Check empty argument lists.
Lint fixes (and include <unistd.h>)
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2762f250eb
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@ -57,6 +57,10 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#endif /* !SYSV */
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#ifndef NO_UNISTD
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#include <unistd.h> /* Take this out if it doesn't exist */
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#endif
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#include "allobjects.h"
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#include "modsupport.h"
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@ -397,6 +401,8 @@ posix_uname(self, args)
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extern int uname PROTO((struct utsname *));
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struct utsname u;
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object *v;
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if (!getnoarg(args))
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return NULL;
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if (uname(&u) < 0)
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return posix_error();
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v = newtupleobject(5);
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@ -526,6 +532,8 @@ posix_fork(self, args)
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object *args;
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{
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int pid;
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if (!getnoarg(args))
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return NULL;
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pid = fork();
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if (pid == -1)
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return posix_error();
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@ -549,7 +557,11 @@ posix_getpgrp(self, args)
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{
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if (!getnoarg(args))
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return NULL;
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#ifdef SYSV
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return newintobject((long)getpgrp());
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#else
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return newintobject((long)getpgrp(0));
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#endif
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}
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static object *
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@ -657,7 +669,7 @@ posix_readlink(self, args)
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int n;
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if (!getstrarg(args, &path))
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return NULL;
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n = readlink(path, buf, sizeof buf);
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n = readlink(path, buf, (int) sizeof buf);
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if (n < 0)
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return posix_error();
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return newsizedstringobject(buf, n);
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