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46 lines
912 B
C
46 lines
912 B
C
/* A small test for atoi. Assumes twos complement */
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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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#include <limits.h>
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#include <errno.h>
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#define outfile stderr
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static unsigned int Failures = 0;
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static void CheckAtoi (const char* Str, int Val)
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{
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int Res = atoi (Str);
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if (Res != Val) {
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fprintf (outfile, "atoi error in \"%s\":\n"
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" result = %d, should be %d\n", Str, Res, Val);
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++Failures;
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}
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}
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int main (void)
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{
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CheckAtoi ("\t +0A", 0);
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CheckAtoi ("\t -0.123", 0);
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CheckAtoi (" -32 ", -32);
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CheckAtoi (" +32 ", 32);
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CheckAtoi ("0377", 377);
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CheckAtoi (" 0377 ", 377);
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CheckAtoi (" +0377 ", 377);
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CheckAtoi (" -0377 ", -377);
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CheckAtoi ("0x7FFF", 0);
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CheckAtoi (" +0x7FFF", 0);
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CheckAtoi (" -0x7FFF", 0);
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fprintf (outfile, "Failures: %u\n", Failures);
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return (Failures != 0);
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}
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