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Fix issue #291: Usage of unsanitized GLSL compiler errors.

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Compiler errors may contain vsprintf-escape sequences, which is used by
love::Exception. Wrap errors in %s to avoid garbage output.
This commit is contained in:
vrld
2011-09-07 13:52:07 +02:00
parent d5dce6284f
commit 2eb9ee20d5
1 changed files with 6 additions and 7 deletions
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src/modules/graphics/opengl/PixelEffect.cpp
+6 -7
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@@ -80,15 +80,15 @@ namespace opengl
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &strlen);
char *error_str = new char[strlen];
glGetShaderInfoLog(shader, strlen, NULL, error_str);
std::stringstream error_message;
error_message << "Cannot compile shader:" << std::endl << std::string(error_str);
std::string tmp(error_str);
// cleanup before throw
delete[] error_str;
glDeleteShader(shader);
glDeleteProgram(_program);
throw love::Exception(error_message.str().c_str());
// XXX: errorlog may contain escape sequences.
throw love::Exception("Cannot compile shader:\n%s", tmp.c_str());
}
// link fragment shader
@@ -99,13 +99,12 @@ namespace opengl
if (GL_FALSE == link_ok) {
// this should not happen if compiling is ok, but one can never be too careful
// get linker error
std::stringstream error_message;
error_message << "Cannot compile shader:" << std::endl << getWarnings();
std::string tmp(getWarnings());
// cleanup before throw
glDeleteShader(shader);
glDeleteProgram(_program);
throw love::Exception(error_message.str().c_str());
throw love::Exception("Cannot compile shader:\n%s", tmp.c_str());
}
glDeleteShader(shader);