libc

commit edd48c2ebee2920dc577f72fc5cbe493accf2c3a
parent 80fbc61891a63b385eabf6d73085d363a33d439b
Author: evenfri <evenfri@noreply.codeberg.org>
Date:   Thu, 23 Jul 2026 20:08:41 +0200

update: example (#2)

Co-authored-by: evenfri <evenfri256@gmail.com>
Reviewed-on: https://codeberg.org/evenfri/libc/pulls/2

Diffstat:
M
example/main.c
 | 
20
+++++++++++++++++---
M
example/mkfile
 | 
3
++-

2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/example/main.c b/example/main.c
@@ -1,7 +1,21 @@
 #include <libc.h>
 
-int main(int argc, char *argv[], char *envp[]) {
-  char *msg = "Hello world, with my libc!\n";
-  write(1, msg, strlen(msg));
+int main(void) {
+  char buf[128];
+  ssize_t n;
+  int fd;
+
+  fd = open("/etc/hostname", o_rdonly, 0);
+  if (fd < 0) {
+    write(stderr, "err: failed to open file\n", 25);
+    return 1;
+  }
+
+  n = read(fd, buf, sizeof(buf));
+  if (n > 0) {
+    write(stdout, buf, n);
+  }
+
+  close(fd);
   return 0;
 }
diff --git a/example/mkfile b/example/mkfile
@@ -1,7 +1,8 @@
 <$LPLAN9/src/mkhdr
 
+cc = ../wrapers/cc
 ld = ld
-cflags = -nostdlib -ffreestanding -I..
+cflags = -I..
 lib = ../libc.a
 ofiles = main.$o
 targ = app