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diff -up expect5.45/exp_log.c.orig expect5.45/exp_log.c
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--- expect5.45/exp_log.c.orig 2013-12-12 12:43:38.527854189 +0100
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+++ expect5.45/exp_log.c 2013-12-12 12:49:26.866576387 +0100
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@@ -176,7 +176,7 @@ expStdoutLog TCL_VARARGS_DEF(int,arg1)
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if ((!tsdPtr->logUser) && (!force_stdout) && (!tsdPtr->logAll)) return;
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- (void) vsprintf(bigbuf,fmt,args);
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+ (void) vsnprintf(bigbuf,sizeof(bigbuf),fmt,args);
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expDiagWriteBytes(bigbuf,-1);
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if (tsdPtr->logAll || (LOGUSER && tsdPtr->logChannel)) Tcl_WriteChars(tsdPtr->logChannel,bigbuf,-1);
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if (LOGUSER) fprintf(stdout,"%s",bigbuf);
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@@ -222,7 +222,7 @@ expErrorLog TCL_VARARGS_DEF(char *,arg1)
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va_list args;
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fmt = TCL_VARARGS_START(char *,arg1,args);
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- (void) vsprintf(bigbuf,fmt,args);
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+ (void) vsnprintf(bigbuf,sizeof(bigbuf),fmt,args);
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expDiagWriteChars(bigbuf,-1);
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fprintf(stderr,"%s",bigbuf);
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@@ -264,7 +264,7 @@ expDiagLog TCL_VARARGS_DEF(char *,arg1)
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fmt = TCL_VARARGS_START(char *,arg1,args);
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- (void) vsprintf(bigbuf,fmt,args);
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+ (void) vsnprintf(bigbuf,sizeof(bigbuf),fmt,args);
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expDiagWriteBytes(bigbuf,-1);
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if (tsdPtr->diagToStderr) {
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@@ -307,7 +307,7 @@ expPrintf TCL_VARARGS_DEF(char *,arg1)
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int len, rc;
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fmt = TCL_VARARGS_START(char *,arg1,args);
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- len = vsprintf(bigbuf,arg1,args);
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+ len = vsnprintf(bigbuf,sizeof(bigbuf),arg1,args);
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retry:
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rc = write(2,bigbuf,len);
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if ((rc == -1) && (errno == EAGAIN)) goto retry;
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