If the execvp(3) checks that the name passed is not the empty string, posix_spawnp(3) doesn't with the file argument.
Is it intended? -- Thierry Laronde <tlaronde +AT+ kergis +dot+ com> http://www.kergis.com/ http://kertex.kergis.com/ Key fingerprint = 0FF7 E906 FBAF FE95 FD89 250D 52B1 AE95 6006 F40C