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M1 loader uses realpath

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Jōshin 2023-12-14 20:11:10 -05:00
parent 2b2a38b5ae
commit 91a70f6749
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1 changed files with 10 additions and 6 deletions
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16
ape/ape-m1.c
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@ -316,17 +316,21 @@ __attribute__((__noreturn__)) static void Pexit(const char *c, int failed,
}
static char AccessCommand(struct PathSearcher *ps, unsigned long pathlen) {
if (!pathlen && *ps->name != '/') {
if (!getcwd(ps->path, sizeof(ps->path) - 1 - ps->namelen)) {
Pexit("getcwd", -errno, "failed");
}
pathlen = strlen(ps->path);
} else if (pathlen + 1 + ps->namelen + 1 > sizeof(ps->path)) {
char buf[PATH_MAX];
size_t n;
if (pathlen + 1 + ps->namelen + 1 > sizeof(ps->path)) {
return 0;
}
if (pathlen && ps->path[pathlen - 1] != '/') ps->path[pathlen++] = '/';
memmove(ps->path + pathlen, ps->name, ps->namelen);
ps->path[pathlen + ps->namelen] = 0;
if (!realpath(ps->path, buf)) {
Pexit(ps->path, -errno, "realpath");
}
if ((n = strlen(buf)) >= sizeof(ps->path)) {
Pexit(buf, 0, "too long");
}
memcpy(ps->path, buf, n + 1);
if (!access(ps->path, X_OK)) {
if (ps->indirect) {
ps->namelen -= 4;