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More work towards getting bash to build.

Implemented some syscalls: dup(), dup2(), getdtablesize().
FileHandle is now a retainable, since that's needed for dup()'ed fd's.
I didn't really test any of this beyond a basic smoke check.
This commit is contained in:
Andreas Kling 2018-11-05 19:01:22 +01:00
parent 82f84bab11
commit 9f2b9c82bf
17 changed files with 114 additions and 23 deletions

View file

@ -193,6 +193,17 @@ FILE* fopen(const char* pathname, const char* mode)
return fp;
}
FILE* fdopen(int fd, const char* mode)
{
assert(!strcmp(mode, "r") || !strcmp(mode, "rb"));
if (fd < 0)
return nullptr;
auto* fp = (FILE*)malloc(sizeof(FILE));
fp->fd = fd;
fp->eof = false;
return fp;
}
int fclose(FILE* stream)
{
int rc = close(stream->fd);