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Fix issues with stdio needed for Lua

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See #61
This commit is contained in:
Justine Tunney 2021-03-06 16:06:15 -08:00
parent c3ed8d6c7f
commit d769df3482
17 changed files with 102 additions and 155 deletions
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9
libc/stdio/fseek.c
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@ -35,8 +35,7 @@
* @returns new offset or -1 on error
*/
long fseek(FILE *f, long offset, int whence) {
int skew;
int64_t newpos;
int64_t pos;
if (f->fd != -1) {
if (whence == SEEK_CUR && f->beg < f->end) {
offset -= f->end - f->beg;
@ -44,17 +43,17 @@ long fseek(FILE *f, long offset, int whence) {
if (f->beg && !f->end) {
f->writer(f);
}
if ((newpos = lseek(f->fd, offset, whence)) != -1) {
if (lseek(f->fd, offset, whence) != -1) {
f->state = 0;
f->beg = 0;
f->end = 0;
return newpos;
return 0;
} else {
f->state = errno == ESPIPE ? EBADF : errno;
return -1;
}
} else {
f->beg = offset % f->size;
f->beg = (offset & 0xffffffff) % f->size;
return -1;
}
}