diff options
Diffstat (limited to 'apt-pkg/contrib/strutl.cc')
| -rw-r--r-- | apt-pkg/contrib/strutl.cc | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc index 987f4c3a4..2e2bb5ebc 100644 --- a/apt-pkg/contrib/strutl.cc +++ b/apt-pkg/contrib/strutl.cc @@ -968,6 +968,23 @@ bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base) return true; } /*}}}*/ +// Base256ToNum - Convert a fixed length binary to a number /*{{{*/ +// --------------------------------------------------------------------- +/* This is used in decoding the 256bit encoded fixed length fields in + tar files */ +bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len) +{ + if ((Str[0] & 0x80) == 0) + return false; + else + { + Res = Str[0] & 0x7F; + for(unsigned int i = 1; i < Len; ++i) + Res = (Res<<8) + Str[i]; + return true; + } +} + /*}}}*/ // HexDigit - Convert a hex character into an integer /*{{{*/ // --------------------------------------------------------------------- /* Helper for Hex2Num */ @@ -1174,6 +1191,15 @@ char *safe_snprintf(char *Buffer,char *End,const char *Format,...) return Buffer + Did; } /*}}}*/ +// StripEpoch - Remove the version "epoch" from a version string /*{{{*/ +// --------------------------------------------------------------------- +string StripEpoch(const string &VerStr) +{ + size_t i = VerStr.find(":"); + if (i == string::npos) + return VerStr; + return VerStr.substr(i+1); +} // tolower_ascii - tolower() function that ignores the locale /*{{{*/ // --------------------------------------------------------------------- |