Dogcows Code - chaz/openbox/blob - src/util.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef    HAVE_CONFIG_H
   4 #  include "../config.h"
   5 #endif // HAVE_CONFIG_H
   6
   7 extern "C" {
   8 #include <X11/Xatom.h>
   9
  10 #ifdef HAVE_STRING_H
  11 #include <string.h>
  12 #endif
  13
  14 #ifdef HAVE_STDLIB_H
  15 #include <stdlib.h>
  16 #endif
  17
  18 #ifdef HAVE_UNISTD_H
  19 #include <unistd.h>
  20 #endif // HAVE_UNISTD_H
  21
  22 #if defined(HAVE_PROCESS_H) && defined(__EMX__)
  23 #  include <process.h>
  24 #endif //   HAVE_PROCESS_H             __EMX__
  25
  26 #include <assert.h>
  27 }
  28
  29 #include <algorithm>
  30
  31 #include "util.hh"
  32
  33 using std::string;
  34
  35 namespace ob {
  36
  37 string expandTilde(const string& s) {
  38   if (s[0] != '~') return s;
  39
  40   const char* const home = getenv("HOME");
  41   if (home == NULL) return s;
  42
  43   return string(home + s.substr(s.find('/')));
  44 }
  45
  46
  47 void bexec(const string& command, const string& displaystring) {
  48 #ifndef    __EMX__
  49   if (! fork()) {
  50     setsid();
  51     int ret = putenv(const_cast<char *>(displaystring.c_str()));
  52     assert(ret != -1);
  53     ret = execl("/bin/sh", "/bin/sh", "-c", command.c_str(), NULL);
  54     exit(ret);
  55   }
  56 #else //   __EMX__
  57   spawnlp(P_NOWAIT, "cmd.exe", "cmd.exe", "/c", command.c_str(), NULL);
  58 #endif // !__EMX__
  59 }
  60
  61
  62 string textPropertyToString(Display *display, XTextProperty& text_prop) {
  63   string ret;
  64
  65   if (text_prop.value && text_prop.nitems > 0) {
  66     if (text_prop.encoding == XA_STRING) {
  67       ret = (char *) text_prop.value;
  68     } else {
  69       text_prop.nitems = strlen((char *) text_prop.value);
  70
  71       char **list;
  72       int num;
  73       if (XmbTextPropertyToTextList(display, &text_prop,
  74                                     &list, &num) == Success &&
  75           num > 0 && *list) {
  76         ret = *list;
  77         XFreeStringList(list);
  78       }
  79     }
  80   }
  81
  82   return ret;
  83 }
  84
  85
  86 timeval normalizeTimeval(const timeval &tm) {
  87   timeval ret = tm;
  88
  89   while (ret.tv_usec < 0) {
  90     if (ret.tv_sec > 0) {
  91       --ret.tv_sec;
  92       ret.tv_usec += 1000000;
  93     } else {
  94       ret.tv_usec = 0;
  95     }
  96   }
  97
  98   if (ret.tv_usec >= 1000000) {
  99     ret.tv_sec += ret.tv_usec / 1000000;
 100     ret.tv_usec %= 1000000;
 101   }
 102
 103   if (ret.tv_sec < 0) ret.tv_sec = 0;
 104
 105   return ret;
 106 }
 107
 108
 109 string itostring(unsigned long i) {
 110   if (i == 0)
 111     return string("0");
 112
 113   string tmp;
 114   for (; i > 0; i /= 10)
 115     tmp.insert(tmp.begin(), "0123456789"[i%10]);
 116   return tmp;
 117 }
 118
 119
 120 string itostring(long i) {
 121   std::string tmp = itostring( (unsigned long) std::abs(i));
 122   if (i < 0)
 123     tmp.insert(tmp.begin(), '-');
 124   return tmp;
 125 }
 126
 127 }
 128
 129 #ifndef   HAVE_BASENAME
 130 string basename (const string& path) {
 131   string::size_type slash = path.rfind('/');
 132   if (slash == string::npos)
 133     return path;
 134   return path.substr(slash+1);
 135 }
 136 #endif // HAVE_BASENAME
 137