87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/** \ingroup rpmio
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* \file rpmio/strcasecmp.c
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*/
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#include "system.h"
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#include "rpmio.h"
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#include "debug.h"
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static
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const unsigned char tolower_map[] = {
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0000, 0001, 0002, 0003, 0004, 0005, 0006, 0007,
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0010, 0011, 0012, 0013, 0014, 0015, 0016, 0017,
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0020, 0021, 0022, 0023, 0024, 0025, 0026, 0027,
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0030, 0031, 0032, 0033, 0034, 0035, 0036, 0037,
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0040, 0041, 0042, 0043, 0044, 0045, 0046, 0047,
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0050, 0051, 0052, 0053, 0054, 0055, 0056, 0057,
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0060, 0061, 0062, 0063, 0064, 0065, 0066, 0067,
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0070, 0071, 0072, 0073, 0074, 0075, 0076, 0077,
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0100, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
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0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157,
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0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167,
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0170, 0171, 0172, 0133, 0134, 0135, 0136, 0137,
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0140, 0141, 0142, 0143, 0144, 0145, 0146, 0147,
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0150, 0151, 0152, 0153, 0154, 0155, 0156, 0157,
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0160, 0161, 0162, 0163, 0164, 0165, 0166, 0167,
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0170, 0171, 0172, 0173, 0174, 0175, 0176, 0177,
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0200, 0201, 0202, 0203, 0204, 0205, 0206, 0207,
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0210, 0211, 0212, 0213, 0214, 0215, 0216, 0217,
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0220, 0221, 0222, 0223, 0224, 0225, 0226, 0227,
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0230, 0231, 0232, 0233, 0234, 0235, 0236, 0237,
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0240, 0241, 0242, 0243, 0244, 0245, 0246, 0247,
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0250, 0251, 0252, 0253, 0254, 0255, 0256, 0257,
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0260, 0261, 0262, 0263, 0264, 0265, 0266, 0267,
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0270, 0271, 0272, 0273, 0274, 0275, 0276, 0277,
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0300, 0301, 0302, 0303, 0304, 0305, 0306, 0307,
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0310, 0311, 0312, 0313, 0314, 0315, 0316, 0317,
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0320, 0321, 0322, 0323, 0324, 0325, 0326, 0327,
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0330, 0331, 0332, 0333, 0334, 0335, 0336, 0337,
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0340, 0341, 0342, 0343, 0344, 0345, 0346, 0347,
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0350, 0351, 0352, 0353, 0354, 0355, 0356, 0357,
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0360, 0361, 0362, 0363, 0364, 0365, 0366, 0367,
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0370, 0371, 0372, 0373, 0374, 0375, 0376, 0377,
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};
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#define xtolower(c) tolower_map[(unsigned char)(c)]
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int xstrcasecmp(const char * s1, const char * s2)
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{
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const char * p1 = s1;
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const char * p2 = s2;
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char c1, c2;
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if (p1 == p2)
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return 0;
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do
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{
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c1 = xtolower (*p1++);
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c2 = xtolower (*p2++);
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if (c1 == '\0')
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break;
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}
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while (c1 == c2);
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return (int)(c1 - c2);
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}
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int xstrncasecmp(const char *s1, const char *s2, size_t n)
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{
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const char * p1 = s1;
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const char * p2 = s2;
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char c1, c2;
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if (p1 == p2 || n == 0)
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return 0;
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do
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{
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c1 = xtolower (*p1++);
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c2 = xtolower (*p2++);
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if (c1 == '\0' || c1 != c2)
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break;
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} while (--n > 0);
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return (int)(c1 - c2);
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}
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