type;
	7	struct parsed_proto *fptr;
	8	void *datap;
	9	};
	10
	11	struct parsed_proto {
	12	char name[256];
	13	const char *ret_type;
	14	struct parsed_proto_arg arg[16];
	15	int argc;
	16	int argc_stack;
	17	int argc_reg;
	18	unsigned int is_func:1;
	19	unsigned int is_stdcall:1;
	20	unsigned int is_fptr:1;
	21	unsigned int is_array:1;
	22	};
	23
	24	static const char *hdrfn;
	25	static int hdrfline = 0;
	26
	27	static int find_protostr(char dst, size_t dlen, FILE fhdr,
	28	const char fname, const char sym_)
	29	{
	30	const char *sym = sym_;
	31	const char *finc_name;
	32	FILE *finc;
	33	int symlen;
	34	int line = 0;
	35	int ret;
	36	char *p;
	37
	38	if (sym[0] == '_' && strncmp(fname, "stdc", 4) == 0)
	39	sym++;
	40	symlen = strlen(sym);
	41
	42	rewind(fhdr);
	43
	44	while (fgets(dst, dlen, fhdr))
	45	{
	46	line++;
	47	if (strncmp(dst, "//#include ", 11) == 0) {
	48	finc_name = dst + 11;
	49	p = strpbrk(finc_name, "\r\n ");
	50	if (p != NULL)
	51	*p = 0;
	52
	53	finc = fopen(finc_name, "r");
	54	if (finc == NULL) {
	55	printf("%s:%d: can't open '%s'\n",
	56	fname, line, finc_name);
	57	continue;
	58	}
	59	ret = find_protostr(dst, dlen, finc,
	60	finc_name, sym_);
	61	fclose(finc);
	62	if (ret == 0)
	63	break;
	64	continue;
	65	}
	66	if (strncmp(sskip(dst), "//", 2) == 0)
	67	continue;
	68
	69	p = strstr(dst, sym);
	70	if (p != NULL && p > dst
	71	&& (my_isblank(p[-1]) \|\| my_issep(p[-1]))
	72	&& (my_isblank(p[symlen]) \|\| my_issep(p[symlen])))
	73	break;
	74	}
	75	hdrfline = line;
	76
	77	if (feof(fhdr))
	78	return -1;
	79
	80	p = dst + strlen(dst);
	81	for (p--; p > dst && my_isblank(*p); --p)
	82	*p = 0;
	83
	84	return 0;
	85	}
	86
	87	static int get_regparm(char dst, size_t dlen, char p)
	88	{
	89	int i, o;
	90
	91	if (*p != '<')
	92	return 0;
	93
	94	for (o = 0, i = 1; o < dlen; i++) {
	95	if (p[i] == 0)
	96	return 0;
	97	if (p[i] == '>')
	98	break;
	99	dst[o++] = p[i];
	100	}
	101	dst[o] = 0;
	102	return i + 1;
	103	}
	104
	105	// hmh..
	106	static const char *known_types[] = {
	107	"const void *",
	108	"void *",
	109	"char *",
	110	"FILE *",
	111	"int *",
	112	"unsigned __int8",
	113	"unsigned __int16",
	114	"unsigned int",
	115	"signed int",
	116	"char",
	117	"__int8",
	118	"__int16",
	119	"int",
	120	"bool",
	121	"void",
	122	"BYTE",
	123	"WORD",
	124	"DWORD",
	125	"_DWORD",
	126	"HMODULE",
	127	"HANDLE",
	128	"HWND",
	129	"LPCSTR",
	130	"size_t",
	131	};
	132
	133	static int typecmp(const char n, const char t)
	134	{
	135	for (; *t != 0; n++, t++) {
	136	while (n[0] == ' ' && (n[1] == ' ' \|\| n[1] == '*'))
	137	n++;
	138	while (t[0] == ' ' && (t[1] == ' ' \|\| t[1] == '*'))
	139	t++;
	140	if (n != t)
	141	return n - t;
	142	}
	143
	144	return 0;
	145	}
	146
	147	static const char check_type(const char name)
	148	{
	149	int i;
	150
	151	for (i = 0; i < ARRAY_SIZE(known_types); i++) {
	152	if (typecmp(name, known_types[i]) == 0)
	153	return known_types[i];
	154	}
	155
	156	return NULL;
	157	}
	158
	159	/* args are always expanded to 32bit */
	160	static const char map_reg(const char reg)
	161	{
	162	const char *regs_f[] = { "eax", "ebx", "ecx", "edx", "esi", "edi" };
	163	const char *regs_w[] = { "ax", "bx", "cx", "dx", "si", "di" };
	164	const char *regs_b[] = { "al", "bl", "cl", "dl" };
	165	int i;
	166
	167	for (i = 0; i < ARRAY_SIZE(regs_w); i++)
	168	if (IS(reg, regs_w[i]))
	169	return regs_f[i];
	170
	171	for (i = 0; i < ARRAY_SIZE(regs_b); i++)
	172	if (IS(reg, regs_b[i]))
	173	return regs_f[i];
	174
	175	return reg;
	176	}
	177
	178	static int parse_protostr(char protostr, struct parsed_proto pp)
	179	{
	180	struct parsed_proto_arg *arg;
	181	char regparm[16];
	182	char buf[256];
	183	char cconv[32];
	184	const char *kt;
	185	int xarg = 0;
	186	char p, p1;
	187	int ret;
	188	int i;
	189
	190	p = sskip(protostr);
	191	if (p[0] == '/' && p[1] == '/') {
	192	printf("%s:%d: commented out?\n", hdrfn, hdrfline);
	193	p = sskip(p + 2);
	194	}
	195
	196	// strip unneeded stuff
	197	for (p1 = p; p1[0] != 0 && p1[1] != 0; p1++) {
	198	if ((p1[0] == '/' && p1[1] == '*')
	199	\|\| (p1[0] == '*' && p1[1] == '/'))
	200	p1[0] = p1[1] = ' ';
	201	}
	202
	203	if (strncmp(p, "extern ", 7) == 0)
	204	p = sskip(p + 7);
	205
	206	kt = check_type(p);
	207	if (kt == NULL) {
	208	printf("%s:%d:%ld: unhandled return in '%s'\n",
	209	hdrfn, hdrfline, (p - protostr) + 1, protostr);
	210	return -1;
	211	}
	212	pp->ret_type = kt;
	213	p += strlen(kt);
	214	p = sskip(p);
	215
	216	if (!strchr(p, ')')) {
	217	p = next_idt(buf, sizeof(buf), p);
	218	p = sskip(p);
	219	if (buf[0] == 0) {
	220	printf("%s:%d:%ld: var name missing\n",
	221	hdrfn, hdrfline, (p - protostr) + 1);
	222	return -1;
	223	}
	224	strcpy(pp->name, buf);
	225
	226	p1 = strchr(p, ']');
	227	if (p1 != NULL) {
	228	p = p1 + 1;
	229	pp->is_array = 1;
	230	}
	231	return p - protostr;
	232	}
	233
	234	pp->is_func = 1;
	235
	236	if (*p == '(') {
	237	pp->is_fptr = 1;
	238	p = sskip(p + 1);
	239	}
	240
	241	p = next_word(cconv, sizeof(cconv), p);
	242	p = sskip(p);
	243	if (cconv[0] == 0) {
	244	printf("%s:%d:%ld: cconv missing\n",
	245	hdrfn, hdrfline, (p - protostr) + 1);
	246	return -1;
	247	}
	248	if (IS(cconv, "__cdecl"))
	249	pp->is_stdcall = 0;
	250	else if (IS(cconv, "__stdcall"))
	251	pp->is_stdcall = 1;
	252	else if (IS(cconv, "__fastcall"))
	253	pp->is_stdcall = 1;
	254	else if (IS(cconv, "__thiscall"))
	255	pp->is_stdcall = 1;
	256	else if (IS(cconv, "__userpurge"))
	257	pp->is_stdcall = 1; // in all cases seen..
	258	else if (IS(cconv, "__usercall"))
	259	pp->is_stdcall = 0; // ..or is it?
	260	else {
	261	printf("%s:%d:%ld: unhandled cconv: '%s'\n",
	262	hdrfn, hdrfline, (p - protostr) + 1, cconv);
	263	return -1;
	264	}
	265
	266	if (pp->is_fptr) {
	267	if (p != '') {
	268	printf("%s:%d:%ld: '*' expected\n",
	269	hdrfn, hdrfline, (p - protostr) + 1);
	270	return -1;
	271	}
	272	p = sskip(p + 1);
	273	}
	274
	275	p = next_idt(buf, sizeof(buf), p);
	276	p = sskip(p);
	277	if (buf[0] == 0) {
	278	printf("%s:%d:%ld: func name missing\n",
	279	hdrfn, hdrfline, (p - protostr) + 1);
	280	return -1;
	281	}
	282	strcpy(pp->name, buf);
	283
	284	ret = get_regparm(regparm, sizeof(regparm), p);
	285	if (ret > 0) {
	286	if (!IS(regparm, "eax") && !IS(regparm, "ax")
	287	&& !IS(regparm, "al"))
	288	{
	289	printf("%s:%d:%ld: bad regparm: %s\n",
	290	hdrfn, hdrfline, (p - protostr) + 1, regparm);
	291	return -1;
	292	}
	293	p += ret;
	294	p = sskip(p);
	295	}
	296
	297	if (pp->is_fptr) {
	298	if (*p != ')') {
	299	printf("%s:%d:%ld: ')' expected\n",
	300	hdrfn, hdrfline, (p - protostr) + 1);
	301	return -1;
	302	}
	303	p = sskip(p + 1);
	304	}
	305
	306	if (*p != '(') {
	307	printf("%s:%d:%ld: '(' expected, got '%c'\n",
	308	hdrfn, hdrfline, (p - protostr) + 1, *p);
	309	return -1;
	310	}
	311	p++;
	312
	313	// check for x(void)
	314	p = sskip(p);
	315	if ((!strncmp(p, "void", 4) \|\| !strncmp(p, "VOID", 4))
	316	&& *sskip(p + 4) == ')')
	317	p += 4;
	318
	319	while (1) {
	320	p = sskip(p);
	321	if (*p == ')') {
	322	p++;
	323	break;
	324	}
	325	if (*p == ',')
	326	p = sskip(p + 1);
	327
	328	arg = &pp->arg[xarg];
	329	xarg++;
	330
	331	p1 = p;
	332	kt = check_type(p);
	333	if (kt == NULL) {
	334	printf("%s:%d:%ld: unhandled type for arg%d\n",
	335	hdrfn, hdrfline, (p - protostr) + 1, xarg);
	336	return -1;
	337	}
	338	arg->type = kt;
	339	p += strlen(kt);
	340	p = sskip(p);
	341
	342	if (*p == '(') {
	343	// func ptr
	344	arg->fptr = calloc(1, sizeof(*arg->fptr));
	345	ret = parse_protostr(p1, arg->fptr);
	346	if (ret < 0) {
	347	printf("%s:%d:%ld: funcarg parse failed\n",
	348	hdrfn, hdrfline, p1 - protostr);
	349	return -1;
	350	}
	351	// we'll treat it as void * for non-calls
	352	arg->type = "void *";
	353
	354	p = p1 + ret;
	355	}
	356
	357	p = next_idt(buf, sizeof(buf), p);
	358	p = sskip(p);
	359	#if 0
	360	if (buf[0] == 0) {
	361	printf("%s:%d:%ld: idt missing for arg%d\n",
	362	hdrfn, hdrfline, (p - protostr) + 1, xarg);
	363	return -1;
	364	}
	365	#endif
	366	arg->reg = NULL;
	367
	368	ret = get_regparm(regparm, sizeof(regparm), p);
	369	if (ret > 0) {
	370	p += ret;
	371	p = sskip(p);
	372
	373	arg->reg = strdup(map_reg(regparm));
	374	}
	375	}
	376
	377	if (xarg > 0 && (IS(cconv, "__fastcall") \|\| IS(cconv, "__thiscall"))) {
	378	if (pp->arg[0].reg != NULL) {
	379	printf("%s:%d: %s with arg1 spec %s?\n",
	380	hdrfn, hdrfline, cconv, pp->arg[0].reg);
	381	}
	382	pp->arg[0].reg = strdup("ecx");
	383	}
	384
	385	if (xarg > 1 && IS(cconv, "__fastcall")) {
	386	if (pp->arg[1].reg != NULL) {
	387	printf("%s:%d: %s with arg2 spec %s?\n",
	388	hdrfn, hdrfline, cconv, pp->arg[1].reg);
	389	}
	390	pp->arg[1].reg = strdup("edx");
	391	}
	392
	393	pp->argc = xarg;
	394
	395	for (i = 0; i < pp->argc; i++) {
	396	if (pp->arg[i].reg == NULL)
	397	pp->argc_stack++;
	398	else
	399	pp->argc_reg++;
	400	}
	401
	402	return p - protostr;
	403	}
	404
	405	static int proto_parse(FILE fhdr, const char sym, struct parsed_proto *pp)
	406	{
	407	char protostr[256];
	408	int ret;
	409
	410	memset(pp, 0, sizeof(*pp));
	411
	412	ret = find_protostr(protostr, sizeof(protostr), fhdr, hdrfn, sym);
	413	if (ret != 0) {
	414	printf("%s: sym '%s' is missing\n", hdrfn, sym);
	415	return ret;
	416	}
	417
	418	return parse_protostr(protostr, pp) < 0 ? -1 : 0;
	419	}
	420
	421	static void proto_release(struct parsed_proto *pp)
	422	{
	423	int i;
	424
	425	for (i = 0; i < pp->argc; i++) {
	426	if (pp->arg[i].reg != NULL)
	427	free(pp->arg[i].reg);
	428	if (pp->arg[i].fptr != NULL)
	429	free(pp->arg[i].fptr);
	430	}
	431	}