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|
use "alloc.use"
use "env.use"
use "errno.use"
use "fmt.use"
use "option.use"
use "strfind.use"
use "strsplit.use"
use "syswrap.use"
pkg std =
const execvp : (cmd : byte[:], args : byte[:][:] -> int64)
const execvpe : (cmd : byte[:], args : byte[:][:], env : byte[:][:] -> int64)
;;
const execvp = {cmd, args
var paths, binpath
var buf : byte[512]
match strfind(cmd, "/")
| `Some _:
-> execv(cmd, args)
| `None:
paths = getpaths()
for p in paths
binpath = bfmt(buf[:], "{}/{}", p, cmd)
execv(binpath, args)
;;
slfree(paths)
;;
-> -1
}
const execvpe = {cmd, args, env
var paths, binpath
var buf : byte[512]
match strfind(cmd, "/")
| `Some _:
-> execve(cmd, args, env)
| `None:
paths = getpaths()
for p in paths
binpath = bfmt(buf[:], "{}/{}", p, cmd)
execve(binpath, args, env)
;;
slfree(paths)
;;
-> -1
}
const getpaths = {
var path
match getenv("PATH")
| `Some p: path = p
| `None: path = "/usr/local/bin:/bin:/usr/bin"
;;
-> strsplit(path, ":")
}
|
