Add convenience fn to compute a file's sha1sum
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@ -106,6 +106,8 @@ LIBARDOUR_API bool matching_unsuffixed_filename_exists_in (const std::string& di
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LIBARDOUR_API uint32_t how_many_dsp_threads ();
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LIBARDOUR_API std::string compute_sha1_of_file (std::string path);
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template<typename T> boost::shared_ptr<ControlList> route_list_to_control_list (boost::shared_ptr<RouteList> rl, boost::shared_ptr<T> (Stripable::*get_control)() const) {
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boost::shared_ptr<ControlList> cl (new ControlList);
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if (!rl) { return cl; }
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@ -52,6 +52,7 @@
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#include "pbd/stacktrace.h"
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#include "pbd/xml++.h"
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#include "pbd/basename.h"
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#include "pbd/scoped_file_descriptor.h"
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#include "pbd/strsplit.h"
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#include "pbd/replace_all.h"
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@ -719,6 +720,29 @@ ARDOUR::slider_position_to_gain_with_max (double g, double max_gain)
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return position_to_gain (g) * max_gain / 2.0;
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}
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#include "sha1.c"
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std::string
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ARDOUR::compute_sha1_of_file (std::string path)
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{
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PBD::ScopedFileDescriptor fd (g_open (path.c_str(), O_RDONLY, 0444));
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if (fd < 0) {
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return std::string ();
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}
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char buf[4096];
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ssize_t n_read;
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char hash[41];
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Sha1Digest s;
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sha1_init (&s);
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while ((n_read = ::read(fd, buf, sizeof(buf))) > 0) {
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sha1_write (&s, (const uint8_t*) buf, n_read);
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}
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sha1_result_hash (&s, hash);
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return std::string (hash);
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}
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extern "C" {
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void c_stacktrace() { stacktrace (cerr); }
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}
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