From 8f3853baea6191788da6befb437e92ba246c86a3 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Mon, 7 Feb 2011 21:42:36 +0100 Subject: * apt-pkg/contrib/error.cc: - remove 400 char size limit of error messages (LP: #365611) --- apt-pkg/contrib/error.cc | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/error.cc b/apt-pkg/contrib/error.cc index e2e8d6e57..7dad11689 100644 --- a/apt-pkg/contrib/error.cc +++ b/apt-pkg/contrib/error.cc @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -103,10 +104,21 @@ bool GlobalError::InsertErrno(MsgType const &type, const char *Function, // GlobalError::InsertErrno - formats an error message with the errno /*{{{*/ bool GlobalError::InsertErrno(MsgType type, const char* Function, const char* Description, va_list &args) { - char S[400]; - snprintf(S, sizeof(S), "%s - %s (%i: %s)", Description, - Function, errno, strerror(errno)); - return Insert(type, S, args); + int const errsv = errno; + char* S = (char*) malloc(400); + size_t const Ssize = snprintf(S, 400, "%s - %s (%i: %s)", Description, + Function, errsv, strerror(errsv)) + 1; + + if (Ssize > 400) { + free(S); + S = (char*) malloc(Ssize); + snprintf(S, Ssize, "%s - %s (%i: %s)", Description, + Function, errsv, strerror(errsv)); + } + + bool const geins = Insert(type, S, args); + free(S); + return geins; } /*}}}*/ // GlobalError::Fatal - Add a fatal error to the list /*{{{*/ @@ -157,8 +169,14 @@ bool GlobalError::Insert(MsgType const &type, const char *Description,...) // GlobalError::Insert - Insert a new item at the end /*{{{*/ bool GlobalError::Insert(MsgType type, const char* Description, va_list &args) { - char S[400]; - vsnprintf(S,sizeof(S),Description,args); + char* S = (char*) malloc(400); + size_t const Ssize = vsnprintf(S, 400, Description, args) + 1; + + if (Ssize > 400) { + free(S); + S = (char*) malloc(Ssize); + vsnprintf(S, Ssize, Description, args); + } Item const m(S, type); Messages.push_back(m); @@ -169,6 +187,7 @@ bool GlobalError::Insert(MsgType type, const char* Description, if (type == FATAL || type == DEBUG) std::clog << m << std::endl; + free(S); return false; } /*}}}*/ -- cgit v1.2.3 From 26b37f959350860a0c1d5ef9651efa0bf3640cb5 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sat, 12 Feb 2011 19:40:47 +0100 Subject: * apt-pkg/contrib/mmap.cc: - do not try to free the mapping if its is unset --- apt-pkg/contrib/mmap.cc | 2 ++ 1 file changed, 2 insertions(+) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc index 69fb61fca..4978446d2 100644 --- a/apt-pkg/contrib/mmap.cc +++ b/apt-pkg/contrib/mmap.cc @@ -266,6 +266,8 @@ DynamicMMap::~DynamicMMap() { if (Fd == 0) { + if (Base == 0) + return; #ifdef _POSIX_MAPPED_FILES munmap(Base, WorkSpace); #else -- cgit v1.2.3 From 005428387832e79e314bb8f2605f7e6c69708d14 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sun, 13 Feb 2011 11:37:22 +0100 Subject: update size of dynamic MMap as we write in from the outside --- apt-pkg/contrib/mmap.h | 1 + 1 file changed, 1 insertion(+) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h index 5ca951204..e9baa9339 100644 --- a/apt-pkg/contrib/mmap.h +++ b/apt-pkg/contrib/mmap.h @@ -61,6 +61,7 @@ class MMap inline operator void *() {return Base;}; inline void *Data() {return Base;}; inline unsigned long Size() {return iSize;}; + inline void AddSize(unsigned long const size) {iSize += size;}; // File manipulators bool Sync(); -- cgit v1.2.3 From f330c0f347619f72766069acdc24616ec5fe7147 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sun, 13 Feb 2011 13:06:03 +0100 Subject: =?UTF-8?q?*=20apt-pkg/contrib/fileutl.cc:=20=20=20-=20reorder=20t?= =?UTF-8?q?he=20loaded=20filesize=20bytes=20for=20big=20endian=20(Closes:?= =?UTF-8?q?=20#612986)=20=20=20=20=20Thanks=20to=20J=C3=B6rg=20Sommer=20fo?= =?UTF-8?q?r=20the=20detailed=20analyse!?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- apt-pkg/contrib/fileutl.cc | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 52f517ee0..6a621e2a9 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -962,9 +962,14 @@ unsigned long FileFd::Size() off_t orig_pos = lseek(iFd, 0, SEEK_CUR); if (lseek(iFd, -4, SEEK_END) < 0) return _error->Errno("lseek","Unable to seek to end of gzipped file"); + size = 0L; if (read(iFd, &size, 4) != 4) return _error->Errno("read","Unable to read original size of gzipped file"); - size &= 0xFFFFFFFF; + +#ifdef WORDS_BIGENDIAN + unsigned char const * const p = (unsigned char *) &size; + size = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; +#endif if (lseek(iFd, orig_pos, SEEK_SET) < 0) return _error->Errno("lseek","Unable to seek in gzipped file"); -- cgit v1.2.3 From 2cae0ccb49efbeebe33f364b61e639ebf2639bdd Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Mon, 14 Feb 2011 11:20:48 +0100 Subject: use inttypes to avoid suprises with different type sizes --- apt-pkg/contrib/fileutl.cc | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 6a621e2a9..24e3f08d9 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -42,6 +42,10 @@ #include #include #include + +#ifndef WORDS_BIGENDIAN +#include +#endif /*}}}*/ using namespace std; @@ -967,8 +971,10 @@ unsigned long FileFd::Size() return _error->Errno("read","Unable to read original size of gzipped file"); #ifdef WORDS_BIGENDIAN - unsigned char const * const p = (unsigned char *) &size; - size = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; + uint32_t tmp_size = size; + uint8_t const * const p = (uint8_t const * const) &tmp_size; + tmp_size = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; + size = tmp_size; #endif if (lseek(iFd, orig_pos, SEEK_SET) < 0) -- cgit v1.2.3 From 2a79d5b560398427f5538865099b6777128d8bed Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Mon, 14 Feb 2011 17:03:35 +0100 Subject: * apt-pkg/contrib/fileutl.cc: - really detect bigendian machines by including config.h, so we can really (Closes: #612986) * apt-pkg/contrib/mmap.cc: - Base has as 'valid' failure states 0 and -1 so add a simple validData method to check for failure states --- apt-pkg/contrib/fileutl.cc | 3 ++- apt-pkg/contrib/mmap.cc | 4 ++-- apt-pkg/contrib/mmap.h | 1 + 3 files changed, 5 insertions(+), 3 deletions(-) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index 24e3f08d9..767951daf 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -43,7 +43,8 @@ #include #include -#ifndef WORDS_BIGENDIAN +#include +#ifdef WORDS_BIGENDIAN #include #endif /*}}}*/ diff --git a/apt-pkg/contrib/mmap.cc b/apt-pkg/contrib/mmap.cc index 4978446d2..9945b1606 100644 --- a/apt-pkg/contrib/mmap.cc +++ b/apt-pkg/contrib/mmap.cc @@ -106,7 +106,7 @@ bool MMap::Map(FileFd &Fd) /* */ bool MMap::Close(bool DoSync) { - if ((Flags & UnMapped) == UnMapped || Base == 0 || iSize == 0) + if ((Flags & UnMapped) == UnMapped || validData() == false || iSize == 0) return true; if (DoSync == true) @@ -266,7 +266,7 @@ DynamicMMap::~DynamicMMap() { if (Fd == 0) { - if (Base == 0) + if (validData() == false) return; #ifdef _POSIX_MAPPED_FILES munmap(Base, WorkSpace); diff --git a/apt-pkg/contrib/mmap.h b/apt-pkg/contrib/mmap.h index e9baa9339..2bf2c1540 100644 --- a/apt-pkg/contrib/mmap.h +++ b/apt-pkg/contrib/mmap.h @@ -62,6 +62,7 @@ class MMap inline void *Data() {return Base;}; inline unsigned long Size() {return iSize;}; inline void AddSize(unsigned long const size) {iSize += size;}; + inline bool validData() const { return Base != (void *)-1 && Base != 0; }; // File manipulators bool Sync(); -- cgit v1.2.3 From 38f297033faa099a0705c8f66964d8c5d7927c8d Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Tue, 15 Feb 2011 14:04:06 +0100 Subject: * apt-pkg/contrib/error.cc: - ensure that va_list is not invalid in second try --- apt-pkg/contrib/error.cc | 169 +++++++++++++++++++++-------------------------- apt-pkg/contrib/error.h | 5 +- 2 files changed, 80 insertions(+), 94 deletions(-) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/error.cc b/apt-pkg/contrib/error.cc index 7dad11689..fe50e606b 100644 --- a/apt-pkg/contrib/error.cc +++ b/apt-pkg/contrib/error.cc @@ -58,124 +58,109 @@ // GlobalError::GlobalError - Constructor /*{{{*/ GlobalError::GlobalError() : PendingFlag(false) {} /*}}}*/ -// GlobalError::FatalE - Get part of the error string from errno /*{{{*/ -bool GlobalError::FatalE(const char *Function,const char *Description,...) { - va_list args; - va_start(args,Description); - return InsertErrno(FATAL, Function, Description, args); -} - /*}}}*/ -// GlobalError::Errno - Get part of the error string from errno /*{{{*/ -bool GlobalError::Errno(const char *Function,const char *Description,...) { - va_list args; - va_start(args,Description); - return InsertErrno(ERROR, Function, Description, args); -} - /*}}}*/ -// GlobalError::WarningE - Get part of the warning string from errno /*{{{*/ -bool GlobalError::WarningE(const char *Function,const char *Description,...) { - va_list args; - va_start(args,Description); - return InsertErrno(WARNING, Function, Description, args); -} - /*}}}*/ -// GlobalError::NoticeE - Get part of the notice string from errno /*{{{*/ -bool GlobalError::NoticeE(const char *Function,const char *Description,...) { - va_list args; - va_start(args,Description); - return InsertErrno(NOTICE, Function, Description, args); -} - /*}}}*/ -// GlobalError::DebugE - Get part of the debug string from errno /*{{{*/ -bool GlobalError::DebugE(const char *Function,const char *Description,...) { - va_list args; - va_start(args,Description); - return InsertErrno(DEBUG, Function, Description, args); +// GlobalError::FatalE, Errno, WarningE, NoticeE and DebugE - Add to the list/*{{{*/ +#define GEMessage(NAME, TYPE) \ +bool GlobalError::NAME (const char *Function, const char *Description,...) { \ + va_list args; \ + size_t msgSize = 400; \ + int const errsv = errno; \ + while (true) { \ + va_start(args,Description); \ + if (InsertErrno(TYPE, Function, Description, args, errsv, msgSize) == false) \ + break; \ + va_end(args); \ + } \ + return false; \ } +GEMessage(FatalE, FATAL) +GEMessage(Errno, ERROR) +GEMessage(WarningE, WARNING) +GEMessage(NoticeE, NOTICE) +GEMessage(DebugE, DEBUG) +#undef GEMessage /*}}}*/ // GlobalError::InsertErrno - Get part of the errortype string from errno/*{{{*/ bool GlobalError::InsertErrno(MsgType const &type, const char *Function, const char *Description,...) { va_list args; - va_start(args,Description); - return InsertErrno(type, Function, Description, args); + size_t msgSize = 400; + int const errsv = errno; + while (true) { + va_start(args,Description); + if (InsertErrno(type, Function, Description, args, errsv, msgSize) == false) + break; + va_end(args); + } + return false; } /*}}}*/ // GlobalError::InsertErrno - formats an error message with the errno /*{{{*/ bool GlobalError::InsertErrno(MsgType type, const char* Function, - const char* Description, va_list &args) { - int const errsv = errno; - char* S = (char*) malloc(400); - size_t const Ssize = snprintf(S, 400, "%s - %s (%i: %s)", Description, - Function, errsv, strerror(errsv)) + 1; - - if (Ssize > 400) { - free(S); - S = (char*) malloc(Ssize); - snprintf(S, Ssize, "%s - %s (%i: %s)", Description, - Function, errsv, strerror(errsv)); + const char* Description, va_list &args, + int const errsv, size_t &msgSize) { + char* S = (char*) malloc(msgSize); + int const n = snprintf(S, msgSize, "%s - %s (%i: %s)", Description, + Function, errsv, strerror(errsv)); + if (n > -1 && ((unsigned int) n) < msgSize); + else { + if (n > -1) + msgSize = n + 1; + else + msgSize *= 2; + return true; } - bool const geins = Insert(type, S, args); + bool const geins = Insert(type, S, args, msgSize); free(S); return geins; } /*}}}*/ -// GlobalError::Fatal - Add a fatal error to the list /*{{{*/ -bool GlobalError::Fatal(const char *Description,...) { - va_list args; - va_start(args,Description); - return Insert(FATAL, Description, args); -} - /*}}}*/ -// GlobalError::Error - Add an error to the list /*{{{*/ -bool GlobalError::Error(const char *Description,...) { - va_list args; - va_start(args,Description); - return Insert(ERROR, Description, args); -} - /*}}}*/ -// GlobalError::Warning - Add a warning to the list /*{{{*/ -bool GlobalError::Warning(const char *Description,...) { - va_list args; - va_start(args,Description); - return Insert(WARNING, Description, args); -} - /*}}}*/ -// GlobalError::Notice - Add a notice to the list /*{{{*/ -bool GlobalError::Notice(const char *Description,...) -{ - va_list args; - va_start(args,Description); - return Insert(NOTICE, Description, args); -} - /*}}}*/ -// GlobalError::Debug - Add a debug to the list /*{{{*/ -bool GlobalError::Debug(const char *Description,...) -{ - va_list args; - va_start(args,Description); - return Insert(DEBUG, Description, args); +// GlobalError::Fatal, Error, Warning, Notice and Debug - Add to the list/*{{{*/ +#define GEMessage(NAME, TYPE) \ +bool GlobalError::NAME (const char *Description,...) { \ + va_list args; \ + size_t msgSize = 400; \ + while (true) { \ + va_start(args,Description); \ + if (Insert(TYPE, Description, args, msgSize) == false) \ + break; \ + va_end(args); \ + } \ + return false; \ } +GEMessage(Fatal, FATAL) +GEMessage(Error, ERROR) +GEMessage(Warning, WARNING) +GEMessage(Notice, NOTICE) +GEMessage(Debug, DEBUG) +#undef GEMessage /*}}}*/ // GlobalError::Insert - Add a errotype message to the list /*{{{*/ bool GlobalError::Insert(MsgType const &type, const char *Description,...) { va_list args; - va_start(args,Description); - return Insert(type, Description, args); + size_t msgSize = 400; + while (true) { + va_start(args,Description); + if (Insert(type, Description, args, msgSize) == false) + break; + va_end(args); + } + return false; } /*}}}*/ // GlobalError::Insert - Insert a new item at the end /*{{{*/ bool GlobalError::Insert(MsgType type, const char* Description, - va_list &args) { - char* S = (char*) malloc(400); - size_t const Ssize = vsnprintf(S, 400, Description, args) + 1; - - if (Ssize > 400) { - free(S); - S = (char*) malloc(Ssize); - vsnprintf(S, Ssize, Description, args); + va_list &args, size_t &msgSize) { + char* S = (char*) malloc(msgSize); + int const n = vsnprintf(S, msgSize, Description, args); + if (n > -1 && ((unsigned int) n) < msgSize); + else { + if (n > -1) + msgSize = n + 1; + else + msgSize *= 2; + return true; } Item const m(S, type); diff --git a/apt-pkg/contrib/error.h b/apt-pkg/contrib/error.h index ae756dbc4..21c51c1be 100644 --- a/apt-pkg/contrib/error.h +++ b/apt-pkg/contrib/error.h @@ -307,9 +307,10 @@ private: /*{{{*/ std::list Stacks; bool InsertErrno(MsgType type, const char* Function, - const char* Description, va_list &args); + const char* Description, va_list &args, + int const errsv, size_t &msgSize); bool Insert(MsgType type, const char* Description, - va_list &args); + va_list &args, size_t &msgSize); /*}}}*/ }; /*}}}*/ -- cgit v1.2.3 From 31273d9ff4fa1a6e073168e9cbaa91d1f53be853 Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sun, 27 Feb 2011 14:30:50 +0100 Subject: d'uh! implement and not only declare the string wrapper for FindVector --- apt-pkg/contrib/configuration.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'apt-pkg/contrib') diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h index 175c1bef3..71e5a0e47 100644 --- a/apt-pkg/contrib/configuration.h +++ b/apt-pkg/contrib/configuration.h @@ -72,8 +72,8 @@ class Configuration string Find(string const &Name, string const &Default) const {return Find(Name.c_str(),Default.c_str());}; string FindFile(const char *Name,const char *Default = 0) const; string FindDir(const char *Name,const char *Default = 0) const; - std::vector FindVector(string const &Name) const; std::vector FindVector(const char *Name) const; + std::vector FindVector(string const &Name) const { return FindVector(Name.c_str()); }; int FindI(const char *Name,int const &Default = 0) const; int FindI(string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);}; bool FindB(const char *Name,bool const &Default = false) const; -- cgit v1.2.3