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annotate gcc/testsuite/gcc.dg/uninit-3.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* Spurious uninit variable warnings, case 3.
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2 Inspired by cppexp.c (parse_charconst) */
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3 /* { dg-do compile } */
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4 /* { dg-options "-O -Wuninitialized" } */
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5
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6 extern void error (char *);
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7
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8 int
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9 parse_charconst (const char *start, const char *end)
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10 {
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11 int c; /* { dg-bogus "c" "uninitialized variable warning" } */
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12 int nchars, retval;
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13
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14 nchars = 0;
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15 retval = 0;
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16 while (start < end)
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17 {
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18 c = *start++;
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19 if (c == '\'')
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20 break;
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21 nchars++;
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22 retval += c;
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23 retval <<= 8;
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24 }
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25
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26 if (nchars == 0)
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27 return 0;
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28
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29 if (c != '\'')
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30 error ("malformed character constant");
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31
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32 return retval;
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33 }