mirror of
https://github.com/capstone-engine/capstone.git
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189 lines
3.6 KiB
C
189 lines
3.6 KiB
C
/* Capstone Disassembly Engine */
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/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2015 */
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#include <stdarg.h>
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#if defined(CAPSTONE_HAS_OSXKERNEL)
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#include <Availability.h>
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#include <libkern/libkern.h>
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#include <i386/limits.h>
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#else
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#include <stdio.h>
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#include <limits.h>
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#endif
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#include <string.h>
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#include <capstone/platform.h>
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#include "SStream.h"
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#include "cs_priv.h"
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#include "utils.h"
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#ifdef _MSC_VER
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#pragma warning(disable: 4996) // disable MSVC's warning on strcpy()
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#endif
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void SStream_Init(SStream *ss)
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{
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ss->index = 0;
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ss->buffer[0] = '\0';
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}
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void SStream_concat0(SStream *ss, const char *s)
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{
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#ifndef CAPSTONE_DIET
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unsigned int len = (unsigned int) strlen(s);
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memcpy(ss->buffer + ss->index, s, len);
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ss->index += len;
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ss->buffer[ss->index] = '\0';
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#endif
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}
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void SStream_concat(SStream *ss, const char *fmt, ...)
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{
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#ifndef CAPSTONE_DIET
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va_list ap;
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int ret;
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va_start(ap, fmt);
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ret = cs_vsnprintf(ss->buffer + ss->index, sizeof(ss->buffer) - (ss->index + 1), fmt, ap);
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va_end(ap);
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ss->index += ret;
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#endif
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}
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// print number with prefix #
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void printInt64Bang(SStream *O, int64_t val)
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{
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if (val >= 0) {
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "#0x%"PRIx64, val);
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else
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SStream_concat(O, "#%"PRIu64, val);
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} else {
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if (val <- HEX_THRESHOLD) {
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if (val == LONG_MIN)
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SStream_concat(O, "#-0x%"PRIx64, (uint64_t)val);
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else
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SStream_concat(O, "#-0x%"PRIx64, (uint64_t)-val);
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}
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else
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SStream_concat(O, "#-%"PRIu64, -val);
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}
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}
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void printUInt64Bang(SStream *O, uint64_t val)
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{
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "#0x%"PRIx64, val);
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else
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SStream_concat(O, "#%"PRIu64, val);
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}
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// print number
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void printInt64(SStream *O, int64_t val)
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{
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if (val >= 0) {
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "0x%"PRIx64, val);
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else
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SStream_concat(O, "%"PRIu64, val);
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} else {
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if (val <- HEX_THRESHOLD) {
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if (val == LONG_MIN)
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SStream_concat(O, "-0x%"PRIx64, (uint64_t)val);
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else
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SStream_concat(O, "-0x%"PRIx64, (uint64_t)-val);
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}
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else
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SStream_concat(O, "-%"PRIu64, -val);
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}
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}
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// print number in decimal mode
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void printInt32BangDec(SStream *O, int32_t val)
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{
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if (val >= 0)
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SStream_concat(O, "#%u", val);
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else
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if (val == INT_MIN)
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SStream_concat(O, "#-%u", val);
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else
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SStream_concat(O, "#-%u", (uint32_t)-val);
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}
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void printInt32Bang(SStream *O, int32_t val)
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{
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if (val >= 0) {
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "#0x%x", val);
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else
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SStream_concat(O, "#%u", val);
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} else {
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if (val <- HEX_THRESHOLD) {
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if (val == INT_MIN)
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SStream_concat(O, "#-0x%x", (uint32_t)val);
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else
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SStream_concat(O, "#-0x%x", (uint32_t)-val);
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}
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else
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SStream_concat(O, "#-%u", -val);
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}
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}
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void printInt32(SStream *O, int32_t val)
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{
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if (val >= 0) {
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "0x%x", val);
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else
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SStream_concat(O, "%u", val);
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} else {
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if (val <- HEX_THRESHOLD) {
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if (val == INT_MIN)
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SStream_concat(O, "-0x%x", (uint32_t)val);
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else
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SStream_concat(O, "-0x%x", (uint32_t)-val);
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}
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else
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SStream_concat(O, "-%u", -val);
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}
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}
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void printUInt32Bang(SStream *O, uint32_t val)
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{
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "#0x%x", val);
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else
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SStream_concat(O, "#%u", val);
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}
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void printUInt32(SStream *O, uint32_t val)
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{
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if (val > HEX_THRESHOLD)
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SStream_concat(O, "0x%x", val);
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else
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SStream_concat(O, "%u", val);
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}
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/*
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int main()
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{
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SStream ss;
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int64_t i;
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SStream_Init(&ss);
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SStream_concat(&ss, "hello ");
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SStream_concat(&ss, "%d - 0x%x", 200, 16);
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i = 123;
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SStream_concat(&ss, " + %ld", i);
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SStream_concat(&ss, "%s", "haaaaa");
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printf("%s\n", ss.buffer);
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return 0;
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}
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*/
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