46 lines
827 B
C
46 lines
827 B
C
/*
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* This test program prints errno messages to allow for portable
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* verification of error messages.
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*
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* Copyright (C) 2019 Patrick Steinhardt <ps@pks.im
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*
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* This file may be redistributed under the terms of the GNU Public
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* License.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define E(x) { #x, x }
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static struct {
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const char *str;
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int error;
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} errors[] = {
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E(ENOENT),
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E(ENOTTY),
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E(EILSEQ),
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E(EINVAL),
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};
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int main(int argc, const char *argv[])
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{
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size_t i;
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if (argc != 2) {
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fprintf(stderr, "USAGE: %s <errno>\n", argv[0]);
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return -1;
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}
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for (i = 0; i < sizeof(errors)/sizeof(*errors); i++) {
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if (strcmp(errors[i].str, argv[1]) != 0)
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continue;
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puts(strerror(errors[i].error));
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return 0;
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}
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fprintf(stderr, "Invalid errno: %s\n", argv[1]);
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return -1;
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}
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