integrate dietlibc/stdio per default for cdrom and disk only installs

1 files changed, 59 insertions, 0 deletions

diff --git a/mdk-stage1/dietlibc/lib/ttyname.c b/mdk-stage1/dietlibc/lib/ttyname.c
new file mode 100644
index 000000000..a6b479088
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/ttyname.c
@@ -0,0 +1,59 @@
+#include "dietfeatures.h"
+#include <unistd.h>
+#include <sys/stat.h>
+
+#ifdef __linux__
+
+extern int __ltostr(char *s, int size, unsigned long i, int base, char UpCase);
+
+char *ttyname(int fd) {
+#ifdef SLASH_PROC_OK
+  char ibuf[20];
+  static char obuf[20];
+  strcpy(ibuf,"/proc/self/fd/");
+  ibuf[__ltostr(ibuf+14,6,fd,10,0)+14]=0;
+  if (readlink(ibuf,obuf,sizeof(obuf)-1)<0) return 0;
+  return obuf;
+#else
+  static char buf[20]="/dev/tty";
+  struct stat s;
+  char *c=buf+8;
+  int n;
+  if (fstat(fd,&s)) return 0;
+  if (S_ISCHR(s.st_mode)) {
+    n=minor(s.st_rdev);
+    switch (major(s.st_rdev)) {
+    case 4:
+      buf[5]='t'; buf[7]='y';
+      if (n>63) {
+	n-=64;
+	*c='S';
+	++c;
+      }
+num:
+      c[__ltostr(c,6,n,10,0)]=0;
+      break;
+    case 2:
+      buf[5]='p'; buf[7]='y';
+      buf[8]='p'-(n>>4);
+      buf[9]=n%4+'0';
+      if (buf[9]>'9') *c+='a'-'0';
+      buf[10]=0;
+    case 136:
+    case 137:
+    case 138:
+    case 139:
+      buf[5]='p'; buf[7]='s';
+      n+=(major(s.st_rdev)-136)<<8;
+      *c='/'; ++c;
+      goto num;
+    default:
+      return 0;
+    }
+    return buf;
+  }
+  return 0;
+#endif
+}
+
+#endif