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Code Issues 1 Releases Wiki Activity

Add os/lstat.

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This commit is contained in:
Leah Neukirchen 2020-03-09 17:14:45 +01:00
parent b0d8369534
commit 381dd1ce98
1 changed files with 21 additions and 2 deletions
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23
src/core/os.c
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@ -911,7 +911,7 @@ static const struct OsStatGetter os_stat_getters[] = {
{NULL, NULL}
};
static Janet os_stat(int32_t argc, Janet *argv) {
static Janet os_stat_or_lstat(int do_lstat, int32_t argc, Janet *argv) {
janet_arity(argc, 1, 2);
const char *path = janet_getcstring(argv, 0);
JanetTable *tab = NULL;
@ -930,11 +930,17 @@ static Janet os_stat(int32_t argc, Janet *argv) {
/* Build result */
#ifdef JANET_WINDOWS
(void) do_lstat;
struct _stat st;
int res = _stat(path, &st);
#else
struct stat st;
int res = stat(path, &st);
int res;
if (do_lstat) {
res = lstat(path, &st);
} else {
res = stat(path, &st);
}
#endif
if (-1 == res) {
return janet_wrap_nil();
@ -957,6 +963,14 @@ static Janet os_stat(int32_t argc, Janet *argv) {
}
}
static Janet os_stat(int32_t argc, Janet *argv) {
return os_stat_or_lstat(0, argc, argv);
}
static Janet os_lstat(int32_t argc, Janet *argv) {
return os_stat_or_lstat(1, argc, argv);
}
static Janet os_chmod(int32_t argc, Janet *argv) {
janet_fixarity(argc, 2);
const char *path = janet_getcstring(argv, 0);
@ -1085,6 +1099,11 @@ static const JanetReg os_cfuns[] = {
"\t:changed - timestamp when file last chnaged (permissions changed)\n"
"\t:modified - timestamp when file last modified (content changed)\n")
},
{
"os/lstat", os_lstat,
JDOC("(os/lstat path &opt tab|key)\n\n"
"Like os/stat, but don't follow symlinks.\n")
},
{
"os/chmod", os_chmod,
JDOC("(os/chmod path mode)\n\n"