29 lines
710 B
Awk
29 lines
710 B
Awk
# Derived from libc errlist.awk
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BEGIN {
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printf("/* This file is automatically generated by error.awk */\n\n");
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printf("#include \"inc.h\"\n\n");
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printf("static const char *const errors[] = {\n");
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}
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/^#define/ {
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name = $2;
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if (name == "ELAST")
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next;
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number = $3;
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if (number == "(_SIGN")
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number = $4;
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if (number < 0 || number == "EAGAIN")
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next;
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printf("\t[%s] = \"%s\",\n", name, name);
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}
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END {
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printf("};\n\n");
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printf("const char *\nget_error_name(int err)\n{\n\n");
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printf("\tif (err >= 0 && err < sizeof(errors) / sizeof(errors[0]) &&\n");
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printf("\t errors[err] != NULL)\n");
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printf("\t\treturn errors[err];\n");
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printf("\telse\n");
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printf("\t\treturn NULL;\n");
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printf("}\n");
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}
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