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Rewrite ZipOS

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This reduces the virtual memory usage of Emacs for me by 30%. We now
have a simpler implementation that uses read(), rather mmap()ing the
whole executable.
This commit is contained in:
Justine Tunney 2023-10-03 07:27:25 -07:00
parent ff77f2a6af
commit b01282e23e
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GPG key ID: BE714B4575D6E328
21 changed files with 408 additions and 421 deletions
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2
libc/runtime/zipos-stat.c
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@ -27,7 +27,7 @@
* @asyncsignalsafe
*/
int __zipos_stat(struct ZiposUri *name, struct stat *st) {
ssize_t cf;
int cf;
struct Zipos *zipos;
if (!(zipos = __zipos_get())) return enoexec();
if ((cf = __zipos_find(zipos, name)) == -1) return -1;