Allow clean compilation of dmg_fp under g++ -Wall -Werror

base/third_party/dmg_fp/gcc_warnings.patch

Index: base/third_party/dmg_fp/gcc_warnings.patch
===================================================================
--- base/third_party/dmg_fp/gcc_warnings.patch	(revision 0)
+++ base/third_party/dmg_fp/gcc_warnings.patch	(revision 0)
@@ -0,0 +1,232 @@
+Index: dtoa.cc
+===================================================================
+--- dtoa.cc	(revision 9233)
++++ dtoa.cc	(working copy)
+@@ -515,7 +515,7 @@
+ #endif
+ 
+ 	ACQUIRE_DTOA_LOCK(0);
+-	if (rv = freelist[k]) {
++	if ((rv = freelist[k])) {
+ 		freelist[k] = rv->next;
+ 		}
+ 	else {
+@@ -794,7 +794,7 @@
+ 	xc0 = c->x;
+ #ifdef ULLong
+ 	for(; xb < xbe; xc0++) {
+-		if (y = *xb++) {
++		if ((y = *xb++)) {
+ 			x = xa;
+ 			xc = xc0;
+ 			carry = 0;
+@@ -876,7 +876,7 @@
+ 	int i;
+ 	static int p05[3] = { 5, 25, 125 };
+ 
+-	if (i = k & 3)
++	if ((i = k & 3))
+ 		b = multadd(b, p05[i-1], 0);
+ 
+ 	if (!(k >>= 2))
+@@ -957,7 +957,7 @@
+ 			z = *x++ >> k1;
+ 			}
+ 			while(x < xe);
+-		if (*x1 = z)
++		if ((*x1 = z))
+ 			++n1;
+ 		}
+ #else
+@@ -1259,12 +1259,12 @@
+ 	z |= Exp_msk11;
+ #endif
+ #else
+-	if (de = (int)(d0 >> Exp_shift))
++	if ((de = (int)(d0 >> Exp_shift)))
+ 		z |= Exp_msk1;
+ #endif
+ #ifdef Pack_32
+-	if (y = d1) {
+-		if (k = lo0bits(&y)) {
++	if ((y = d1)) {
++		if ((k = lo0bits(&y))) {
+ 			x[0] = y | z << 32 - k;
+ 			z >>= k;
+ 			}
+@@ -1452,13 +1452,13 @@
+ #ifdef KR_headers
+ 	(sp, t) char **sp, *t;
+ #else
+-	(CONST char **sp, char *t)
++	(CONST char **sp, CONST char *t)
+ #endif
+ {
+ 	int c, d;
+ 	CONST char *s = *sp;
+ 
+-	while(d = *t++) {
++	while((d = *t++)) {
+ 		if ((c = *++s) >= 'A' && c <= 'Z')
+ 			c += 'a' - 'A';
+ 		if (c != d)
+@@ -1490,7 +1490,7 @@
+ 		++s;
+ 	if (s[1] == '0' && (s[2] == 'x' || s[2] == 'X'))
+ 		s += 2;
+-	while(c = *(CONST unsigned char*)++s) {
++	while((c = *(CONST unsigned char*)++s)) {
+ 		if (c >= '0' && c <= '9')
+ 			c -= '0';
+ 		else if (c >= 'a' && c <= 'f')
+@@ -1518,7 +1518,7 @@
+ 					*sp = s + 1;
+ 					break;
+ 					}
+-				} while(c = *++s);
++				} while((c = *++s));
+ 			break;
+ 			}
+ #endif
+@@ -1852,7 +1852,7 @@
+ 	/* Get starting approximation = rv * 10**e1 */
+ 
+ 	if (e1 > 0) {
+-		if (i = e1 & 15)
++		if ((i = e1 & 15))
+ 			dval(rv) *= tens[i];
+ 		if (e1 &= ~15) {
+ 			if (e1 > DBL_MAX_10_EXP) {
+@@ -1912,7 +1912,7 @@
+ 		}
+ 	else if (e1 < 0) {
+ 		e1 = -e1;
+-		if (i = e1 & 15)
++		if ((i = e1 & 15))
+ 			dval(rv) /= tens[i];
+ 		if (e1 >>= 4) {
+ 			if (e1 >= 1 << n_bigtens)
+@@ -2580,7 +2580,7 @@
+ 
+ 	j = sizeof(ULong);
+ 	for(k = 0;
+-		sizeof(Bigint) - sizeof(ULong) - sizeof(int) + j <= i;
++		sizeof(Bigint) - sizeof(ULong) - sizeof(int) + j <= (size_t)i;
+ 		j <<= 1)
+ 			k++;
+ 	r = (int*)Balloc(k);
+@@ -2596,13 +2596,13 @@
+ #ifdef KR_headers
+ nrv_alloc(s, rve, n) char *s, **rve; int n;
+ #else
+-nrv_alloc(char *s, char **rve, int n)
++nrv_alloc(CONST char *s, char **rve, int n)
+ #endif
+ {
+ 	char *rv, *t;
+ 
+ 	t = rv = rv_alloc(n);
+-	while(*t = *s++) t++;
++	while((*t = *s++)) t++;
+ 	if (rve)
+ 		*rve = t;
+ 	return rv;
+@@ -2707,7 +2707,7 @@
+ 		to hold the suppressed trailing zeros.
+ 	*/
+ 
+-	int bbits, b2, b5, be, dig, i, ieps, ilim, ilim0, ilim1,
++	int bbits, b2, b5, be, dig, i, ieps, ilim = 0, ilim0, ilim1 = 0,
+ 		j, j1, k, k0, k_check, leftright, m2, m5, s2, s5,
+ 		spec_case, try_quick;
+ 	Long L;
+@@ -2792,7 +2792,7 @@
+ #ifdef Sudden_Underflow
+ 	i = (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1));
+ #else
+-	if (i = (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1))) {
++	if ((i = (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1)))) {
+ #endif
+ 		dval(d2) = dval(d);
+ 		word0(d2) &= Frac_mask1;
+@@ -2946,7 +2946,7 @@
+ 					}
+ 			dval(d) /= ds;
+ 			}
+-		else if (j1 = -k) {
++		else if ((j1 = -k)) {
+ 			dval(d) *= tens[j1 & 0xf];
+ 			for(j = j1 >> 4; j; j >>= 1, i++)
+ 				if (j & 1) {
+@@ -3107,7 +3107,7 @@
+ 				Bfree(b);
+ 				b = b1;
+ 				}
+-			if (j = b5 - m5)
++			if ((j = b5 - m5))
+ 				b = pow5mult(b, j);
+ 			}
+ 		else
+@@ -3145,7 +3145,7 @@
+ 	 * can do shifts and ors to compute the numerator for q.
+ 	 */
+ #ifdef Pack_32
+-	if (i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0x1f)
++	if ((i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0x1f))
+ 		i = 32 - i;
+ #else
+ 	if (i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0xf)
+@@ -3322,7 +3322,9 @@
+ 		++*s++;
+ 		}
+ 	else {
++#ifdef Honor_FLT_ROUNDS
+  trimzeros:
++#endif
+ 		while(*--s == '0');
+ 		s++;
+ 		}
+Index: g_fmt.cc
+===================================================================
+--- g_fmt.cc	(revision 9233)
++++ g_fmt.cc	(working copy)
+@@ -46,14 +46,14 @@
+ 	if (sign)
+ 		*b++ = '-';
+ 	if (decpt == 9999) /* Infinity or Nan */ {
+-		while(*b++ = *s++);
++		while((*b++ = *s++));
+ 		goto done0;
+ 		}
+ 	if (decpt <= -4 || decpt > se - s + 5) {
+ 		*b++ = *s++;
+ 		if (*s) {
+ 			*b++ = '.';
+-			while(*b = *s++)
++			while((*b = *s++))
+ 				b++;
+ 			}
+ 		*b++ = 'e';
+@@ -79,10 +79,10 @@
+ 		*b++ = '.';
+ 		for(; decpt < 0; decpt++)
+ 			*b++ = '0';
+-		while(*b++ = *s++);
++		while((*b++ = *s++));
+ 		}
+ 	else {
+-		while(*b = *s++) {
++		while((*b = *s++)) {
+ 			b++;
+ 			if (--decpt == 0 && *s)
+ 				*b++ = '.';
+@@ -93,7 +93,9 @@
+ 		}
+  done0:
+ 	freedtoa(s0);
++#ifdef IGNORE_ZERO_SIGN
+  done:
++#endif
+ 	return b0;
+ 	}
+ 
Property changes on: base/third_party/dmg_fp/gcc_warnings.patch
___________________________________________________________________
Added: svn:eol-style
   + LF