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author | Jay Berkenbilt <jberkenbilt@users.noreply.github.com> | 2023-03-18 18:59:47 +0100 |
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committer | GitHub <noreply@github.com> | 2023-03-18 18:59:47 +0100 |
commit | a2c7471e66d87751312cd10dba4905307202b56f (patch) | |
tree | b4ae927ef1dea72cb6555de5bc71df09da66bf0a /libqpdf/QUtil.cc | |
parent | 84e29026f5ac9bb63180da92944fd8aa1cd0e8d4 (diff) | |
parent | cfcceff6aa921c45c2a3f0fa7a486ed9f02ccc4a (diff) | |
download | qpdf-a2c7471e66d87751312cd10dba4905307202b56f.tar.zst |
Merge pull request #920 from m-holger/fixqdf_rl
Refactor QdfFixer::processLines
Diffstat (limited to 'libqpdf/QUtil.cc')
-rw-r--r-- | libqpdf/QUtil.cc | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libqpdf/QUtil.cc b/libqpdf/QUtil.cc index 7f23bd03..bae067b6 100644 --- a/libqpdf/QUtil.cc +++ b/libqpdf/QUtil.cc @@ -1243,6 +1243,37 @@ QUtil::read_file_into_memory( } } +std::string +QUtil::read_file_into_string(char const* filename) +{ + FILE* f = safe_fopen(filename, "rb"); + FileCloser fc(f); + return read_file_into_string(f, filename); +} + +std::string +QUtil::read_file_into_string(FILE* f, std::string_view filename) +{ + fseek(f, 0, SEEK_END); + auto size = QIntC::to_size(QUtil::tell(f)); + fseek(f, 0, SEEK_SET); + std::string result(size, '\0'); + if (auto read = fread(result.data(), 1, size, f); read != size) { + if (ferror(f)) { + throw std::runtime_error( + std::string("failure reading file ") + std::string(filename) + + " into memory: read " + uint_to_string(read) + "; wanted " + + uint_to_string(size)); + } else { + throw std::runtime_error( + std::string("premature eof reading file ") + + std::string(filename) + " into memory: read " + + uint_to_string(read) + "; wanted " + uint_to_string(size)); + } + } + return result; +} + static bool read_char_from_FILE(char& ch, FILE* f) { |