1 files changed, 75 insertions, 0 deletions
diff --git a/libc/error/sys_errlist.c b/libc/error/sys_errlist.c
new file mode 100644
index 0000000..1d9e65b
--- /dev/null
+++ b/libc/error/sys_errlist.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 1996 Robert de Bath <robert@debath.thenet.co.uk>
+ * This file is part of the Linux-8086 C library and is distributed
+ * under the GNU Library General Public License.
+ */
+
+/* This is a flash way of auto-initing the error array from an external file
+ * I wouldn't be surprised tho if it's a lot better just to hard code the
+ * error messages into the array.
+ *
+ * Of course the best of all is to use strerror().
+ */
+
+#ifdef __AS386_16__
+#define NR_ERRORS	128
+
+extern char **__sys_errlist;
+extern int __sys_nerr;
+
+char *sys_errlist[NR_ERRORS];
+int sys_nerr = NR_ERRORS;
+
+#asm
+  loc	1		! Make sure the pointer is in the correct segment
+auto_func:		! Label for bcc -M to work.
+  .word	_init_vars	! Pointer to the autorun function
+  .word no_op		! Space filler cause segs are padded to 4 bytes.
+  .text			! So the function after is also in the correct seg.
+#endasm
+
+static void init_vars()
+{
+   char inbuf[256];
+   char errbuf[80];
+   int i, cc, fd, err, len, bufoff=0;
+   char * ptr;
+
+   fd = open("/usr/lib/liberror.txt", 0);
+   if( fd < 0 ) return;
+
+   for(i=0; i<NR_ERRORS; i++) sys_errlist[i] = "Unknown error";
+
+   while( (cc=read(fd, inbuf, sizeof(inbuf))) > 0 )
+   {
+      for(i=0; i<cc; i++)
+      {
+         if( inbuf[i] == '\n' )
+	 {
+	    errbuf[bufoff] = '\0';
+	    err = atoi(errbuf);
+	    ptr = strchr(errbuf, ' ');
+	    if( ptr && err > 0 && err < NR_ERRORS )
+	    {
+	       while(*ptr == ' ') ptr++;
+	       len = strlen(ptr)+1;
+	       sys_errlist[err] = (void*)sbrk(len);
+	       if( (int)sys_errlist[err] == -1 )
+	       {
+	          sys_errlist[err] == "";
+		  break;
+	       }
+	       memcpy(sys_errlist[err], ptr, len);
+	    }
+	    bufoff = 0;
+	 }
+	 else if( bufoff < sizeof(errbuf)-1 )
+	    errbuf[bufoff++] = inbuf[i];
+      }
+   }
+   close(fd);
+
+   __sys_errlist = sys_errlist;
+   __sys_nerr = sys_nerr = NR_ERRORS;
+}
+
+#endif /* __AS386_16__ */