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-rw-r--r--apt-pkg/contrib/fileutl.cc38
-rw-r--r--apt-pkg/contrib/strutl.cc31
-rw-r--r--apt-pkg/contrib/strutl.h25
3 files changed, 79 insertions, 15 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 47a91c294..0261119ba 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -656,9 +656,9 @@ string flNoLink(string File)
while (1)
{
// Read the link
- int Res;
+ ssize_t Res;
if ((Res = readlink(NFile.c_str(),Buffer,sizeof(Buffer))) <= 0 ||
- (unsigned)Res >= sizeof(Buffer))
+ (size_t)Res >= sizeof(Buffer))
return File;
// Append or replace the previous path
@@ -946,9 +946,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if ((Mode & Atomic) == Atomic)
{
Flags |= Replace;
- char *name = strdup((FileName + ".XXXXXX").c_str());
- TemporaryFileName = string(mktemp(name));
- free(name);
}
else if ((Mode & (Exclusive | Create)) == (Exclusive | Create))
{
@@ -971,11 +968,24 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if_FLAGGED_SET(Create, O_CREAT);
if_FLAGGED_SET(Empty, O_TRUNC);
if_FLAGGED_SET(Exclusive, O_EXCL);
- else if_FLAGGED_SET(Atomic, O_EXCL);
#undef if_FLAGGED_SET
- if (TemporaryFileName.empty() == false)
- iFd = open(TemporaryFileName.c_str(), fileflags, Perms);
+ if ((Mode & Atomic) == Atomic)
+ {
+ char *name = strdup((FileName + ".XXXXXX").c_str());
+
+ if((iFd = mkstemp(name)) == -1)
+ {
+ free(name);
+ return FileFdErrno("mkstemp", "Could not create temporary file for %s", FileName.c_str());
+ }
+
+ TemporaryFileName = string(name);
+ free(name);
+
+ if(Perms != 600 && fchmod(iFd, Perms) == -1)
+ return FileFdErrno("fchmod", "Could not change permissions for temporary file %s", TemporaryFileName.c_str());
+ }
else
iFd = open(FileName.c_str(), fileflags, Perms);
@@ -1234,7 +1244,7 @@ FileFd::~FileFd()
gracefully. */
bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
{
- int Res;
+ ssize_t Res;
errno = 0;
if (Actual != 0)
*Actual = 0;
@@ -1334,7 +1344,7 @@ char* FileFd::ReadLine(char *To, unsigned long long const Size)
/* */
bool FileFd::Write(const void *From,unsigned long long Size)
{
- int Res;
+ ssize_t Res;
errno = 0;
do
{
@@ -1388,7 +1398,7 @@ bool FileFd::Write(const void *From,unsigned long long Size)
}
bool FileFd::Write(int Fd, const void *From, unsigned long long Size)
{
- int Res;
+ ssize_t Res;
errno = 0;
do
{
@@ -1461,14 +1471,14 @@ bool FileFd::Seek(unsigned long long To)
d->seekpos = To;
return true;
}
- int res;
+ off_t res;
#ifdef HAVE_ZLIB
if (d != NULL && d->gz)
res = gzseek(d->gz,To,SEEK_SET);
else
#endif
res = lseek(iFd,To,SEEK_SET);
- if (res != (signed)To)
+ if (res != (off_t)To)
return FileFdError("Unable to seek to %llu", To);
if (d != NULL)
@@ -1499,7 +1509,7 @@ bool FileFd::Skip(unsigned long long Over)
return true;
}
- int res;
+ off_t res;
#ifdef HAVE_ZLIB
if (d != NULL && d->gz != NULL)
res = gzseek(d->gz,Over,SEEK_CUR);
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index 0955b69f7..77e48962c 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -1118,6 +1118,37 @@ vector<string> VectorizeString(string const &haystack, char const &split)
return exploded;
}
/*}}}*/
+// StringSplit - split a string into a string vector by token /*{{{*/
+// ---------------------------------------------------------------------
+/* See header for details.
+ */
+vector<string> StringSplit(std::string const &s, std::string const &sep,
+ unsigned int maxsplit)
+{
+ vector<string> split;
+ size_t start, pos;
+
+ // no seperator given, this is bogus
+ if(sep.size() == 0)
+ return split;
+
+ start = pos = 0;
+ while (pos != string::npos)
+ {
+ pos = s.find(sep, start);
+ split.push_back(s.substr(start, pos-start));
+
+ // if maxsplit is reached, the remaining string is the last item
+ if(split.size() >= maxsplit)
+ {
+ split[split.size()-1] = s.substr(start);
+ break;
+ }
+ start = pos+sep.size();
+ }
+ return split;
+}
+ /*}}}*/
// RegexChoice - Simple regex list/list matcher /*{{{*/
// ---------------------------------------------------------------------
/* */
diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 530896141..b42e06491 100644
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -17,7 +17,7 @@
#define STRUTL_H
-
+#include <limits>
#include <stdlib.h>
#include <string>
#include <cstring>
@@ -62,9 +62,32 @@ bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0)
bool StrToNum(const char *Str,unsigned long long &Res,unsigned Len,unsigned Base = 0);
bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len);
bool Hex2Num(const std::string &Str,unsigned char *Num,unsigned int Length);
+
+// input changing string split
bool TokSplitString(char Tok,char *Input,char **List,
unsigned long ListMax);
+
+// split a given string by a char
std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const;
+
+/* \brief Return a vector of strings from string "input" where "sep"
+ * is used as the delimiter string.
+ *
+ * \param input The input string.
+ *
+ * \param sep The seperator to use.
+ *
+ * \param maxsplit (optional) The maximum amount of splitting that
+ * should be done .
+ *
+ * The optional "maxsplit" argument can be used to limit the splitting,
+ * if used the string is only split on maxsplit places and the last
+ * item in the vector contains the remainder string.
+ */
+std::vector<std::string> StringSplit(std::string const &input,
+ std::string const &sep,
+ unsigned int maxsplit=std::numeric_limits<unsigned int>::max()) __attrib_const;
+
void ioprintf(std::ostream &out,const char *format,...) __like_printf(2);
void strprintf(std::string &out,const char *format,...) __like_printf(2);
char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3);
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-14 15:26:34 +0000