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Fix STDIN and STDOUT

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This commit is contained in:
Lucas Schumacher 2025-04-26 13:09:33 -04:00
parent 0caa6320b1
commit 39e797f937
2 changed files with 9 additions and 8 deletions
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14
buildtest.c
View File

@ -4,7 +4,7 @@
int main() {
// Test the write syscall
intptr_t n = write(STDIO, "Hello\n", 6);
intptr_t n = write(STDOUT, "Hello\n", 6);
if(n != 6) return n;
// Test the fork syscall
@ -19,7 +19,7 @@ int main() {
else {c = nibble + '0';}
msg[i] = c;
}
write(STDIO, msg, 17);
write(STDOUT, msg, 17);
// Child process exits
if(pid == 0) return 0;
@ -28,20 +28,20 @@ int main() {
// Test the read syscall
#define INPUT_BUFFER_LEN 4096
char input_buffer[INPUT_BUFFER_LEN] = {0};
write(STDIO, "Enter some text:", 16);
intptr_t n_read = read(STDIO, input_buffer, INPUT_BUFFER_LEN);
write(STDIO, input_buffer, n_read);
write(STDOUT, "Enter some text:", 16);
intptr_t n_read = read(STDIN, input_buffer, INPUT_BUFFER_LEN);
write(STDOUT, input_buffer, n_read);
// Test the open syscall
int32_t file = open("/proc/version", O_RDONLY);
if (file > 0) {
int i = read(file, input_buffer, INPUT_BUFFER_LEN);
while(i > 0) {
write(STDIO, input_buffer, i);
write(STDOUT, input_buffer, i);
i = read(file, input_buffer, INPUT_BUFFER_LEN);
}
} else {
write(STDIO, "Could not open /proc/version\n", 29);
write(STDOUT, "Could not open /proc/version\n", 29);
}
return 69;
}

3
sys.h
View File

@ -3,7 +3,8 @@
void exit(int8_t status);
#define STDIO 1
#define STDIN 0
#define STDOUT 1
#define STDERR 2
intptr_t write(int32_t fd, const void* buf, intptr_t size);
intptr_t read(int32_t fd, const void* buf, intptr_t size);