Mercurial > cpython-lru_cache-weakref

annotate Python/pystrcmp.c @ 62374:2cc09f06950b 3.1

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Merged revisions 82043 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r82043 | mark.dickinson | 2010-06-17 13:33:22 +0100 (Thu, 17 Jun 2010) | 6 lines Issue #9011: Remove buggy and unnecessary ST->AST compilation code dealing with unary minus applied to a constant. The removed code was mutating the ST, causing a second compilation to fail. (The peephole optimizer already takes care of optimizing this case, so there's no lost optimization opportunity here.) ........
author Mark Dickinson <dickinsm@gmail.com>
date Thu, 17 Jun 2010 12:37:17 +0000
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children
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1 /* Cross platform case insensitive string compare functions
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2 */
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3
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4 #include "Python.h"
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5
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6 int
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7 PyOS_mystrnicmp(const char *s1, const char *s2, Py_ssize_t size)
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8 {
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9 if (size == 0)
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10 return 0;
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11 while ((--size > 0) &&
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12 (tolower((unsigned)*s1) == tolower((unsigned)*s2))) {
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13 if (!*s1++ || !*s2++)
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14 break;
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15 }
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16 return tolower((unsigned)*s1) - tolower((unsigned)*s2);
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17 }
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18
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19 int
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20 PyOS_mystricmp(const char *s1, const char *s2)
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21 {
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22 while (*s1 && (tolower((unsigned)*s1++) == tolower((unsigned)*s2++))) {
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23 ;
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24 }
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25 return (tolower((unsigned)*s1) - tolower((unsigned)*s2));
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26 }