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[18] | 1 | /* strstr.c (emx+gcc) -- Copyright (c) 1990-1995 by Eberhard Mattes */
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| 2 |
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| 3 | #include <string.h>
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| 4 | #if 1
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| 5 | char *strstr1 (const char *string1, const char *string2)
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| 6 | {
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| 7 | int len1, len2, i;
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| 8 | char first;
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| 9 |
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| 10 | if (*string2 == 0)
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| 11 | return (char *)string1;
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| 12 | len1 = 0;
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| 13 | while (string1[len1] != 0) ++len1;
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| 14 | len2 = 0;
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| 15 | while (string2[len2] != 0) ++len2;
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| 16 | if (len2 == 0)
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| 17 | return (char *)(string1+len1);
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| 18 | first = *string2;
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| 19 | while (len1 >= len2)
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| 20 | {
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| 21 | if (*string1 == first)
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| 22 | {
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| 23 | for (i = 1; i < len2; ++i)
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| 24 | if (string1[i] != string2[i])
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| 25 | break;
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| 26 | if (i >= len2)
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| 27 | return (char *)string1;
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| 28 | }
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| 29 | ++string1; --len1;
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| 30 | }
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| 31 | return NULL;
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| 32 | }
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| 33 | #endif
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| 34 | #ifndef HAVE_STRLCPY
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| 35 | size_t strlcpy(char *dst, const char *src, size_t size)
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| 36 | {
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| 37 | if(size) {
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| 38 | strncpy(dst, src, size-1);
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| 39 | dst[size-1] = '\0';
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| 40 | } else {
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| 41 | dst[0] = '\0';
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| 42 | }
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| 43 | return strlen(src);
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| 44 | }
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| 45 |
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| 46 | #endif
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