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Kernel/LibC: opening standard files is done in libc

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Bananymous
2023-05-29 20:21:19 +03:00
parent 2a34391b71
commit 7151bb86a8
6 changed files with 33 additions and 24 deletions
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11
libc/stdio.cpp
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@@ -27,6 +27,15 @@ FILE* stdin = &s_files[0];
FILE* stdout = &s_files[1];
FILE* stderr = &s_files[2];
extern "C" void _init_stdio()
{
char tty[L_ctermid];
ctermid(tty);
if (open(tty, O_RDONLY) != 0) _exit(1);
if (open(tty, O_WRONLY) != 1) _exit(1);
if (open(tty, O_WRONLY) != 2) _exit(1);
}
void clearerr(FILE* file)
{
file->eof = false;
@@ -155,7 +164,7 @@ FILE* fopen(const char* pathname, const char* mode)
uint8_t flags = 0;
if (mode[0] == 'r')
flags |= O_RDONLY;
else if (mode[0] == 'b')
else if (mode[0] == 'w')
flags |= O_WRONLY | O_CREAT | O_TRUNC;
else if (mode[0] == 'a')
flags |= O_WRONLY | O_CREAT | O_APPEND;