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Fix bugs and make code tinier

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- Fixed bug where stdio eof wasn't being sticky
- Fixed bug where fseeko() wasn't clearing eof state
- Removed assert() usage from libc favoring _unassert() / _npassert()
This commit is contained in:
Justine Tunney 2022-10-09 22:38:28 -07:00
parent 9b7c8db846
commit d5910e2673
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GPG key ID: BE714B4575D6E328
115 changed files with 510 additions and 290 deletions
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22
libc/mem/tarjan.c
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@ -52,9 +52,9 @@ struct Tarjan {
static bool TarjanPush(struct Tarjan *t, int v) {
int *q;
assert(t->S.i >= 0);
assert(t->S.n >= 0);
assert(0 <= v && v < t->Vn);
_unassert(t->S.i >= 0);
_unassert(t->S.n >= 0);
_unassert(0 <= v && v < t->Vn);
if (t->S.i == t->S.n) {
if ((q = realloc(t->S.p, (t->S.n + (t->S.n >> 1) + 8) * sizeof(*t->S.p)))) {
t->S.p = q;
@ -67,13 +67,13 @@ static bool TarjanPush(struct Tarjan *t, int v) {
}
static int TarjanPop(struct Tarjan *t) {
assert(t->S.i > 0);
_unassert(t->S.i > 0);
return t->S.p[--t->S.i];
}
static bool TarjanConnect(struct Tarjan *t, int v) {
int fs, w, e;
assert(0 <= v && v < t->Vn);
_unassert(0 <= v && v < t->Vn);
t->V[v].index = t->index;
t->V[v].lowlink = t->index;
t->V[v].onstack = true;
@ -135,12 +135,12 @@ int _tarjan(int vertex_count, const int (*edges)[2], int edge_count,
int *out_opt_componentcount) {
int i, rc, v, e;
struct Tarjan *t;
assert(0 <= edge_count && edge_count <= INT_MAX);
assert(0 <= vertex_count && vertex_count <= INT_MAX);
_unassert(0 <= edge_count && edge_count <= INT_MAX);
_unassert(0 <= vertex_count && vertex_count <= INT_MAX);
for (i = 0; i < edge_count; ++i) {
if (i) assert(edges[i - 1][0] <= edges[i][0]);
assert(edges[i][0] < vertex_count);
assert(edges[i][1] < vertex_count);
if (i) _unassert(edges[i - 1][0] <= edges[i][0]);
_unassert(edges[i][0] < vertex_count);
_unassert(edges[i][1] < vertex_count);
}
if (!(t = calloc(1, (sizeof(struct Tarjan) +
sizeof(struct Vertex) * vertex_count)))) {
@ -175,7 +175,7 @@ int _tarjan(int vertex_count, const int (*edges)[2], int edge_count,
if (out_opt_components) {
*out_opt_componentcount = t->Ci;
}
assert(t->Ri == vertex_count);
_unassert(t->Ri == vertex_count);
free(t->S.p);
free(t);
return rc;