jD91mZM2
1c92751a73
Don't rely on integer wrapping in ctype and fix strcasecmp on non-alphabetic characters
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <strings.h>
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int main() {
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assert(!bcmp("hello", "hehe", 2));
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assert(bcmp("hello", "haha", 2));
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char* new = malloc(3);
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bcopy("hi", new, 3); // include nul byte
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assert(!strcasecmp("hi", new));
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assert(strcasecmp("he", new));
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assert(strcasecmp("hello", "HEllO") == 0);
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assert(strcasecmp("hello", "HEllOo") < 0);
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assert(strcasecmp("5", "5") == 0);
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assert(strcasecmp("5", "4") > 0);
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assert(strcasecmp("5", "6") < 0);
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assert(strncasecmp("hello", "Hello World", 5) == 0);
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assert(strncasecmp("FLOOR0_1", "FLOOR0_1FLOOR4_1", 8) == 0);
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assert(strncasecmp("FL00RO_1", "FLOOR0_1FLOOR4_1", 8) < 0);
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// Ensure we aren't relying on the 5th (lowercase) bit on non-alpha characters
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assert(strcasecmp("{[", "[{") > 0);
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bzero(new, 1);
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assert(*new == 0);
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assert(*(new+1) == 'i');
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assert(*(new+2) == 0);
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assert(ffs(1) == 1);
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assert(ffs(2) == 2);
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assert(ffs(3) == 1);
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assert(ffs(10) == 2);
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char* str = "hihih";
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assert(index(str, 'i') == str + 1);
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assert(rindex(str, 'i') == str + 3);
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}
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