/src/capstonenext/SStream.c

Source
/* Capstone Disassembly Engine */
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */

#include <stdarg.h>
#if defined(CAPSTONE_HAS_OSXKERNEL)
#include <Availability.h>
#include <libkern/libkern.h>
#include <i386/limits.h>
#else
#include <stdio.h>
#include <limits.h>
#endif
#include <string.h>

#include <capstone/platform.h>

#include "SStream.h"
#include "cs_priv.h"
#include "utils.h"

static size_t SStream_remaining(SStream *ss)
{
  assert(ss);
  if (ss->index >= SSTREAM_BUF_LEN) {
    ss->index = SSTREAM_BUF_LEN - 1;
    ss->buffer[ss->index] = '\0';
    return 0;
  }
  return SSTREAM_BUF_LEN - ss->index - 1;
}

static void SStream_concat_raw(SStream *ss, const char *s, size_t len)
{
  size_t remaining = SStream_remaining(ss);
  if (len > remaining) {
    len = remaining;
  }
  if (len > 0) {
    memcpy(ss->buffer + ss->index, s, len);
    ss->index += len;
  }
  ss->buffer[ss->index] = '\0';
}

static void SStream_concat1_raw(SStream *ss, char c)
{
  if (SStream_remaining(ss) == 0) {
    return;
  }
  ss->buffer[ss->index] = c;
  ss->index++;
  ss->buffer[ss->index] = '\0';
}

static void SStream_close_markup(SStream *ss)
{
  if (ss->markup_stream && ss->prefixed_by_markup) {
    SStream_concat1_raw(ss, '>');
  }
}

void SStream_Init(SStream *ss)
{
  assert(ss);
  ss->index = 0;
  memset(ss->buffer, 0, sizeof(ss->buffer));
  ss->is_closed = false;
  ss->markup_stream = false;
  ss->prefixed_by_markup = false;
  ss->unsigned_num = false;
}

void SStream_opt_unum(SStream *ss, bool print_unsigned_numbers)
{
  assert(ss);
  ss->unsigned_num = print_unsigned_numbers;
}

/// Returns the a pointer to the internal string buffer of the stream.
/// For reading only.
const char *SStream_rbuf(const SStream *ss)
{
  assert(ss);
  return ss->buffer;
}

/// Searches in the stream for the first (from the left) occurrence of @elem and replaces
/// it with @repl. It returns the pointer *after* the replaced character
/// or NULL if no character was replaced.
///
/// It will never replace the final \0 byte in the stream buffer.
const char *SStream_replc(const SStream *ss, char elem, char repl)
{
  assert(ss);
  char *found = strchr(ss->buffer, elem);
  if (!found || found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
    return NULL;
  }
  *found = repl;
  found++;
  return found;
}

/// Searches in the stream for the first (from the left) occurrence of @chr and replaces
/// it with @rstr.
void SStream_replc_str(SStream *ss, char chr, const char *rstr)
{
  assert(ss && rstr);
  char *found = strchr(ss->buffer, chr);
  if (!found || found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
    return;
  }
  size_t post_len = strlen(found + 1);
  size_t buf_str_len = strlen(ss->buffer);
  size_t repl_len = strlen(rstr);
  if (repl_len - 1 + buf_str_len >= SSTREAM_BUF_LEN) {
    return;
  }
  memmove(found + repl_len, found + 1, post_len);
  memcpy(found, rstr, repl_len);
  ss->index = strlen(ss->buffer);
}

/// Removes the space characters '\t' and ' ' from the beginning of the stream buffer.
void SStream_trimls(SStream *ss)
{
  assert(ss);
  size_t buf_off = 0;
  /// Remove leading spaces
  while (ss->buffer[buf_off] == ' ' || ss->buffer[buf_off] == '\t') {
    buf_off++;
  }
  if (buf_off > 0) {
    memmove(ss->buffer, ss->buffer + buf_off,
      SSTREAM_BUF_LEN - buf_off);
    ss->index -= buf_off;
  }
}

/// Extract the mnemonic to @mnem_buf and the operand string into @op_str_buf from the stream buffer.
/// The mnemonic is everything up until the first ' ' or '\t' character.
/// The operand string is everything after the first ' ' or '\t' sequence.
void SStream_extract_mnem_opstr(const SStream *ss, char *mnem_buf,
        size_t mnem_buf_size, char *op_str_buf,
        size_t op_str_buf_size)
{
  assert(ss && mnem_buf && mnem_buf_size > 0 && op_str_buf &&
         op_str_buf_size > 0);
  size_t off = 0;
  // Copy all non space chars to as mnemonic.
  while (ss->buffer[off] && ss->buffer[off] != ' ' &&
         ss->buffer[off] != '\t') {
    if (off < mnem_buf_size - 1) {
      // Only copy if there is space left.
      mnem_buf[off] = ss->buffer[off];
    }
    off++;
  }
  if (!ss->buffer[off]) {
    return;
  }

  // Iterate until next non space char.
  do {
    off++;
  } while (ss->buffer[off] &&
     (ss->buffer[off] == ' ' || ss->buffer[off] == '\t'));

  if (!ss->buffer[off]) {
    return;
  }

  // Copy all follow up characters as op_str
  const char *ss_op_str = ss->buffer + off;
  off = 0;
  while (ss_op_str[off] && off < op_str_buf_size - 1) {
    op_str_buf[off] = ss_op_str[off];
    off++;
  }
}

/// Empty the stream @ss to given @file (stdin/stderr).
/// @file can be NULL. Then the buffer content is not emitted.
void SStream_Flush(SStream *ss, FILE *file)
{
  assert(ss);
  if (file) {
    fprintf(file, "%s\n", ss->buffer);
  }
  SStream_Init(ss);
}

/**
 * Open the output stream. Every write attempt is accepted again.
 */
void SStream_Open(SStream *ss)
{
  assert(ss);
  ss->is_closed = false;
}

/**
 * Closes the output stream. Every write attempt is ignored.
 */
void SStream_Close(SStream *ss)
{
  assert(ss);
  ss->is_closed = true;
}

/**
 * Copy the string \p s to the buffer of \p ss and terminate it with a '\\0' byte.
 */
void SStream_concat0(SStream *ss, const char *s)
{
#ifndef CAPSTONE_DIET
  assert(ss && s);
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (s[0] == '\0')
    return;

  SStream_concat_raw(ss, s, strlen(s));
  SStream_close_markup(ss);
#else
  ss->buffer[ss->index] = '\0';
#endif
}

/**
 * Copy the single char \p c to the buffer of \p ss.
 */
void SStream_concat1(SStream *ss, const char c)
{
#ifndef CAPSTONE_DIET
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (c == '\0')
    return;

  SStream_concat1_raw(ss, c);
  SStream_close_markup(ss);
#else
  ss->buffer[ss->index] = '\0';
#endif
}

/**
 * Copy all strings given to the buffer of \p ss according to formatting \p fmt.
 */
void SStream_concat(SStream *ss, const char *fmt, ...)
{
#ifndef CAPSTONE_DIET
  assert(ss && fmt);
  SSTREAM_RETURN_IF_CLOSED(ss);
  va_list ap;
  int ret;
  size_t remaining = SStream_remaining(ss);
  if (remaining == 0) {
    return;
  }

  va_start(ap, fmt);
  ret = cs_vsnprintf(ss->buffer + ss->index, remaining + 1, fmt, ap);
  va_end(ap);
  if (ret < 0) {
    ss->buffer[ss->index] = '\0';
    return;
  }
  if ((size_t)ret > remaining) {
    ss->index += remaining;
  } else {
    ss->index += (size_t)ret;
  }
  SStream_close_markup(ss);
#else
  ss->buffer[ss->index] = '\0';
#endif
}

// print number with prefix #
void printInt64Bang(SStream *ss, int64_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt64Bang(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat1(ss, '#');
  printInt64(ss, val);
}

void printUInt64Bang(SStream *ss, uint64_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat1(ss, '#');
  printUInt64(ss, val);
}

// print number
void printInt64(SStream *ss, int64_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt64(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    if (val > HEX_THRESHOLD)
      SStream_concat(ss, "0x%" PRIx64, val);
    else
      SStream_concat(ss, "%" PRIu64, val);
  } else {
    if (val < -HEX_THRESHOLD) {
      if (val == INT64_MIN)
        SStream_concat(ss, "-0x%" PRIx64,
                 (uint64_t)INT64_MAX + 1);
      else
        SStream_concat(ss, "-0x%" PRIx64,
                 (uint64_t)-val);
    } else
      SStream_concat(ss, "-%" PRIu64, -val);
  }
}

void printUInt64(SStream *ss, uint64_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val > HEX_THRESHOLD)
    SStream_concat(ss, "0x%" PRIx64, val);
  else
    SStream_concat(ss, "%" PRIu64, val);
}

// print number in decimal mode
void printInt32BangDec(SStream *ss, int32_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0)
    SStream_concat(ss, "#%" PRIu32, val);
  else {
    if (val == INT32_MIN)
      SStream_concat(ss, "#-%" PRIu32, val);
    else
      SStream_concat(ss, "#-%" PRIu32, (uint32_t)-val);
  }
}

void printInt32Bang(SStream *ss, int32_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt32Bang(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat1(ss, '#');
  printInt32(ss, val);
}

void printUInt8(SStream *ss, uint8_t val)
{
  assert(ss);
  if (val > HEX_THRESHOLD)
    SStream_concat(ss, "0x%" PRIx8, val);
  else
    SStream_concat(ss, "%" PRIu8, val);
}

void printUInt16(SStream *ss, uint16_t val)
{
  assert(ss);
  if (val > HEX_THRESHOLD)
    SStream_concat(ss, "0x%" PRIx16, val);
  else
    SStream_concat(ss, "%" PRIu16, val);
}

void printInt8(SStream *ss, int8_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt8(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    if (val > HEX_THRESHOLD)
      SStream_concat(ss, "0x%" PRIx8, val);
    else
      SStream_concat(ss, "%" PRId8, val);
  } else {
    if (val < -HEX_THRESHOLD) {
      if (val == INT8_MIN)
        SStream_concat(ss, "-0x%" PRIx8,
                 (uint8_t)INT8_MAX + 1);
      else
        SStream_concat(ss, "-0x%" PRIx8, (int8_t)-val);
    } else
      SStream_concat(ss, "-%" PRIu8, -val);
  }
}

void printInt16(SStream *ss, int16_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt16(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    if (val > HEX_THRESHOLD)
      SStream_concat(ss, "0x%" PRIx16, val);
    else
      SStream_concat(ss, "%" PRId16, val);
  } else {
    if (val < -HEX_THRESHOLD) {
      if (val == INT16_MIN)
        SStream_concat(ss, "-0x%" PRIx16,
                 (uint16_t)INT16_MAX + 1);
      else
        SStream_concat(ss, "-0x%" PRIx16,
                 (int16_t)-val);
    } else
      SStream_concat(ss, "-%" PRIu16, -val);
  }
}

void printInt16HexOffset(SStream *ss, int16_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt16(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    SStream_concat(ss, "+0x%" PRIx16, val);
  } else {
    if (val == INT16_MIN)
      SStream_concat(ss, "-0x%" PRIx16,
               (uint16_t)INT16_MAX + 1);
    else
      SStream_concat(ss, "-0x%" PRIx16, (int16_t)-val);
  }
}

void printInt32(SStream *ss, int32_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt32(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    if (val > HEX_THRESHOLD)
      SStream_concat(ss, "0x%" PRIx32, val);
    else
      SStream_concat(ss, "%" PRId32, val);
  } else {
    if (val < -HEX_THRESHOLD) {
      if (val == INT32_MIN)
        SStream_concat(ss, "-0x%" PRIx32,
                 (uint32_t)INT32_MAX + 1);
      else
        SStream_concat(ss, "-0x%" PRIx32,
                 (int32_t)-val);
    } else {
      SStream_concat(ss, "-%" PRIu32, (uint32_t)-val);
    }
  }
}

void printInt32HexOffset(SStream *ss, int32_t val)
{
  assert(ss);
  if (ss->unsigned_num) {
    printUInt32(ss, val);
    return;
  }
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    SStream_concat(ss, "+0x%" PRIx32, val);
  } else {
    if (val == INT32_MIN)
      SStream_concat(ss, "-0x%" PRIx32,
               (uint32_t)INT32_MAX + 1);
    else
      SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
  }
}

void printInt32Hex(SStream *ss, int32_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val >= 0) {
    SStream_concat(ss, "0x%" PRIx32, val);
  } else {
    if (val == INT32_MIN)
      SStream_concat(ss, "-0x%" PRIx32,
               (uint32_t)INT32_MAX + 1);
    else
      SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
  }
}

void printUInt32Bang(SStream *ss, uint32_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat1(ss, '#');
  printUInt32(ss, val);
}

void printUInt32(SStream *ss, uint32_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  if (val > HEX_THRESHOLD)
    SStream_concat(ss, "0x%x", val);
  else
    SStream_concat(ss, "%u", val);
}

void printFloat(SStream *ss, float val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat(ss, "%e", val);
}

void printfFloat(SStream *ss, const char *fmt, float val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat(ss, fmt, val);
}

void printFloatBang(SStream *ss, float val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat(ss, "#%e", val);
}

void printExpr(SStream *ss, uint64_t val)
{
  assert(ss);
  SSTREAM_RETURN_IF_CLOSED(ss);
  SStream_concat(ss, "%" PRIu64, val);
}

SStream *markup_OS(SStream *OS, SStreamMarkup style)
{
  assert(OS);

  if (OS->is_closed || !OS->markup_stream) {
    return OS;
  }
  OS->markup_stream = false; // Disable temporarily.
  switch (style) {
  default:
    SStream_concat0(OS, "<UNKNOWN:");
    return OS;
  case Markup_Immediate:
    SStream_concat0(OS, "<imm:");
    break;
  case Markup_Register:
    SStream_concat0(OS, "<reg:");
    break;
  case Markup_Target:
    SStream_concat0(OS, "<tar:");
    break;
  case Markup_Memory:
    SStream_concat0(OS, "<mem:");
    break;
  }
  OS->markup_stream = true;
  OS->prefixed_by_markup = true;
  return OS;
}

Coverage Report

Created: 2026-09-01 07:20

Line	Count	Source
1		/* Capstone Disassembly Engine */
2		/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */
3
4		#include <stdarg.h>
5		#if defined(CAPSTONE_HAS_OSXKERNEL)
6		#include <Availability.h>
7		#include <libkern/libkern.h>
8		#include <i386/limits.h>
9		#else
10		#include <stdio.h>
11		#include <limits.h>
12		#endif
13		#include <string.h>
14
15		#include <capstone/platform.h>
16
17		#include "SStream.h"
18		#include "cs_priv.h"
19		#include "utils.h"
20
21		static size_t SStream_remaining(SStream *ss)
22	23.6M	{
23	23.6M	assert(ss);
24	23.6M	if (ss->index >= SSTREAM_BUF_LEN) {
25	0	ss->index = SSTREAM_BUF_LEN - 1;
26	0	ss->buffer[ss->index] = '\0';
27	0	return 0;
28	0	}
29	23.6M	return SSTREAM_BUF_LEN - ss->index - 1;
30	23.6M	}
31
32		static void SStream_concat_raw(SStream ss, const char s, size_t len)
33	13.1M	{
34	13.1M	size_t remaining = SStream_remaining(ss);
35	13.1M	if (len > remaining) {
36	0	len = remaining;
37	0	}
38	13.1M	if (len > 0) {
39	13.1M	memcpy(ss->buffer + ss->index, s, len);
40	13.1M	ss->index += len;
41	13.1M	}
42	13.1M	ss->buffer[ss->index] = '\0';
43	13.1M	}
44
45		static void SStream_concat1_raw(SStream *ss, char c)
46	2.00M	{
47	2.00M	if (SStream_remaining(ss) == 0) {
48	0	return;
49	0	}
50	2.00M	ss->buffer[ss->index] = c;
51	2.00M	ss->index++;
52	2.00M	ss->buffer[ss->index] = '\0';
53	2.00M	}
54
55		static void SStream_close_markup(SStream *ss)
56	23.6M	{
57	23.6M	if (ss->markup_stream && ss->prefixed_by_markup) {
58	0	SStream_concat1_raw(ss, '>');
59	0	}
60	23.6M	}
61
62		void SStream_Init(SStream *ss)
63	3.46M	{
64	3.46M	assert(ss);
65	3.46M	ss->index = 0;
66	3.46M	memset(ss->buffer, 0, sizeof(ss->buffer));
67	3.46M	ss->is_closed = false;
68	3.46M	ss->markup_stream = false;
69	3.46M	ss->prefixed_by_markup = false;
70	3.46M	ss->unsigned_num = false;
71	3.46M	}
72
73		void SStream_opt_unum(SStream *ss, bool print_unsigned_numbers)
74	3.36M	{
75	3.36M	assert(ss);
76	3.36M	ss->unsigned_num = print_unsigned_numbers;
77	3.36M	}
78
79		/// Returns the a pointer to the internal string buffer of the stream.
80		/// For reading only.
81		const char SStream_rbuf(const SStream ss)
82	136k	{
83	136k	assert(ss);
84	136k	return ss->buffer;
85	136k	}
86
87		/// Searches in the stream for the first (from the left) occurrence of @elem and replaces
88		/// it with @repl. It returns the pointer after the replaced character
89		/// or NULL if no character was replaced.
90		///
91		/// It will never replace the final \0 byte in the stream buffer.
92		const char SStream_replc(const SStream ss, char elem, char repl)
93	123k	{
94	123k	assert(ss);
95	123k	char *found = strchr(ss->buffer, elem);
96	123k	if (!found \|\| found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
97	123k	return NULL;
98	123k	}
99	0	*found = repl;
100	0	found++;
101	0	return found;
102	123k	}
103
104		/// Searches in the stream for the first (from the left) occurrence of @chr and replaces
105		/// it with @rstr.
106		void SStream_replc_str(SStream ss, char chr, const char rstr)
107	33.5k	{
108	33.5k	assert(ss && rstr);
109	33.5k	char *found = strchr(ss->buffer, chr);
110	33.5k	if (!found \|\| found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
111	0	return;
112	0	}
113	33.5k	size_t post_len = strlen(found + 1);
114	33.5k	size_t buf_str_len = strlen(ss->buffer);
115	33.5k	size_t repl_len = strlen(rstr);
116	33.5k	if (repl_len - 1 + buf_str_len >= SSTREAM_BUF_LEN) {
117	0	return;
118	0	}
119	33.5k	memmove(found + repl_len, found + 1, post_len);
120	33.5k	memcpy(found, rstr, repl_len);
121	33.5k	ss->index = strlen(ss->buffer);
122	33.5k	}
123
124		/// Removes the space characters '\t' and ' ' from the beginning of the stream buffer.
125		void SStream_trimls(SStream *ss)
126	3.48M	{
127	3.48M	assert(ss);
128	3.48M	size_t buf_off = 0;
129		/// Remove leading spaces
130	3.54M	while (ss->buffer[buf_off] == ' ' \|\| ss->buffer[buf_off] == '\t') {
131	53.9k	buf_off++;
132	53.9k	}
133	3.48M	if (buf_off > 0) {
134	53.9k	memmove(ss->buffer, ss->buffer + buf_off,
135	53.9k	SSTREAM_BUF_LEN - buf_off);
136	53.9k	ss->index -= buf_off;
137	53.9k	}
138	3.48M	}
139
140		/// Extract the mnemonic to @mnem_buf and the operand string into @op_str_buf from the stream buffer.
141		/// The mnemonic is everything up until the first ' ' or '\t' character.
142		/// The operand string is everything after the first ' ' or '\t' sequence.
143		void SStream_extract_mnem_opstr(const SStream ss, char mnem_buf,
144		size_t mnem_buf_size, char *op_str_buf,
145		size_t op_str_buf_size)
146	3.36M	{
147	3.36M	assert(ss && mnem_buf && mnem_buf_size > 0 && op_str_buf &&
148	3.36M	op_str_buf_size > 0);
149	3.36M	size_t off = 0;
150		// Copy all non space chars to as mnemonic.
151	18.7M	while (ss->buffer[off] && ss->buffer[off] != ' ' &&
152	17.8M	ss->buffer[off] != '\t') {
153	15.3M	if (off < mnem_buf_size - 1) {
154		// Only copy if there is space left.
155	15.3M	mnem_buf[off] = ss->buffer[off];
156	15.3M	}
157	15.3M	off++;
158	15.3M	}
159	3.36M	if (!ss->buffer[off]) {
160	165k	return;
161	165k	}
162
163		// Iterate until next non space char.
164	3.19M	do {
165	3.19M	off++;
166	3.19M	} while (ss->buffer[off] &&
167	3.13M	(ss->buffer[off] == ' ' \|\| ss->buffer[off] == '\t'));
168
169	3.19M	if (!ss->buffer[off]) {
170	59.7k	return;
171	59.7k	}
172
173		// Copy all follow up characters as op_str
174	3.13M	const char *ss_op_str = ss->buffer + off;
175	3.13M	off = 0;
176	43.9M	while (ss_op_str[off] && off < op_str_buf_size - 1) {
177	40.8M	op_str_buf[off] = ss_op_str[off];
178	40.8M	off++;
179	40.8M	}
180	3.13M	}
181
182		/// Empty the stream @ss to given @file (stdin/stderr).
183		/// @file can be NULL. Then the buffer content is not emitted.
184		void SStream_Flush(SStream ss, FILE file)
185	34.2k	{
186	34.2k	assert(ss);
187	34.2k	if (file) {
188	0	fprintf(file, "%s\n", ss->buffer);
189	0	}
190	34.2k	SStream_Init(ss);
191	34.2k	}
192
193		/**
194		* Open the output stream. Every write attempt is accepted again.
195		*/
196		void SStream_Open(SStream *ss)
197	0	{
198	0	assert(ss);
199	0	ss->is_closed = false;
200	0	}
201
202		/**
203		* Closes the output stream. Every write attempt is ignored.
204		*/
205		void SStream_Close(SStream *ss)
206	0	{
207	0	assert(ss);
208	0	ss->is_closed = true;
209	0	}
210
211		/**
212		* Copy the string \p s to the buffer of \p ss and terminate it with a '\\0' byte.
213		*/
214		void SStream_concat0(SStream ss, const char s)
215	18.8M	{
216	18.8M	#ifndef CAPSTONE_DIET
217	18.8M	assert(ss && s);
218	18.8M	SSTREAM_RETURN_IF_CLOSED(ss);
219	18.8M	if (s[0] == '\0')
220	5.65M	return;
221
222	13.1M	SStream_concat_raw(ss, s, strlen(s));
223	13.1M	SStream_close_markup(ss);
224		#else
225		ss->buffer[ss->index] = '\0';
226		#endif
227	13.1M	}
228
229		/**
230		* Copy the single char \p c to the buffer of \p ss.
231		*/
232		void SStream_concat1(SStream *ss, const char c)
233	2.01M	{
234	2.01M	#ifndef CAPSTONE_DIET
235	2.01M	assert(ss);
236	2.01M	SSTREAM_RETURN_IF_CLOSED(ss);
237	2.01M	if (c == '\0')
238	18.7k	return;
239
240	2.00M	SStream_concat1_raw(ss, c);
241	2.00M	SStream_close_markup(ss);
242		#else
243		ss->buffer[ss->index] = '\0';
244		#endif
245	2.00M	}
246
247		/**
248		* Copy all strings given to the buffer of \p ss according to formatting \p fmt.
249		*/
250		void SStream_concat(SStream ss, const char fmt, ...)
251	8.42M	{
252	8.42M	#ifndef CAPSTONE_DIET
253	8.42M	assert(ss && fmt);
254	8.42M	SSTREAM_RETURN_IF_CLOSED(ss);
255	8.42M	va_list ap;
256	8.42M	int ret;
257	8.42M	size_t remaining = SStream_remaining(ss);
258	8.42M	if (remaining == 0) {
259	0	return;
260	0	}
261
262	8.42M	va_start(ap, fmt);
263	8.42M	ret = cs_vsnprintf(ss->buffer + ss->index, remaining + 1, fmt, ap);
264	8.42M	va_end(ap);
265	8.42M	if (ret < 0) {
266	0	ss->buffer[ss->index] = '\0';
267	0	return;
268	0	}
269	8.42M	if ((size_t)ret > remaining) {
270	0	ss->index += remaining;
271	8.42M	} else {
272	8.42M	ss->index += (size_t)ret;
273	8.42M	}
274	8.42M	SStream_close_markup(ss);
275		#else
276		ss->buffer[ss->index] = '\0';
277		#endif
278	8.42M	}
279
280		// print number with prefix #
281		void printInt64Bang(SStream *ss, int64_t val)
282	71.9k	{
283	71.9k	assert(ss);
284	71.9k	if (ss->unsigned_num) {
285	0	printUInt64Bang(ss, val);
286	0	return;
287	0	}
288	71.9k	SSTREAM_RETURN_IF_CLOSED(ss);
289	71.9k	SStream_concat1(ss, '#');
290	71.9k	printInt64(ss, val);
291	71.9k	}
292
293		void printUInt64Bang(SStream *ss, uint64_t val)
294	10.2k	{
295	10.2k	assert(ss);
296	10.2k	SSTREAM_RETURN_IF_CLOSED(ss);
297	10.2k	SStream_concat1(ss, '#');
298	10.2k	printUInt64(ss, val);
299	10.2k	}
300
301		// print number
302		void printInt64(SStream *ss, int64_t val)
303	741k	{
304	741k	assert(ss);
305	741k	if (ss->unsigned_num) {
306	0	printUInt64(ss, val);
307	0	return;
308	0	}
309	741k	SSTREAM_RETURN_IF_CLOSED(ss);
310	741k	if (val >= 0) {
311	674k	if (val > HEX_THRESHOLD)
312	433k	SStream_concat(ss, "0x%" PRIx64, val);
313	241k	else
314	241k	SStream_concat(ss, "%" PRIu64, val);
315	674k	} else {
316	66.7k	if (val < -HEX_THRESHOLD) {
317	61.7k	if (val == INT64_MIN)
318	17	SStream_concat(ss, "-0x%" PRIx64,
319	17	(uint64_t)INT64_MAX + 1);
320	61.7k	else
321	61.7k	SStream_concat(ss, "-0x%" PRIx64,
322	61.7k	(uint64_t)-val);
323	61.7k	} else
324	5.00k	SStream_concat(ss, "-%" PRIu64, -val);
325	66.7k	}
326	741k	}
327
328		void printUInt64(SStream *ss, uint64_t val)
329	199k	{
330	199k	assert(ss);
331	199k	SSTREAM_RETURN_IF_CLOSED(ss);
332	199k	if (val > HEX_THRESHOLD)
333	137k	SStream_concat(ss, "0x%" PRIx64, val);
334	62.3k	else
335	62.3k	SStream_concat(ss, "%" PRIu64, val);
336	199k	}
337
338		// print number in decimal mode
339		void printInt32BangDec(SStream *ss, int32_t val)
340		{
341		assert(ss);
342		SSTREAM_RETURN_IF_CLOSED(ss);
343		if (val >= 0)
344		SStream_concat(ss, "#%" PRIu32, val);
345		else {
346		if (val == INT32_MIN)
347		SStream_concat(ss, "#-%" PRIu32, val);
348		else
349		SStream_concat(ss, "#-%" PRIu32, (uint32_t)-val);
350		}
351		}
352
353		void printInt32Bang(SStream *ss, int32_t val)
354	179k	{
355	179k	assert(ss);
356	179k	if (ss->unsigned_num) {
357	0	printUInt32Bang(ss, val);
358	0	return;
359	0	}
360	179k	SSTREAM_RETURN_IF_CLOSED(ss);
361	179k	SStream_concat1(ss, '#');
362	179k	printInt32(ss, val);
363	179k	}
364
365		void printUInt8(SStream *ss, uint8_t val)
366	0	{
367	0	assert(ss);
368	0	if (val > HEX_THRESHOLD)
369	0	SStream_concat(ss, "0x%" PRIx8, val);
370	0	else
371	0	SStream_concat(ss, "%" PRIu8, val);
372	0	}
373
374		void printUInt16(SStream *ss, uint16_t val)
375	0	{
376	0	assert(ss);
377	0	if (val > HEX_THRESHOLD)
378	0	SStream_concat(ss, "0x%" PRIx16, val);
379	0	else
380	0	SStream_concat(ss, "%" PRIu16, val);
381	0	}
382
383		void printInt8(SStream *ss, int8_t val)
384	1.70k	{
385	1.70k	assert(ss);
386	1.70k	if (ss->unsigned_num) {
387	0	printUInt8(ss, val);
388	0	return;
389	0	}
390	1.70k	SSTREAM_RETURN_IF_CLOSED(ss);
391	1.70k	if (val >= 0) {
392	949	if (val > HEX_THRESHOLD)
393	433	SStream_concat(ss, "0x%" PRIx8, val);
394	516	else
395	516	SStream_concat(ss, "%" PRId8, val);
396	949	} else {
397	758	if (val < -HEX_THRESHOLD) {
398	691	if (val == INT8_MIN)
399	301	SStream_concat(ss, "-0x%" PRIx8,
400	301	(uint8_t)INT8_MAX + 1);
401	390	else
402	390	SStream_concat(ss, "-0x%" PRIx8, (int8_t)-val);
403	691	} else
404	67	SStream_concat(ss, "-%" PRIu8, -val);
405	758	}
406	1.70k	}
407
408		void printInt16(SStream *ss, int16_t val)
409	3.02k	{
410	3.02k	assert(ss);
411	3.02k	if (ss->unsigned_num) {
412	0	printUInt16(ss, val);
413	0	return;
414	0	}
415	3.02k	SSTREAM_RETURN_IF_CLOSED(ss);
416	3.02k	if (val >= 0) {
417	1.99k	if (val > HEX_THRESHOLD)
418	1.44k	SStream_concat(ss, "0x%" PRIx16, val);
419	549	else
420	549	SStream_concat(ss, "%" PRId16, val);
421	1.99k	} else {
422	1.03k	if (val < -HEX_THRESHOLD) {
423	951	if (val == INT16_MIN)
424	18	SStream_concat(ss, "-0x%" PRIx16,
425	18	(uint16_t)INT16_MAX + 1);
426	933	else
427	933	SStream_concat(ss, "-0x%" PRIx16,
428	933	(int16_t)-val);
429	951	} else
430	81	SStream_concat(ss, "-%" PRIu16, -val);
431	1.03k	}
432	3.02k	}
433
434		void printInt16HexOffset(SStream *ss, int16_t val)
435	6.64k	{
436	6.64k	assert(ss);
437	6.64k	if (ss->unsigned_num) {
438	0	printUInt16(ss, val);
439	0	return;
440	0	}
441	6.64k	SSTREAM_RETURN_IF_CLOSED(ss);
442	6.64k	if (val >= 0) {
443	5.01k	SStream_concat(ss, "+0x%" PRIx16, val);
444	5.01k	} else {
445	1.62k	if (val == INT16_MIN)
446	45	SStream_concat(ss, "-0x%" PRIx16,
447	45	(uint16_t)INT16_MAX + 1);
448	1.57k	else
449	1.57k	SStream_concat(ss, "-0x%" PRIx16, (int16_t)-val);
450	1.62k	}
451	6.64k	}
452
453		void printInt32(SStream *ss, int32_t val)
454	254k	{
455	254k	assert(ss);
456	254k	if (ss->unsigned_num) {
457	0	printUInt32(ss, val);
458	0	return;
459	0	}
460	254k	SSTREAM_RETURN_IF_CLOSED(ss);
461	254k	if (val >= 0) {
462	192k	if (val > HEX_THRESHOLD)
463	117k	SStream_concat(ss, "0x%" PRIx32, val);
464	75.2k	else
465	75.2k	SStream_concat(ss, "%" PRId32, val);
466	192k	} else {
467	62.1k	if (val < -HEX_THRESHOLD) {
468	59.1k	if (val == INT32_MIN)
469	88	SStream_concat(ss, "-0x%" PRIx32,
470	88	(uint32_t)INT32_MAX + 1);
471	59.0k	else
472	59.0k	SStream_concat(ss, "-0x%" PRIx32,
473	59.0k	(int32_t)-val);
474	59.1k	} else {
475	2.96k	SStream_concat(ss, "-%" PRIu32, (uint32_t)-val);
476	2.96k	}
477	62.1k	}
478	254k	}
479
480		void printInt32HexOffset(SStream *ss, int32_t val)
481	585	{
482	585	assert(ss);
483	585	if (ss->unsigned_num) {
484	0	printUInt32(ss, val);
485	0	return;
486	0	}
487	585	SSTREAM_RETURN_IF_CLOSED(ss);
488	585	if (val >= 0) {
489	411	SStream_concat(ss, "+0x%" PRIx32, val);
490	411	} else {
491	174	if (val == INT32_MIN)
492	38	SStream_concat(ss, "-0x%" PRIx32,
493	38	(uint32_t)INT32_MAX + 1);
494	136	else
495	136	SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
496	174	}
497	585	}
498
499		void printInt32Hex(SStream *ss, int32_t val)
500	4.35k	{
501	4.35k	assert(ss);
502	4.35k	SSTREAM_RETURN_IF_CLOSED(ss);
503	4.35k	if (val >= 0) {
504	2.45k	SStream_concat(ss, "0x%" PRIx32, val);
505	2.45k	} else {
506	1.90k	if (val == INT32_MIN)
507	6	SStream_concat(ss, "-0x%" PRIx32,
508	6	(uint32_t)INT32_MAX + 1);
509	1.89k	else
510	1.89k	SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
511	1.90k	}
512	4.35k	}
513
514		void printUInt32Bang(SStream *ss, uint32_t val)
515	199k	{
516	199k	assert(ss);
517	199k	SSTREAM_RETURN_IF_CLOSED(ss);
518	199k	SStream_concat1(ss, '#');
519	199k	printUInt32(ss, val);
520	199k	}
521
522		void printUInt32(SStream *ss, uint32_t val)
523	297k	{
524	297k	assert(ss);
525	297k	SSTREAM_RETURN_IF_CLOSED(ss);
526	297k	if (val > HEX_THRESHOLD)
527	228k	SStream_concat(ss, "0x%x", val);
528	68.9k	else
529	68.9k	SStream_concat(ss, "%u", val);
530	297k	}
531
532		void printFloat(SStream *ss, float val)
533	0	{
534	0	assert(ss);
535	0	SSTREAM_RETURN_IF_CLOSED(ss);
536	0	SStream_concat(ss, "%e", val);
537	0	}
538
539		void printfFloat(SStream ss, const char fmt, float val)
540	235	{
541	235	assert(ss);
542	235	SSTREAM_RETURN_IF_CLOSED(ss);
543	235	SStream_concat(ss, fmt, val);
544	235	}
545
546		void printFloatBang(SStream *ss, float val)
547	689	{
548	689	assert(ss);
549	689	SSTREAM_RETURN_IF_CLOSED(ss);
550	689	SStream_concat(ss, "#%e", val);
551	689	}
552
553		void printExpr(SStream *ss, uint64_t val)
554	0	{
555	0	assert(ss);
556	0	SSTREAM_RETURN_IF_CLOSED(ss);
557	0	SStream_concat(ss, "%" PRIu64, val);
558	0	}
559
560		SStream markup_OS(SStream OS, SStreamMarkup style)
561	655k	{
562	655k	assert(OS);
563
564	655k	if (OS->is_closed \|\| !OS->markup_stream) {
565	655k	return OS;
566	655k	}
567	0	OS->markup_stream = false; // Disable temporarily.
568	0	switch (style) {
569	0	default:
570	0	SStream_concat0(OS, "<UNKNOWN:");
571	0	return OS;
572	0	case Markup_Immediate:
573	0	SStream_concat0(OS, "<imm:");
574	0	break;
575	0	case Markup_Register:
576	0	SStream_concat0(OS, "<reg:");
577	0	break;
578	0	case Markup_Target:
579	0	SStream_concat0(OS, "<tar:");
580	0	break;
581	0	case Markup_Memory:
582	0	SStream_concat0(OS, "<mem:");
583	0	break;
584	0	}
585	0	OS->markup_stream = true;
586		OS->prefixed_by_markup = true;
587	0	return OS;
588	0	}