minix/usr.bin/trace/error.awk

   1 # Derived from libc errlist.awk
   2
   3 BEGIN {
   4         printf("/* This file is automatically generated by error.awk */\n\n");
   5         printf("#include \"inc.h\"\n\n");
   6         printf("static const char *const errors[] = {\n");
   7 }
   8 /^#define/ {
   9         name = $2;
  10         if (name == "ELAST")
  11                 next;
  12         number = $3;
  13         if (number == "(_SIGN")
  14                 number = $4;
  15         if (number < 0 || number == "EAGAIN")
  16                 next;
  17         printf("\t[%s] = \"%s\",\n", name, name);
  18 }
  19 END {
  20         printf("};\n\n");
  21         printf("const char *\nget_error_name(int err)\n{\n\n");
  22         printf("\tif (err >= 0 && (unsigned int)err < __arraycount(errors) &&\n");
  23         printf("\t    errors[err] != NULL)\n");
  24         printf("\t\treturn errors[err];\n");
  25         printf("\telse\n");
  26         printf("\t\treturn NULL;\n");
  27         printf("}\n");
  28 }