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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
/*
* Fuzzer for CMake's string algorithms
*
* Tests string manipulation, escaping, and processing functions.
*/
#include <cstddef>
#include <cstdint>
#include <string>
#include <vector>
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
static constexpr size_t kMaxInputSize = 16 * 1024;
extern "C" int LLVMFuzzerTestOneInput(uint8_t const* data, size_t size)
{
if (size == 0 || size > kMaxInputSize) {
return 0;
}
std::string input(reinterpret_cast<char const*>(data), size);
// Test string manipulation functions
(void)cmTrimWhitespace(input);
(void)cmRemoveQuotes(input);
(void)cmEscapeQuotes(input);
// Test case conversion
(void)cmSystemTools::UpperCase(input);
(void)cmSystemTools::LowerCase(input);
// Test tokenization
std::vector<std::string> tokens = cmTokenize(input, " \t\n\r");
(void)tokens.size();
// Test with different separators if input is large enough
if (size > 4) {
std::string sep(reinterpret_cast<char const*>(data), 2);
std::string str(reinterpret_cast<char const*>(data + 2), size - 2);
std::vector<std::string> parts = cmTokenize(str, sep);
(void)parts.size();
}
// Test join operations
if (!tokens.empty()) {
(void)cmJoin(tokens, ";");
(void)cmJoin(tokens, ",");
}
// Test string contains
if (size > 2) {
std::string haystack(reinterpret_cast<char const*>(data), size / 2);
std::string needle(reinterpret_cast<char const*>(data + size / 2),
size - size / 2);
(void)cmHasPrefix(haystack, needle);
(void)cmHasSuffix(haystack, needle);
}
// Test path operations
(void)cmSystemTools::GetFilenameWithoutExtension(input);
(void)cmSystemTools::GetFilenameExtension(input);
(void)cmSystemTools::GetFilenameName(input);
(void)cmSystemTools::GetFilenameLastExtension(input);
(void)cmSystemTools::GetFilenamePath(input);
// Test path normalization
(void)cmSystemTools::CollapseFullPath(input);
return 0;
}
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