xref: /minix3/minix/usr.bin/trace/error.awk (revision b58e161ccb9bcc2008a44da1b8ee01a0a6f2990e)
1521fa314SDavid van Moolenbroek# Derived from libc errlist.awk
2521fa314SDavid van Moolenbroek
3521fa314SDavid van MoolenbroekBEGIN {
4521fa314SDavid van Moolenbroek	printf("/* This file is automatically generated by error.awk */\n\n");
5521fa314SDavid van Moolenbroek	printf("#include \"inc.h\"\n\n");
6521fa314SDavid van Moolenbroek	printf("static const char *const errors[] = {\n");
7521fa314SDavid van Moolenbroek}
8521fa314SDavid van Moolenbroek/^#define/ {
9521fa314SDavid van Moolenbroek	name = $2;
10521fa314SDavid van Moolenbroek	if (name == "ELAST")
11521fa314SDavid van Moolenbroek		next;
12521fa314SDavid van Moolenbroek	number = $3;
13521fa314SDavid van Moolenbroek	if (number == "(_SIGN")
14521fa314SDavid van Moolenbroek		number = $4;
15521fa314SDavid van Moolenbroek	if (number < 0 || number == "EAGAIN")
16521fa314SDavid van Moolenbroek		next;
17521fa314SDavid van Moolenbroek	printf("\t[%s] = \"%s\",\n", name, name);
18521fa314SDavid van Moolenbroek}
19521fa314SDavid van MoolenbroekEND {
20521fa314SDavid van Moolenbroek	printf("};\n\n");
21521fa314SDavid van Moolenbroek	printf("const char *\nget_error_name(int err)\n{\n\n");
22*b58e161cSDavid van Moolenbroek	printf("\tif (err >= 0 && (unsigned int)err < __arraycount(errors) &&\n");
23521fa314SDavid van Moolenbroek	printf("\t    errors[err] != NULL)\n");
24521fa314SDavid van Moolenbroek	printf("\t\treturn errors[err];\n");
25521fa314SDavid van Moolenbroek	printf("\telse\n");
26521fa314SDavid van Moolenbroek	printf("\t\treturn NULL;\n");
27521fa314SDavid van Moolenbroek	printf("}\n");
28521fa314SDavid van Moolenbroek}
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