annotate Python/pystrcmp.c @ 86823:17d730d37b2f

Issue #19410: Put back in special-casing of '' for importlib.machinery.FileFinder. While originally moved to stop special-casing '' as PathFinder farther up the typical call chain now uses the cwd in the instance of '', it was deemed an unnecessary risk to breaking subclasses of FileFinder to take the special-casing out.
author Brett Cannon <brett@python.org>
date Fri, 01 Nov 2013 10:37:57 -0400
parents fd25030223b0
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 }