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Support the various stat structures across systems

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This commit is contained in:
Frédéric Mangano 2020-11-25 20:07:23 +01:00
parent 64fc6f8f6d
commit f98208c1a1
3 changed files with 14 additions and 1 deletions
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4
CMakeLists.txt
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@ -26,6 +26,10 @@ include(CheckIncludeFileCXX)
check_include_file_cxx(endian.h HAVE_ENDIAN_H)
check_include_file_cxx(sys/endian.h HAVE_SYS_ENDIAN_H)
include(CheckStructHasMember)
check_struct_has_member("struct stat" st_mtim sys/stat.h HAVE_STAT_ST_MTIM LANGUAGE CXX)
check_struct_has_member("struct stat" st_mtimespec sys/stat.h HAVE_STAT_ST_MTIMESPEC LANGUAGE CXX)
configure_file(src/config.h.in config.h @ONLY)
include_directories(BEFORE src "${CMAKE_BINARY_DIR}" ${OGG_INCLUDE_DIRS} ${Iconv_INCLUDE_DIRS})

2
src/config.h.in
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@ -3,3 +3,5 @@
#cmakedefine HAVE_ENDIAN_H @HAVE_ENDIAN_H@
#cmakedefine HAVE_SYS_ENDIAN_H @HAVE_SYS_ENDIAN_H@
#cmakedefine HAVE_STAT_ST_MTIM @HAVE_STAT_ST_MTIM@
#cmakedefine HAVE_STAT_ST_MTIMESPEC @HAVE_STAT_ST_MTIMESPEC@

9
src/system.cc
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@ -179,6 +179,13 @@ ot::status ot::get_file_timestamp(const char* path, timespec& mtime)
struct stat st;
if (stat(path, &st) == -1)
return {st::standard_error, path + ": stat error: "s + strerror(errno)};
mtime = st.st_mtim; // more precise than st_mtime
#if defined(HAVE_STAT_ST_MTIM)
mtime = st.st_mtim;
#elif defined(HAVE_STAT_ST_MTIMESPEC)
mtime = st.st_mtimespec;
#else
mtime.tv_sec = st.st_mtime;
mtime.tv_nsec = st.st_mtimensec;
#endif
return st::ok;
}