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Plug a hole in pledge()

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Günther Noack points out that O_RDONLY|O_TRUNC will modify a file.
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Justine Tunney 2022-07-24 23:40:49 -07:00
parent 3443039f34
commit e98514cdb7
6 changed files with 275 additions and 167 deletions
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libc/runtime/runtime.h
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@ -48,6 +48,7 @@ void mcount(void);
int _freestack(void *);
unsigned long getauxval(unsigned long);
void *_mapanon(size_t) attributeallocsize((1)) mallocesque;
void *_mapshared(size_t) attributeallocsize((1)) mallocesque;
void *_mapstack(void) returnsaligned((FRAMESIZE)) mallocesque;
int setjmp(jmp_buf) libcesque returnstwice paramsnonnull();
void longjmp(jmp_buf, int) libcesque wontreturn paramsnonnull();