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author | Roland Reichwein <mail@reichwein.it> | 2023-01-04 16:14:49 +0100 |
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committer | Roland Reichwein <mail@reichwein.it> | 2023-01-04 16:14:49 +0100 |
commit | bf9ada75b941b40f30dfb25b063e064be062b7d8 (patch) | |
tree | 80ca01f69e53dc3c078f2cb6169cfb1a2001616f | |
parent | 5c330068e75946286e8e0d3dc0bd381e419074a9 (diff) |
Support reading from /proc
-rw-r--r-- | file.cpp | 8 | ||||
-rw-r--r-- | tests/test-file.cpp | 3 |
2 files changed, 10 insertions, 1 deletions
@@ -8,10 +8,16 @@ using namespace std::string_literals; std::string Reichwein::File::getFile(const fs::path& filename) { - std::ifstream file(filename.string(), std::ios::in | std::ios::binary | std::ios::ate); + std::ifstream file(filename.string(), std::ios::in | std::ios::binary); if (file.is_open()) { + file.seekg(0, std::ios::end); std::ifstream::pos_type fileSize = file.tellg(); + if (fileSize < 0) { // on pseudo-files (e.g. /proc/*), this doesn't work. Use a slower workaround: + std::stringstream buffer; + buffer << file.rdbuf(); + return buffer.str(); + } file.seekg(0, std::ios::beg); std::string bytes(fileSize, ' '); diff --git a/tests/test-file.cpp b/tests/test-file.cpp new file mode 100644 index 0000000..13d0ded --- /dev/null +++ b/tests/test-file.cpp @@ -0,0 +1,3 @@ +getFile + +getFile /proc |