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Add support for pathconf(2).

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This commit is contained in:
pjd 2008-11-23 19:56:40 +00:00
parent 9367195ae8
commit ad301e0dc0
1 changed files with 57 additions and 1 deletions
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58
tools/regression/fstest/fstest.c
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@ -75,6 +75,7 @@ enum action {
ACTION_TRUNCATE,
ACTION_STAT,
ACTION_LSTAT,
ACTION_PATHCONF
};
#define TYPE_NONE 0x0000
@ -116,6 +117,7 @@ static struct syscall_desc syscalls[] = {
{ "truncate", ACTION_TRUNCATE, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
{ "stat", ACTION_STAT, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
{ "lstat", ACTION_LSTAT, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
{ "pathconf", ACTION_PATHCONF, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
{ NULL, -1, { TYPE_NONE } }
};
@ -209,6 +211,27 @@ static struct flag chflags_flags[] = {
};
#endif
struct name {
int n_name;
char *n_str;
};
static struct name pathconf_names[] = {
#ifdef _PC_LINK_MAX
{ _PC_LINK_MAX, "_PC_LINK_MAX" },
#endif
#ifdef _PC_NAME_MAX
{ _PC_NAME_MAX, "_PC_NAME_MAX" },
#endif
#ifdef _PC_PATH_MAX
{ _PC_PATH_MAX, "_PC_PATH_MAX" },
#endif
#ifdef _PC_SYMLINK_MAX
{ _PC_SYMLINK_MAX, "_PC_SYMLINK_MAX" },
#endif
{ 0, NULL }
};
static const char *err2str(int error);
static void
@ -264,6 +287,18 @@ flags2str(struct flag *tflags, long long flags)
}
#endif
static int
str2name(struct name *names, char *name)
{
unsigned int i;
for (i = 0; names[i].n_str != NULL; i++) {
if (strcmp(names[i].n_str, name) == 0)
return (names[i].n_name);
}
return (-1);
}
static struct syscall_desc *
find_syscall(const char *name)
{
@ -357,7 +392,7 @@ call_syscall(struct syscall_desc *scall, char *argv[])
long long flags;
unsigned int i;
char *endp;
int rval;
int name, rval;
union {
char *str;
long long num;
@ -484,6 +519,27 @@ call_syscall(struct syscall_desc *scall, char *argv[])
return (i);
}
break;
case ACTION_PATHCONF:
{
long lrval;
name = str2name(pathconf_names, STR(1));
if (name == -1) {
fprintf(stderr, "unknown name %s", STR(1));
exit(1);
}
errno = 0;
lrval = pathconf(STR(0), name);
if (lrval == -1 && errno == 0) {
printf("unlimited\n");
return (i);
} else if (lrval >= 0) {
printf("%ld\n", lrval);
return (i);
}
rval = -1;
break;
}
default:
fprintf(stderr, "unsupported syscall\n");
exit(1);