Fix handling of one case, should be a good memmem() now.
git-svn-id: https://svn.code.sf.net/p/vbam/code/trunk@517 a31d4220-a93d-0410-bf67-fe4944624d44
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4e8ab56781
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@ -8,18 +8,25 @@
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static uint8_t *memmem(const uint8_t *haystack, size_t haystacklen, const uint8_t *needle, size_t needlelen)
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static uint8_t *memmem(const uint8_t *haystack, size_t haystacklen, const uint8_t *needle, size_t needlelen)
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{
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{
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if (needlelen <= haystacklen)
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if (needlelen)
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{
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{
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haystacklen -= needlelen-1;
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if (needlelen <= haystacklen)
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while (haystacklen--)
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{
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{
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if (!memcmp(haystack, needle, needlelen))
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haystacklen -= needlelen-1;
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while (haystacklen--)
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{
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{
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return((uint8_t *)haystack);
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if (!memcmp(haystack, needle, needlelen))
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{
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return((uint8_t *)haystack);
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}
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++haystack;
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}
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}
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++haystack;
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}
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}
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}
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}
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else
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{
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return((uint8_t *)haystack);
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}
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return(0);
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return(0);
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}
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}
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