2001-05-17 15:11:01 +00:00
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// os_unix.C
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// Various OS specific functions
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#include <config.h>
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#include "os.h"
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#include "support/filetools.h"
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2001-07-29 15:34:18 +00:00
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#include "support/lstrings.h"
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2001-05-17 15:11:01 +00:00
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string os::binpath_ = string();
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string os::binname_ = string();
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string os::tmpdir_ = string();
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os::shell_type os::_shell = os::UNIX;
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unsigned long os::cp_ = 0;
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void os::init(int * /*argc*/, char ** argv[]) /* :cp_(0), _shell(os::UNIX) */ {
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static bool initialized = false;
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if (initialized)
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return;
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initialized = true;
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string tmp = *argv[0];
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binname_ = OnlyFilename(tmp);
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tmp = ExpandPath(tmp); // This expands ./ and ~/
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2001-10-08 14:09:06 +00:00
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if (!os::is_absolute_path(tmp)) {
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2001-05-17 15:11:01 +00:00
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string binsearchpath = GetEnvPath("PATH");
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// This will make "src/lyx" work always :-)
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binsearchpath += ";.";
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tmp = FileOpenSearch(binsearchpath, tmp);
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}
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tmp = MakeAbsPath(OnlyPath(tmp));
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// In case we are running in place and compiled with shared libraries
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if (suffixIs(tmp, "/.libs/"))
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2001-10-08 14:09:06 +00:00
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tmp.erase(tmp.length() - 6, string::npos);
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2001-05-17 15:11:01 +00:00
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binpath_ = tmp;
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}
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void os::warn(string /*mesg*/) {
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return;
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}
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string os::current_root() {
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return string("/");
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}
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string::size_type os::common_path(string const &p1, string const &p2) {
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string::size_type i = 0,
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p1_len = p1.length(),
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p2_len = p2.length();
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while (i < p1_len && i < p2_len && p1[i] == p2[i]) ++i;
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if ((i < p1_len && i < p2_len)
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|| (i < p1_len && p1[i] != '/' && i == p2_len)
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|| (i < p2_len && p2[i] != '/' && i == p1_len)) {
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if (i) --i; // here was the last match
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while (i && p1[i] != '/') --i;
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}
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return i;
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}
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string os::slashify_path(string p) {
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return p;
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}
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2001-10-08 14:09:06 +00:00
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string os::external_path(string const &p) {
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2001-05-17 15:11:01 +00:00
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return p;
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}
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2001-10-08 14:09:06 +00:00
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string os::internal_path(string const &p) {
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2001-10-04 09:57:02 +00:00
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return p;
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}
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2001-10-08 14:09:06 +00:00
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bool os::is_absolute_path(string const & p)
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{
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return (!p.empty() && p[0] == '/');
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}
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2002-02-08 14:32:17 +00:00
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// returns a string suitable to be passed to fopen/popen when
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// reading a file
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char const * os::read_mode()
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{
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return "r";
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}
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