3.2
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[b7d3cc34] | 1 | #include <aim.h> |
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| 2 | #include <ctype.h> |
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| 3 | |
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| 4 | /* |
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| 5 | * int snlen(const char *) |
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| 6 | * |
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| 7 | * This takes a screen name and returns its length without |
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| 8 | * spaces. If there are no spaces in the SN, then the |
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| 9 | * return is equal to that of strlen(). |
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| 10 | * |
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| 11 | */ |
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| 12 | static int aim_snlen(const char *sn) |
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| 13 | { |
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| 14 | int i = 0; |
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| 15 | const char *curPtr = NULL; |
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| 16 | |
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| 17 | if (!sn) |
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| 18 | return 0; |
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| 19 | |
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| 20 | curPtr = sn; |
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[5d6c178] | 21 | while ( (*curPtr) != (char) '\0') { |
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[b7d3cc34] | 22 | if ((*curPtr) != ' ') |
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| 23 | i++; |
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| 24 | curPtr++; |
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| 25 | } |
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| 26 | |
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| 27 | return i; |
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| 28 | } |
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| 29 | |
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| 30 | /* |
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| 31 | * int sncmp(const char *, const char *) |
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| 32 | * |
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| 33 | * This takes two screen names and compares them using the rules |
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| 34 | * on screen names for AIM/AOL. Mainly, this means case and space |
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| 35 | * insensitivity (all case differences and spacing differences are |
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| 36 | * ignored). |
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| 37 | * |
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| 38 | * Return: 0 if equal |
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| 39 | * non-0 if different |
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| 40 | * |
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| 41 | */ |
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| 42 | |
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| 43 | int aim_sncmp(const char *sn1, const char *sn2) |
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| 44 | { |
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| 45 | const char *curPtr1 = NULL, *curPtr2 = NULL; |
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| 46 | |
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| 47 | if (aim_snlen(sn1) != aim_snlen(sn2)) |
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| 48 | return 1; |
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| 49 | |
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| 50 | curPtr1 = sn1; |
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| 51 | curPtr2 = sn2; |
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[5d6c178] | 52 | while ( (*curPtr1 != (char) '\0') && (*curPtr2 != (char) '\0') ) { |
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[b7d3cc34] | 53 | if ( (*curPtr1 == ' ') || (*curPtr2 == ' ') ) { |
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| 54 | if (*curPtr1 == ' ') |
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| 55 | curPtr1++; |
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| 56 | if (*curPtr2 == ' ') |
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| 57 | curPtr2++; |
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| 58 | } else { |
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| 59 | if ( toupper(*curPtr1) != toupper(*curPtr2)) |
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| 60 | return 1; |
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| 61 | curPtr1++; |
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| 62 | curPtr2++; |
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| 63 | } |
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| 64 | } |
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| 65 | |
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| 66 | /* Should both be NULL */ |
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| 67 | if (*curPtr1 != *curPtr2) |
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| 68 | return 1; |
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| 69 | |
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| 70 | return 0; |
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| 71 | } |
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