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#include "Messages.h"
#include <string.h>
#include <vector>
#include <stdarg.h>
#include <stdio.h>
using std::vector;
void CMessageDisplay::FormatMessageWithString(const char *fmt, const char *str) {
char *buf(new char[strlen(fmt)+strlen(str)]);
sprintf(buf, fmt, str);
Message(buf, true);
delete buf;
}
void CMessageDisplay::FormatMessageWith2Strings(const char *fmt, const char *str1, const char *str2) {
char *buf(new char[strlen(fmt)+strlen(str1)+strlen(str2)]);
sprintf(buf, fmt, str1, str2);
Message(buf,true);
delete buf;
}
//The following implements a varargs version of the above,
// dynamically allocating enough storage for the formatted string
// using snprintf. However, this doesn't work on Solaris,
// hence commenting out.
//Note: vector is guaranteed to store elements contiguously.
// C++98 did not guarantee this, but this was corrected in a 2003
// technical corrigendum. As Bjarne Stroustrup says,
// "this was always the intent and all implementations always did it that way"
/*vector<char> buf;
for (int len = strlen(fmt)+1024; ;) {
buf.resize(len);
va_list args;
va_start(args,fmt);
int res = vsnprintf(&buf[0], len, fmt, args);
va_end(args);
if (res>=0 && res<len) {
//ok, buf big enough, now contains string
Message(&buf[0], true);
return;
}
if (res<0) {
//on windows, returns -1 for "buffer not big enough" => double size & retry.
// However, on linux, -1 indicates "some other error".
// So make sure we don't infinite loop but instead break out somehow...
if (len*=2 > 1<<16) {
printf("Could not allocate big enough buffer, or other error, when trying to print:\n");
va_list args2;
va_start(args2,fmt);
vprintf(fmt,args2);
va_end(args2);
return; //exit loop + function, no call to Message()
}
} else len = res+1; //that identifies necessary size of buffer
}*/
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