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FIXED/SECURITY not using \c sprintf() any more ... replaced by e.g. \c snprintf() , which is more secure.

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jkriege2 2024-02-02 16:20:55 +01:00
parent 3e4ba547bd
commit b338606bc1
2 changed files with 5 additions and 4 deletions
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1
doc/dox/whatsnew.dox
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@ -18,6 +18,7 @@ Changes, compared to \ref page_whatsnew_V4_0_0 "v4.0.0" include:
<li>BREAKING: renamed library JKQTCommonStatisticsAndMath to JKQTMath. <i>Note: A CMake-ALIAS-Library JKQTCommonStatisticsAndMath was also added to ease transition for users</i></li>
<li>BREAKING: JKQTFastPlotter class and library are now deprecated and will be removed in future versions!</li>
<li>BREAKING: The QMake build system is deprecated and will not get the same love and atttention as the recommended CMake system. The QMake scripts might be removed in future versions!</li>
<li>FIXED/SECURITY not using \c sprintf() any more ... replaced by e.g. \c snprintf() , which is more secure.</li>
<li>FIXED issue <a href="https://github.com/jkriege2/JKQtPlotter/pull/102">#102: Fix CMake Compile Error: JKQTCommonLib no properly linked in JKQTMath static build</a> (thanks to <a href="https://github.com/Neumann-A">user:Neumann-A</a> for reporting)</li>
<li>CLEANUP (BREAKING) of library structure</li>
<li>NEW: Using precompiled headers in CMake-build to speed up build times</li>

8
lib/jkqtmath/jkqtplinalgtools.h
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@ -125,7 +125,7 @@ inline std::string jkqtplinalgMatrixToString(T* matrix, long L, long C, int widt
for (long c=0; c<C; c++) {
if (c>0) ost<<", ";
char buf[500];
sprintf(buf, format.c_str(), jkqtp_todouble(matrix[jkqtplinalgMatIndex(l,c,C)]));
snprintf(buf, 500, format.c_str(), jkqtp_todouble(matrix[jkqtplinalgMatIndex(l,c,C)]));
ost<<buf;
/*ost.precision(precision);
ost.width(width);
@ -236,14 +236,14 @@ inline std::string jkqtplinalgMatrixToHTMLString(T* matrix, long L, long C, int
jkqtplinalgPM1ToRWBColors(valrel, r,g,b);
}
char buf[500];
sprintf(buf, " bgcolor=\"#%02X%02X%02X\"", int(r), int(g), int(b));
snprintf(buf, 500, " bgcolor=\"#%02X%02X%02X\"", int(r), int(g), int(b));
cols=buf;
}
ost<<"<td align=\"center\" valign=\"middle\" width=\""<<(100.0/double(C))<<"%\" "<<cols<<"><nobr>";
ost.precision(precision);
ost.width(width);
char buf[500];
sprintf(buf, format.c_str(), val);
snprintf(buf, 500, format.c_str(), val);
ost<<prenumber<<buf<<postnumber;
ost<<"</nobr></td>";
}
@ -277,7 +277,7 @@ inline std::string jkqtplinalgMatrixToHTMLString(T* matrix, long L, long C, int
jkqtplinalgPM1ToRWBColors(0.5, rcp, gcp, bcp);
jkqtplinalgPM1ToRWBColors(1, rp, gp, bp);
}
sprintf(buf, "<table %s cellpadding=\"2\" cellspacing=\"0\" border=\"1\"><tr><td><table width=\"100%%\" cellpadding=\"3\" cellspacing=\"0\" border=\"0\"><tr>"
snprintf(buf, 8192, "<table %s cellpadding=\"2\" cellspacing=\"0\" border=\"1\"><tr><td><table width=\"100%%\" cellpadding=\"3\" cellspacing=\"0\" border=\"0\"><tr>"
"<td bgcolor=\"#%02X%02X%02X\" width=\"20%%\"><nobr>&nbsp;%9.3lg&nbsp;</nobr></td>"
"<td bgcolor=\"#%02X%02X%02X\" width=\"20%%\"><nobr>&nbsp;&nbsp;&nbsp;&mdash;&nbsp;&nbsp;&nbsp;</nobr></td>"
"<td bgcolor=\"#%02X%02X%02X\" width=\"20%%\"><nobr>&nbsp;%9.3lg&nbsp;</nobr></td>"