This source file includes following definitions.
- ssinit
- ssfree
- ssvprintf
- ssprintf
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "error_handling/string_stream.h"
void ssinit(sstream_t* stream) {
stream->data = NULL;
stream->length = 0;
}
void ssfree(sstream_t* stream) {
free(stream->data);
stream->data = 0;
stream->length = 0;
}
int ssvprintf(sstream_t* stream, const char* format, va_list args) {
va_list hold;
int len;
char* outstr;
va_copy(hold, args);
len = vsnprintf(NULL, 0, format, args);
outstr = malloc(stream->length + len + 1);
if (stream->data) {
memcpy(outstr, stream->data, stream->length);
free(stream->data);
}
stream->data = outstr;
vsprintf(&stream->data[stream->length], format, hold);
stream->length += len;
return len;
}
int ssprintf(sstream_t* stream, const char* format, ...) {
int out;
va_list args;
va_start(args, format);
out = ssvprintf(stream, format, args);
va_end(args);
return out;
}