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LibC: Added execlp method and new pathconf setting

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Added execlp method, and _PC_PIPE_BUF setting to pathconf method.
This commit is contained in:
Brandon Scott 2019-11-16 02:35:48 -06:00 • committed by Andreas Kling
parent eb719aa726
commit f999e30afd
3 changed files with 28 additions and 7 deletions
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23
Libraries/LibC/unistd.cpp
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@ -104,6 +104,24 @@ int execl(const char* filename, const char* arg0, ...)
return execve(filename, const_cast<char* const*>(args.data()), environ);
}
int execlp(const char* filename, const char* arg0, ...)
{
Vector<const char*, 16> args;
args.append(arg0);
va_list ap;
va_start(ap, arg0);
for (;;) {
const char* arg = va_arg(ap, const char*);
if (!arg)
break;
args.append(arg);
}
va_end(ap);
args.append(nullptr);
return execvpe(filename, const_cast<char* const*>(args.data()), environ);
}
uid_t getuid()
{
return syscall(SC_getuid);
@ -459,11 +477,12 @@ long fpathconf(int fd, int name)
long pathconf(const char* path, int name)
{
(void)path;
(void)name;
switch (name) {
case _PC_PATH_MAX:
return PATH_MAX;
case _PC_PIPE_BUF:
return PIPE_BUF;
}
ASSERT_NOT_REACHED();
@ -548,7 +567,7 @@ char* getlogin()
return nullptr;
}
int create_thread(void *(*entry)(void*), void* argument)
int create_thread(void* (*entry)(void*), void* argument)
{
int rc = syscall(SC_create_thread, entry, argument);
__RETURN_WITH_ERRNO(rc, rc, -1);