void
shellexec(char **argv, char **envp, const char *path, int idx)
{
char *cmdname;
int e;
if (strchr(argv[0], '/') != NULL) {
tryexec(argv[0], argv, envp);
e = errno;
} else {
e = ENOENT;
while ((cmdname = padvance(&path, argv[0])) != NULL) {
if (--idx < 0 && pathopt == NULL) {
tryexec(cmdname, argv, envp);
if (errno != ENOENT && errno != ENOTDIR)
e = errno;
if (e == ENOEXEC)
break;
}
stunalloc(cmdname);
}
}
/* Map to POSIX errors */
if (e == ENOENT || e == ENOTDIR) {
exerrno = 127;
exerror(EXEXEC, "%s: not found", argv[0]);
} else {
exerrno = 126;
exerror(EXEXEC, "%s: %s", argv[0], strerror(e));
}
}
void
shellexec(char **argv, char **envp, char *path, int index)
{
char *cmdname;
int e;
if (strchr(argv[0], '/') != NULL) {
tryexec(argv[0], argv, envp);
e = errno;
} else {
e = ENOENT;
while ((cmdname = padvance(&path, argv[0])) != NULL) {
if (--index < 0 && pathopt == NULL) {
tryexec(cmdname, argv, envp);
if (errno != ENOENT && errno != ENOTDIR)
e = errno;
}
stunalloc(cmdname);
}
}
/* Map to POSIX errors */
switch (e) {
case EACCES:
exerrno = 126;
break;
case ENOENT:
exerrno = 127;
break;
default:
exerrno = 2;
break;
}
if (e == ENOENT || e == ENOTDIR)
exerror(EXEXEC, "%s: not found", argv[0]);
exerror(EXEXEC, "%s: %s", argv[0], strerror(e));
}
