X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6dd8400ca787ef832d87121f304f98ad152dc3a6..f7feb041e8d8dac5fac3c6cd44c8108e12ea4cd6:/apt-pkg/deb/debversion.cc?ds=sidebyside diff --git a/apt-pkg/deb/debversion.cc b/apt-pkg/deb/debversion.cc index 755ffbe96..a5eacb7f5 100644 --- a/apt-pkg/deb/debversion.cc +++ b/apt-pkg/deb/debversion.cc @@ -10,11 +10,13 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#define APT_COMPATIBILITY 986 +#include <config.h> #include <apt-pkg/debversion.h> #include <apt-pkg/pkgcache.h> +#include <string.h> +#include <string> #include <stdlib.h> #include <ctype.h> /*}}}*/ @@ -116,7 +118,7 @@ int debVersioningSystem::CmpFragment(const char *A,const char *AEnd, return 1; } - // Shouldnt happen + // Shouldn't happen return 1; } /*}}}*/ @@ -127,14 +129,12 @@ int debVersioningSystem::CmpFragment(const char *A,const char *AEnd, int debVersioningSystem::DoCmpVersion(const char *A,const char *AEnd, const char *B,const char *BEnd) { - // Strip off the epoch and compare it - const char *lhs = A; - const char *rhs = B; - for (;lhs != AEnd && *lhs != ':'; lhs++); - for (;rhs != BEnd && *rhs != ':'; rhs++); - if (lhs == AEnd) + // Strip off the epoch and compare it + const char *lhs = (const char*) memchr(A, ':', AEnd - A); + const char *rhs = (const char*) memchr(B, ':', BEnd - B); + if (lhs == NULL) lhs = A; - if (rhs == BEnd) + if (rhs == NULL) rhs = B; // Special case: a zero epoch is the same as no epoch, @@ -169,15 +169,12 @@ int debVersioningSystem::DoCmpVersion(const char *A,const char *AEnd, if (rhs != B) rhs++; - // Find the last - - const char *dlhs = AEnd-1; - const char *drhs = BEnd-1; - for (;dlhs > lhs && *dlhs != '-'; dlhs--); - for (;drhs > rhs && *drhs != '-'; drhs--); - - if (dlhs == lhs) + // Find the last - + const char *dlhs = (const char*) memrchr(lhs, '-', AEnd - lhs); + const char *drhs = (const char*) memrchr(rhs, '-', BEnd - rhs); + if (dlhs == NULL) dlhs = AEnd; - if (drhs == rhs) + if (drhs == NULL) drhs = BEnd; // Compare the main version @@ -220,10 +217,15 @@ bool debVersioningSystem::CheckDep(const char *PkgVer, return true; if (PkgVer == 0 || PkgVer[0] == 0) return false; - - // Perform the actual comparision. - int Res = CmpVersion(PkgVer,DepVer); - switch (Op & 0x0F) + Op &= 0x0F; + + // fast track for (equal) strings [by location] which are by definition equal versions + if (PkgVer == DepVer) + return Op == pkgCache::Dep::Equals || Op == pkgCache::Dep::LessEq || Op == pkgCache::Dep::GreaterEq; + + // Perform the actual comparison. + int const Res = CmpVersion(PkgVer, DepVer); + switch (Op) { case pkgCache::Dep::LessEq: if (Res <= 0) @@ -262,7 +264,7 @@ bool debVersioningSystem::CheckDep(const char *PkgVer, // debVS::UpstreamVersion - Return the upstream version string /*{{{*/ // --------------------------------------------------------------------- /* This strips all the debian specific information from the version number */ -string debVersioningSystem::UpstreamVersion(const char *Ver) +std::string debVersioningSystem::UpstreamVersion(const char *Ver) { // Strip off the bit before the first colon const char *I = Ver; @@ -277,6 +279,6 @@ string debVersioningSystem::UpstreamVersion(const char *Ver) if (*I == '-') Last = I - Ver; - return string(Ver,Last); + return std::string(Ver,Last); } /*}}}*/