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Allocate the proper memory for formatString. Fix a warning with gcc 7.1

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/root/firefox-gcc-last/toolkit/components/jsoncpp/src/lib_json/json_writer.cpp:139:16: note: using the range [-2147483648, 2147483647] for directive argument
/root/firefox-gcc-last/toolkit/components/jsoncpp/src/lib_json/json_writer.cpp:146:10: note: 'sprintf' output between 5 and 15 bytes into a destination of size 6
   sprintf(formatString, "%%.%dg", precision);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This commit is contained in:
Sylvestre Ledru 2017-06-09 22:41:48 +02:00
parent d7347a2623
commit 7f9cc2705c
1 changed files with 1 additions and 1 deletions
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2
src/lib_json/json_writer.cpp
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@ -142,7 +142,7 @@ JSONCPP_STRING valueToString(double value, bool useSpecialFloats, unsigned int p
char buffer[36];
int len = -1;
char formatString[6];
char formatString[15];
snprintf(formatString, sizeof(formatString), "%%.%dg", precision);
// Print into the buffer. We need not request the alternative representation