X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/1d51f78e9d128191ff8b2d48e42d90ebdbff2588..4e1c86a6c0cf9a6e51ec4f9b9ad9271547fa036d:/apt-pkg/contrib/strutl.cc?ds=sidebyside diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc index 8dd05b9c0..ca096d736 100644 --- a/apt-pkg/contrib/strutl.cc +++ b/apt-pkg/contrib/strutl.cc @@ -15,14 +15,15 @@ ##################################################################### */ /*}}}*/ // Includes /*{{{*/ +#include + #include #include #include -#include - #include #include +#include #include #include #include @@ -31,7 +32,7 @@ #include #include -#include "config.h" +#include using namespace std; /*}}}*/ @@ -910,17 +911,17 @@ bool StrToTime(const string &Val,time_t &Result) // Handle RFC 1123 time Month[0] = 0; - if (sscanf(I," %d %3s %d %d:%d:%d GMT",&Tm.tm_mday,Month,&Tm.tm_year, + if (sscanf(I," %2d %3s %4d %2d:%2d:%2d GMT",&Tm.tm_mday,Month,&Tm.tm_year, &Tm.tm_hour,&Tm.tm_min,&Tm.tm_sec) != 6) { // Handle RFC 1036 time - if (sscanf(I," %d-%3s-%d %d:%d:%d GMT",&Tm.tm_mday,Month, + if (sscanf(I," %2d-%3s-%3d %2d:%2d:%2d GMT",&Tm.tm_mday,Month, &Tm.tm_year,&Tm.tm_hour,&Tm.tm_min,&Tm.tm_sec) == 6) Tm.tm_year += 1900; else { // asctime format - if (sscanf(I," %3s %d %d:%d:%d %d",Month,&Tm.tm_mday, + if (sscanf(I," %3s %2d %2d:%2d:%2d %4d",Month,&Tm.tm_mday, &Tm.tm_hour,&Tm.tm_min,&Tm.tm_sec,&Tm.tm_year) != 6) { // 'ftp' time @@ -969,6 +970,34 @@ bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base) return true; } /*}}}*/ +// StrToNum - Convert a fixed length string to a number /*{{{*/ +// --------------------------------------------------------------------- +/* This is used in decoding the crazy fixed length string headers in + tar and ar files. */ +bool StrToNum(const char *Str,unsigned long long &Res,unsigned Len,unsigned Base) +{ + char S[30]; + if (Len >= sizeof(S)) + return false; + memcpy(S,Str,Len); + S[Len] = 0; + + // All spaces is a zero + Res = 0; + unsigned I; + for (I = 0; S[I] == ' '; I++); + if (S[I] == 0) + return true; + + char *End; + Res = strtoull(S,&End,Base); + if (End == S) + return false; + + return true; +} + /*}}}*/ + // Base256ToNum - Convert a fixed length binary to a number /*{{{*/ // --------------------------------------------------------------------- /* This is used in decoding the 256bit encoded fixed length fields in @@ -1140,34 +1169,50 @@ unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin, return Hits; } /*}}}*/ -// ioprintf - C format string outputter to C++ iostreams /*{{{*/ +// {str,io}printf - C format string outputter to C++ strings/iostreams /*{{{*/ // --------------------------------------------------------------------- /* This is used to make the internationalization strings easier to translate and to allow reordering of parameters */ -void ioprintf(ostream &out,const char *format,...) +static bool iovprintf(ostream &out, const char *format, + va_list &args, ssize_t &size) { + char *S = (char*)malloc(size); + ssize_t const n = vsnprintf(S, size, format, args); + if (n > -1 && n < size) { + out << S; + free(S); + return true; + } else { + if (n > -1) + size = n + 1; + else + size *= 2; + } + free(S); + return false; +} +void ioprintf(ostream &out,const char *format,...) { va_list args; - va_start(args,format); - - // sprintf the description - char S[4096]; - vsnprintf(S,sizeof(S),format,args); - out << S; + ssize_t size = 400; + while (true) { + va_start(args,format); + if (iovprintf(out, format, args, size) == true) + return; + va_end(args); + } } - /*}}}*/ -// strprintf - C format string outputter to C++ strings /*{{{*/ -// --------------------------------------------------------------------- -/* This is used to make the internationalization strings easier to translate - and to allow reordering of parameters */ -void strprintf(string &out,const char *format,...) +void strprintf(string &out,const char *format,...) { va_list args; - va_start(args,format); - - // sprintf the description - char S[4096]; - vsnprintf(S,sizeof(S),format,args); - out = string(S); + ssize_t size = 400; + std::ostringstream outstr; + while (true) { + va_start(args,format); + if (iovprintf(outstr, format, args, size) == true) + break; + va_end(args); + } + out = outstr.str(); } /*}}}*/ // safe_snprintf - Safer snprintf /*{{{*/