29 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| This patch fixes a bug into ostream::operator<<(double) due to the wrong size
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| passed into the __convert_from_v method. The wrong size is then passed to
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| std::snprintf function, that, on uClibc, doens't handle sized 0 buffer.
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| 
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| Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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| 
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| Index: gcc-4.2.3/libstdc++-v3/include/bits/locale_facets.tcc
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| ===================================================================
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| --- gcc-4.2.3.orig/libstdc++-v3/include/bits/locale_facets.tcc	2008-01-05 12:04:43.000000000 +0100
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| +++ gcc-4.2.3/libstdc++-v3/include/bits/locale_facets.tcc	2008-05-21 13:45:51.877288338 +0200
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| @@ -1145,7 +1145,7 @@
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|  	const int __cs_size = __fixed ? __max_exp + __prec + 4
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|  	                              : __max_digits * 2 + __prec;
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|  	char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
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| -	__len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf, 
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| +	__len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, __fbuf, 
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|  				      __prec, __v);
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|  #endif
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|  
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| @@ -1779,7 +1779,7 @@
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|        // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
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|        const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
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|        char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
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| -      int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf", 
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| +      int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, "%.*Lf", 
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|  					0, __units);
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|  #endif
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|        string_type __digits(__len, char_type());
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