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Rewrite special file handling on Windows

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This change gets GNU grep working. What caused it to not work, is it
wouldn't write to an output file descriptor when its dev/ino equaled
/dev/null's. So now we invent special dev/ino values for these files
This commit is contained in:
Justine Tunney 2023-10-14 01:06:00 -07:00
parent aca2261cda
commit 2db2f40a98
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GPG key ID: BE714B4575D6E328
53 changed files with 485 additions and 299 deletions
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12
libc/runtime/zipos-inode.c
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@ -20,23 +20,15 @@
#include "libc/limits.h"
#include "libc/runtime/zipos.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/zip.internal.h"
static uint64_t __zipos_fnv(const char *s, int len) {
uint64_t hash = 0xcbf29ce484222325;
for (int i = 0; i < len; i++) {
hash *= 0x100000001b3;
hash ^= (unsigned char)s[i];
}
return hash;
}
uint64_t __zipos_inode(struct Zipos *zipos, int64_t cfile, //
const void *name, size_t namelen) {
unassert(cfile >= 0);
if (cfile == ZIPOS_SYNTHETIC_DIRECTORY) {
if (namelen && ((char *)name)[namelen - 1] == '/') --namelen;
cfile = INT64_MIN | __zipos_fnv(name, namelen);
cfile = INT64_MIN | __fnv(name, namelen);
}
return cfile;
}