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SStream.c
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SStream.c
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/* Capstone Disassembly Engine */
/* By Nguyen Anh Quynh <[email protected]>, 2013-2014 */
#include <stdint.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include "SStream.h"
#include "cs_priv.h"
#include "inttypes.h"
#include "utils.h"
#ifdef _MSC_VER
#pragma warning(disable: 4996) // disable MSVC's warning on strcpy()
#endif
void SStream_Init(SStream *ss)
{
ss->index = 0;
ss->buffer[0] = '\0';
}
void SStream_concat0(SStream *ss, char *s)
{
#ifndef CAPSTONE_DIET
unsigned int len = (unsigned int) strlen(s);
memcpy(ss->buffer + ss->index, s, len);
ss->index += len;
ss->buffer[ss->index] = '\0';
#endif
}
void SStream_concat(SStream *ss, const char *fmt, ...)
{
#ifndef CAPSTONE_DIET
va_list ap;
int ret;
va_start(ap, fmt);
ret = cs_vsnprintf(ss->buffer + ss->index, sizeof(ss->buffer) - (ss->index + 1), fmt, ap);
va_end(ap);
ss->index += ret;
#endif
}
// print number with prefix #
void printInt64Bang(SStream *O, int64_t val)
{
if (val >= 0) {
if (val > HEX_THRESHOLD)
SStream_concat(O, "#0x%"PRIx64, val);
else
SStream_concat(O, "#%"PRIu64, val);
} else {
if (val <- HEX_THRESHOLD)
SStream_concat(O, "#-0x%"PRIx64, -val);
else
SStream_concat(O, "#-%"PRIu64, -val);
}
}
// print number
void printInt64(SStream *O, int64_t val)
{
if (val >= 0) {
if (val > HEX_THRESHOLD)
SStream_concat(O, "0x%"PRIx64, val);
else
SStream_concat(O, "%"PRIu64, val);
} else {
if (val <- HEX_THRESHOLD)
SStream_concat(O, "-0x%"PRIx64, -val);
else
SStream_concat(O, "-%"PRIu64, -val);
}
}
// print number in decimal mode
void printInt32BangDec(SStream *O, int32_t val)
{
if (val >= 0)
SStream_concat(O, "#%u", val);
else
SStream_concat(O, "#-%u", -val);
}
void printInt32Bang(SStream *O, int32_t val)
{
if (val >= 0) {
if (val > HEX_THRESHOLD)
SStream_concat(O, "#0x%x", val);
else
SStream_concat(O, "#%u", val);
} else {
if (val <- HEX_THRESHOLD)
SStream_concat(O, "#-0x%x", -val);
else
SStream_concat(O, "#-%u", -val);
}
}
void printInt32(SStream *O, int32_t val)
{
if (val >= 0) {
if (val > HEX_THRESHOLD)
SStream_concat(O, "0x%x", val);
else
SStream_concat(O, "%u", val);
} else {
if (val <- HEX_THRESHOLD)
SStream_concat(O, "-0x%x", -val);
else
SStream_concat(O, "-%u", -val);
}
}
void printUInt32Bang(SStream *O, uint32_t val)
{
if (val > HEX_THRESHOLD)
SStream_concat(O, "#0x%x", val);
else
SStream_concat(O, "#%u", val);
}
void printUInt32(SStream *O, uint32_t val)
{
if (val > HEX_THRESHOLD)
SStream_concat(O, "0x%x", val);
else
SStream_concat(O, "%u", val);
}
/*
int main()
{
SStream ss;
int64_t i;
SStream_Init(&ss);
SStream_concat(&ss, "hello ");
SStream_concat(&ss, "%d - 0x%x", 200, 16);
i = 123;
SStream_concat(&ss, " + %ld", i);
SStream_concat(&ss, "%s", "haaaaa");
printf("%s\n", ss.buffer);
return 0;
}
*/