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Small clean-up (fully tested).

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5565 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Angus Leeming 2002-10-31 13:53:26 +00:00
parent bd54683932
commit 94ef869a79
2 changed files with 23 additions and 33 deletions
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4
src/support/ChangeLog
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@ -1,3 +1,7 @@
2002-10-31 Angus Leeming <leeming@lyx.org>
* forkedcall.C (generateChild): clean it up further.
2002-10-25 Angus Leeming <leeming@lyx.org>
* forkedcall.[Ch]: split ForkedCall up into a base class ForkedProcess

52
src/support/forkedcall.C
View File

@ -235,53 +235,40 @@ int Forkedcall::startscript(string const & what, SignalTypePtr signal)
// generate child in background
int Forkedcall::generateChild()
{
const int MAX_ARGV = 255;
char *syscmd = 0;
// Split command_ up into a char * array
int const MAX_ARGV = 255;
char *argv[MAX_ARGV];
string childcommand(command_); // copy
bool more = true;
string rest = split(command_, childcommand, ' ');
string line = command_;
int index = 0;
for (; index < MAX_ARGV-1; ++index) {
string word;
line = split(line, word, ' ');
if (word.empty())
break;
int index = 0;
while (more) {
childcommand = ltrim(childcommand);
if (syscmd == 0) {
syscmd = new char[childcommand.length() + 1];
childcommand.copy(syscmd, childcommand.length());
syscmd[childcommand.length()] = '\0';
}
if (!childcommand.empty()) {
char * tmp = new char[childcommand.length() + 1];
childcommand.copy(tmp, childcommand.length());
tmp[childcommand.length()] = '\0';
argv[index++] = tmp;
}
char * tmp = new char[word.length() + 1];
word.copy(tmp, word.length());
tmp[word.length()] = '\0';
// reinit
more = !rest.empty();
if (more)
rest = split(rest, childcommand, ' ');
argv[index] = tmp;
}
argv[index] = 0;
#ifndef __EMX__
pid_t cpid = ::fork();
pid_t const cpid = ::fork();
if (cpid == 0) {
// Child
execvp(syscmd, argv);
execvp(argv[0], argv);
// If something goes wrong, we end up here
string args;
int i = 0;
while (argv[i] != 0)
args += string(" ") + argv[i++];
lyxerr << "execvp of \"" << syscmd << args << "\" failed: "
lyxerr << "execvp of \"" << command_ << "\" failed: "
<< strerror(errno) << endl;
_exit(1);
}
#else
pid_t cpid = spawnvp(P_SESSION|P_DEFAULT|P_MINIMIZE|P_BACKGROUND,
syscmd, argv);
pid_t const cpid = spawnvp(P_SESSION|P_DEFAULT|P_MINIMIZE|P_BACKGROUND,
syscmd, argv);
#endif
if (cpid < 0) {
@ -290,7 +277,6 @@ int Forkedcall::generateChild()
}
// Clean-up.
delete [] syscmd;
for (int i = 0; i < MAX_ARGV; ++i) {
if (argv[i] == 0)
break;