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-rw-r--r--apt-pkg/contrib/cmndline.cc28
-rw-r--r--apt-pkg/contrib/sha2_internal.cc16
-rw-r--r--apt-pkg/contrib/strutl.cc15
3 files changed, 31 insertions, 28 deletions
diff --git a/apt-pkg/contrib/cmndline.cc b/apt-pkg/contrib/cmndline.cc
index 997f26bc7..159f330a1 100644
--- a/apt-pkg/contrib/cmndline.cc
+++ b/apt-pkg/contrib/cmndline.cc
@@ -90,9 +90,8 @@ bool CommandLine::Parse(int argc,const char **argv)
Opt++;
// Match up to a = against the list
- const char *OptEnd = Opt;
Args *A;
- for (; *OptEnd != 0 && *OptEnd != '='; OptEnd++);
+ const char *OptEnd = strchrnul(Opt, '=');
for (A = ArgList; A->end() == false &&
stringcasecmp(Opt,OptEnd,A->LongOpt) != 0; A++);
@@ -100,9 +99,8 @@ bool CommandLine::Parse(int argc,const char **argv)
bool PreceedMatch = false;
if (A->end() == true)
{
- for (; Opt != OptEnd && *Opt != '-'; Opt++);
-
- if (Opt == OptEnd)
+ Opt = (const char*) memchr(Opt, '-', OptEnd - Opt);
+ if (Opt == NULL)
return _error->Error(_("Command line option %s is not understood"),argv[I]);
Opt++;
@@ -197,9 +195,8 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
// Arbitrary item specification
if ((A->Flags & ArbItem) == ArbItem)
{
- const char *J;
- for (J = Argument; *J != 0 && *J != '='; J++);
- if (*J == 0)
+ const char *J = strchr(Argument, '=');
+ if (J == NULL)
return _error->Error(_("Option %s: Configuration item specification must have an =<val>."),argv[I]);
// = is trailing
@@ -215,8 +212,7 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
return true;
}
- const char *I = A->ConfName;
- for (; *I != 0 && *I != ' '; I++);
+ const char *I = strchrnul(A->ConfName, ' ');
if (*I == ' ')
Conf->Set(string(A->ConfName,0,I-A->ConfName),string(I+1) + Argument);
else
@@ -272,10 +268,9 @@ bool CommandLine::HandleOpt(int &I,int argc,const char *argv[],
// Skip the leading dash
const char *J = argv[I];
for (; *J != 0 && *J == '-'; J++);
-
- const char *JEnd = J;
- for (; *JEnd != 0 && *JEnd != '-'; JEnd++);
- if (*JEnd != 0)
+
+ const char *JEnd = strchr(J, '-');
+ if (JEnd != NULL)
{
strncpy(Buffer,J,JEnd - J);
Buffer[JEnd - J] = 0;
@@ -376,9 +371,8 @@ void CommandLine::SaveInConfig(unsigned int const &argc, char const * const * co
{
// That is possibly an option: Quote it if it includes spaces,
// the benefit is that this will eliminate also most false positives
- const char* c = &argv[i][j+1];
- for (; *c != '\0' && *c != ' '; ++c);
- if (*c == '\0') continue;
+ const char* c = strchr(&argv[i][j+1], ' ');
+ if (c == NULL) continue;
cmdline[++length] = '"';
closeQuote = true;
}
diff --git a/apt-pkg/contrib/sha2_internal.cc b/apt-pkg/contrib/sha2_internal.cc
index ff995cdf2..6d27e8f2b 100644
--- a/apt-pkg/contrib/sha2_internal.cc
+++ b/apt-pkg/contrib/sha2_internal.cc
@@ -605,7 +605,12 @@ void SHA256_Final(sha2_byte digest[], SHA256_CTX* context) {
*context->buffer = 0x80;
}
/* Set the bit count: */
- *(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
+ union {
+ sha2_byte* c;
+ sha2_word64* l;
+ } bitcount;
+ bitcount.c = &context->buffer[SHA256_SHORT_BLOCK_LENGTH];
+ *(bitcount.l) = context->bitcount;
/* Final transform: */
SHA256_Transform(context, (sha2_word32*)context->buffer);
@@ -922,8 +927,13 @@ static void SHA512_Last(SHA512_CTX* context) {
*context->buffer = 0x80;
}
/* Store the length of input data (in bits): */
- *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
- *(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
+ union {
+ sha2_byte* c;
+ sha2_word64* l;
+ } bitcount;
+ bitcount.c = &context->buffer[SHA512_SHORT_BLOCK_LENGTH];
+ bitcount.l[0] = context->bitcount[1];
+ bitcount.l[1] = context->bitcount[0];
/* Final transform: */
SHA512_Transform(context, (sha2_word64*)context->buffer);
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index aaf44b7ff..861cdcbeb 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -179,14 +179,14 @@ bool ParseQuoteWord(const char *&String,string &Res)
{
if (*C == '"')
{
- for (C++; *C != 0 && *C != '"'; C++);
- if (*C == 0)
+ C = strchr(C + 1, '"');
+ if (C == NULL)
return false;
}
if (*C == '[')
{
- for (C++; *C != 0 && *C != ']'; C++);
- if (*C == 0)
+ C = strchr(C + 1, ']');
+ if (C == NULL)
return false;
}
}
@@ -904,11 +904,10 @@ bool StrToTime(const string &Val,time_t &Result)
{
struct tm Tm;
char Month[10];
- const char *I = Val.c_str();
-
+
// Skip the day of the week
- for (;*I != 0 && *I != ' '; I++);
-
+ const char *I = strchr(Val.c_str(), ' ');
+
// Handle RFC 1123 time
Month[0] = 0;
if (sscanf(I," %d %3s %d %d:%d:%d GMT",&Tm.tm_mday,Month,&Tm.tm_year,