Mercurial > projects > ldc
view dmd2/gnuc.c @ 1166:c6f39553b702
Clean up some suspicious code.
There's no guarantee a constant of integer type is a ConstantInt, so it's not
safe to just cast<> these to ConstantInt. (It could be a constant expression,
for example)
The code is shorter this way too :).
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Sun, 29 Mar 2009 03:27:04 +0200 |
parents | f04dde6e882c |
children |
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// Put functions in here missing from gnu C #include "gnuc.h" int memicmp(const char *s1, const char *s2, int n) { int result = 0; for (int i = 0; i < n; i++) { char c1 = s1[i]; char c2 = s2[i]; result = c1 - c2; if (result) { if ('A' <= c1 && c1 <= 'Z') c1 += 'a' - 'A'; if ('A' <= c2 && c2 <= 'Z') c2 += 'a' - 'A'; result = c1 - c2; if (result) break; } } return result; } int stricmp(const char *s1, const char *s2) { int result = 0; for (;;) { char c1 = *s1; char c2 = *s2; result = c1 - c2; if (result) { if ('A' <= c1 && c1 <= 'Z') c1 += 'a' - 'A'; if ('A' <= c2 && c2 <= 'Z') c2 += 'a' - 'A'; result = c1 - c2; if (result) break; } if (!c1) break; s1++; s2++; } return result; }