/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: 2026-06-06 06:15

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	15.6M	{
23	15.6M	assert(ss);
24	15.6M	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	15.6M	return SSTREAM_BUF_LEN - ss->index - 1;
30	15.6M	}
31
32		static void SStream_concat_raw(SStream ss, const char s, size_t len)
33	8.65M	{
34	8.65M	size_t remaining = SStream_remaining(ss);
35	8.65M	if (len > remaining) {
36	0	len = remaining;
37	0	}
38	8.65M	if (len > 0) {
39	8.65M	memcpy(ss->buffer + ss->index, s, len);
40	8.65M	ss->index += len;
41	8.65M	}
42	8.65M	ss->buffer[ss->index] = '\0';
43	8.65M	}
44
45		static void SStream_concat1_raw(SStream *ss, char c)
46	1.44M	{
47	1.44M	if (SStream_remaining(ss) == 0) {
48	0	return;
49	0	}
50	1.44M	ss->buffer[ss->index] = c;
51	1.44M	ss->index++;
52	1.44M	ss->buffer[ss->index] = '\0';
53	1.44M	}
54
55		static void SStream_close_markup(SStream *ss)
56	15.6M	{
57	15.6M	if (ss->markup_stream && ss->prefixed_by_markup) {
58	0	SStream_concat1_raw(ss, '>');
59	0	}
60	15.6M	}
61
62		void SStream_Init(SStream *ss)
63	2.18M	{
64	2.18M	assert(ss);
65	2.18M	ss->index = 0;
66	2.18M	memset(ss->buffer, 0, sizeof(ss->buffer));
67	2.18M	ss->is_closed = false;
68	2.18M	ss->markup_stream = false;
69	2.18M	ss->prefixed_by_markup = false;
70	2.18M	ss->unsigned_num = false;
71	2.18M	}
72
73		void SStream_opt_unum(SStream *ss, bool print_unsigned_numbers)
74	2.12M	{
75	2.12M	assert(ss);
76	2.12M	ss->unsigned_num = print_unsigned_numbers;
77	2.12M	}
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	80.8k	{
83	80.8k	assert(ss);
84	80.8k	return ss->buffer;
85	80.8k	}
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	68.7k	{
94	68.7k	assert(ss);
95	68.7k	char *found = strchr(ss->buffer, elem);
96	68.7k	if (!found \|\| found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
97	68.7k	return NULL;
98	68.7k	}
99	0	*found = repl;
100	0	found++;
101	0	return found;
102	68.7k	}
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	19.9k	{
108	19.9k	assert(ss && rstr);
109	19.9k	char *found = strchr(ss->buffer, chr);
110	19.9k	if (!found \|\| found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
111	0	return;
112	0	}
113	19.9k	size_t post_len = strlen(found + 1);
114	19.9k	size_t buf_str_len = strlen(ss->buffer);
115	19.9k	size_t repl_len = strlen(rstr);
116	19.9k	if (repl_len - 1 + buf_str_len >= SSTREAM_BUF_LEN) {
117	0	return;
118	0	}
119	19.9k	memmove(found + repl_len, found + 1, post_len);
120	19.9k	memcpy(found, rstr, repl_len);
121	19.9k	ss->index = strlen(ss->buffer);
122	19.9k	}
123
124		/// Removes the space characters '\t' and ' ' from the beginning of the stream buffer.
125		void SStream_trimls(SStream *ss)
126	2.19M	{
127	2.19M	assert(ss);
128	2.19M	size_t buf_off = 0;
129		/// Remove leading spaces
130	2.23M	while (ss->buffer[buf_off] == ' ' \|\| ss->buffer[buf_off] == '\t') {
131	40.0k	buf_off++;
132	40.0k	}
133	2.19M	if (buf_off > 0) {
134	40.0k	memmove(ss->buffer, ss->buffer + buf_off,
135	40.0k	SSTREAM_BUF_LEN - buf_off);
136	40.0k	ss->index -= buf_off;
137	40.0k	}
138	2.19M	}
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	2.12M	{
147	2.12M	assert(ss && mnem_buf && mnem_buf_size > 0 && op_str_buf &&
148	2.12M	op_str_buf_size > 0);
149	2.12M	size_t off = 0;
150		// Copy all non space chars to as mnemonic.
151	11.9M	while (ss->buffer[off] && ss->buffer[off] != ' ' &&
152	11.5M	ss->buffer[off] != '\t') {
153	9.86M	if (off < mnem_buf_size - 1) {
154		// Only copy if there is space left.
155	9.86M	mnem_buf[off] = ss->buffer[off];
156	9.86M	}
157	9.86M	off++;
158	9.86M	}
159	2.12M	if (!ss->buffer[off]) {
160	88.5k	return;
161	88.5k	}
162
163		// Iterate until next non space char.
164	2.04M	do {
165	2.04M	off++;
166	2.04M	} while (ss->buffer[off] &&
167	2.01M	(ss->buffer[off] == ' ' \|\| ss->buffer[off] == '\t'));
168
169	2.03M	if (!ss->buffer[off]) {
170	37.9k	return;
171	37.9k	}
172
173		// Copy all follow up characters as op_str
174	1.99M	const char *ss_op_str = ss->buffer + off;
175	1.99M	off = 0;
176	28.8M	while (ss_op_str[off] && off < op_str_buf_size - 1) {
177	26.8M	op_str_buf[off] = ss_op_str[off];
178	26.8M	off++;
179	26.8M	}
180	1.99M	}
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	20.2k	{
186	20.2k	assert(ss);
187	20.2k	if (file) {
188	0	fprintf(file, "%s\n", ss->buffer);
189	0	}
190	20.2k	SStream_Init(ss);
191	20.2k	}
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	12.6M	{
216	12.6M	#ifndef CAPSTONE_DIET
217	12.6M	assert(ss && s);
218	12.6M	SSTREAM_RETURN_IF_CLOSED(ss);
219	12.6M	if (s[0] == '\0')
220	3.94M	return;
221
222	8.65M	SStream_concat_raw(ss, s, strlen(s));
223	8.65M	SStream_close_markup(ss);
224		#else
225		ss->buffer[ss->index] = '\0';
226		#endif
227	8.65M	}
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	1.46M	{
234	1.46M	#ifndef CAPSTONE_DIET
235	1.46M	assert(ss);
236	1.46M	SSTREAM_RETURN_IF_CLOSED(ss);
237	1.46M	if (c == '\0')
238	16.7k	return;
239
240	1.44M	SStream_concat1_raw(ss, c);
241	1.44M	SStream_close_markup(ss);
242		#else
243		ss->buffer[ss->index] = '\0';
244		#endif
245	1.44M	}
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	5.59M	{
252	5.59M	#ifndef CAPSTONE_DIET
253	5.59M	assert(ss && fmt);
254	5.59M	SSTREAM_RETURN_IF_CLOSED(ss);
255	5.59M	va_list ap;
256	5.59M	int ret;
257	5.59M	size_t remaining = SStream_remaining(ss);
258	5.59M	if (remaining == 0) {
259	0	return;
260	0	}
261
262	5.59M	va_start(ap, fmt);
263	5.59M	ret = cs_vsnprintf(ss->buffer + ss->index, remaining + 1, fmt, ap);
264	5.59M	va_end(ap);
265	5.59M	if (ret < 0) {
266	0	ss->buffer[ss->index] = '\0';
267	0	return;
268	0	}
269	5.59M	if ((size_t)ret > remaining) {
270	0	ss->index += remaining;
271	5.59M	} else {
272	5.59M	ss->index += (size_t)ret;
273	5.59M	}
274	5.59M	SStream_close_markup(ss);
275		#else
276		ss->buffer[ss->index] = '\0';
277		#endif
278	5.59M	}
279
280		// print number with prefix #
281		void printInt64Bang(SStream *ss, int64_t val)
282	56.4k	{
283	56.4k	assert(ss);
284	56.4k	if (ss->unsigned_num) {
285	0	printUInt64Bang(ss, val);
286	0	return;
287	0	}
288	56.4k	SSTREAM_RETURN_IF_CLOSED(ss);
289	56.4k	SStream_concat1(ss, '#');
290	56.4k	printInt64(ss, val);
291	56.4k	}
292
293		void printUInt64Bang(SStream *ss, uint64_t val)
294	6.88k	{
295	6.88k	assert(ss);
296	6.88k	SSTREAM_RETURN_IF_CLOSED(ss);
297	6.88k	SStream_concat1(ss, '#');
298	6.88k	printUInt64(ss, val);
299	6.88k	}
300
301		// print number
302		void printInt64(SStream *ss, int64_t val)
303	527k	{
304	527k	assert(ss);
305	527k	if (ss->unsigned_num) {
306	0	printUInt64(ss, val);
307	0	return;
308	0	}
309	527k	SSTREAM_RETURN_IF_CLOSED(ss);
310	527k	if (val >= 0) {
311	482k	if (val > HEX_THRESHOLD)
312	300k	SStream_concat(ss, "0x%" PRIx64, val);
313	181k	else
314	181k	SStream_concat(ss, "%" PRIu64, val);
315	482k	} else {
316	45.1k	if (val < -HEX_THRESHOLD) {
317	40.0k	if (val == INT64_MIN)
318	16	SStream_concat(ss, "-0x%" PRIx64,
319	16	(uint64_t)INT64_MAX + 1);
320	40.0k	else
321	40.0k	SStream_concat(ss, "-0x%" PRIx64,
322	40.0k	(uint64_t)-val);
323	40.0k	} else
324	5.04k	SStream_concat(ss, "-%" PRIu64, -val);
325	45.1k	}
326	527k	}
327
328		void printUInt64(SStream *ss, uint64_t val)
329	128k	{
330	128k	assert(ss);
331	128k	SSTREAM_RETURN_IF_CLOSED(ss);
332	128k	if (val > HEX_THRESHOLD)
333	81.7k	SStream_concat(ss, "0x%" PRIx64, val);
334	46.7k	else
335	46.7k	SStream_concat(ss, "%" PRIu64, val);
336	128k	}
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	130k	{
355	130k	assert(ss);
356	130k	if (ss->unsigned_num) {
357	0	printUInt32Bang(ss, val);
358	0	return;
359	0	}
360	130k	SSTREAM_RETURN_IF_CLOSED(ss);
361	130k	SStream_concat1(ss, '#');
362	130k	printInt32(ss, val);
363	130k	}
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	1.28k	{
385	1.28k	assert(ss);
386	1.28k	if (ss->unsigned_num) {
387	0	printUInt8(ss, val);
388	0	return;
389	0	}
390	1.28k	SSTREAM_RETURN_IF_CLOSED(ss);
391	1.28k	if (val >= 0) {
392	832	if (val > HEX_THRESHOLD)
393	617	SStream_concat(ss, "0x%" PRIx8, val);
394	215	else
395	215	SStream_concat(ss, "%" PRId8, val);
396	832	} else {
397	448	if (val < -HEX_THRESHOLD) {
398	317	if (val == INT8_MIN)
399	133	SStream_concat(ss, "-0x%" PRIx8,
400	133	(uint8_t)INT8_MAX + 1);
401	184	else
402	184	SStream_concat(ss, "-0x%" PRIx8, (int8_t)-val);
403	317	} else
404	131	SStream_concat(ss, "-%" PRIu8, -val);
405	448	}
406	1.28k	}
407
408		void printInt16(SStream *ss, int16_t val)
409	1.75k	{
410	1.75k	assert(ss);
411	1.75k	if (ss->unsigned_num) {
412	0	printUInt16(ss, val);
413	0	return;
414	0	}
415	1.75k	SSTREAM_RETURN_IF_CLOSED(ss);
416	1.75k	if (val >= 0) {
417	1.25k	if (val > HEX_THRESHOLD)
418	920	SStream_concat(ss, "0x%" PRIx16, val);
419	332	else
420	332	SStream_concat(ss, "%" PRId16, val);
421	1.25k	} else {
422	507	if (val < -HEX_THRESHOLD) {
423	346	if (val == INT16_MIN)
424	26	SStream_concat(ss, "-0x%" PRIx16,
425	26	(uint16_t)INT16_MAX + 1);
426	320	else
427	320	SStream_concat(ss, "-0x%" PRIx16,
428	320	(int16_t)-val);
429	346	} else
430	161	SStream_concat(ss, "-%" PRIu16, -val);
431	507	}
432	1.75k	}
433
434		void printInt16HexOffset(SStream *ss, int16_t val)
435	3.04k	{
436	3.04k	assert(ss);
437	3.04k	if (ss->unsigned_num) {
438	0	printUInt16(ss, val);
439	0	return;
440	0	}
441	3.04k	SSTREAM_RETURN_IF_CLOSED(ss);
442	3.04k	if (val >= 0) {
443	2.34k	SStream_concat(ss, "+0x%" PRIx16, val);
444	2.34k	} else {
445	701	if (val == INT16_MIN)
446	15	SStream_concat(ss, "-0x%" PRIx16,
447	15	(uint16_t)INT16_MAX + 1);
448	686	else
449	686	SStream_concat(ss, "-0x%" PRIx16, (int16_t)-val);
450	701	}
451	3.04k	}
452
453		void printInt32(SStream *ss, int32_t val)
454	175k	{
455	175k	assert(ss);
456	175k	if (ss->unsigned_num) {
457	0	printUInt32(ss, val);
458	0	return;
459	0	}
460	175k	SSTREAM_RETURN_IF_CLOSED(ss);
461	175k	if (val >= 0) {
462	131k	if (val > HEX_THRESHOLD)
463	76.9k	SStream_concat(ss, "0x%" PRIx32, val);
464	54.3k	else
465	54.3k	SStream_concat(ss, "%" PRId32, val);
466	131k	} else {
467	44.3k	if (val < -HEX_THRESHOLD) {
468	41.5k	if (val == INT32_MIN)
469	114	SStream_concat(ss, "-0x%" PRIx32,
470	114	(uint32_t)INT32_MAX + 1);
471	41.4k	else
472	41.4k	SStream_concat(ss, "-0x%" PRIx32,
473	41.4k	(int32_t)-val);
474	41.5k	} else {
475	2.78k	SStream_concat(ss, "-%" PRIu32, (uint32_t)-val);
476	2.78k	}
477	44.3k	}
478	175k	}
479
480		void printInt32HexOffset(SStream *ss, int32_t val)
481	877	{
482	877	assert(ss);
483	877	if (ss->unsigned_num) {
484	0	printUInt32(ss, val);
485	0	return;
486	0	}
487	877	SSTREAM_RETURN_IF_CLOSED(ss);
488	877	if (val >= 0) {
489	790	SStream_concat(ss, "+0x%" PRIx32, val);
490	790	} else {
491	87	if (val == INT32_MIN)
492	17	SStream_concat(ss, "-0x%" PRIx32,
493	17	(uint32_t)INT32_MAX + 1);
494	70	else
495	70	SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
496	87	}
497	877	}
498
499		void printInt32Hex(SStream *ss, int32_t val)
500	2.27k	{
501	2.27k	assert(ss);
502	2.27k	SSTREAM_RETURN_IF_CLOSED(ss);
503	2.27k	if (val >= 0) {
504	1.49k	SStream_concat(ss, "0x%" PRIx32, val);
505	1.49k	} else {
506	778	if (val == INT32_MIN)
507	11	SStream_concat(ss, "-0x%" PRIx32,
508	11	(uint32_t)INT32_MAX + 1);
509	767	else
510	767	SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
511	778	}
512	2.27k	}
513
514		void printUInt32Bang(SStream *ss, uint32_t val)
515	144k	{
516	144k	assert(ss);
517	144k	SSTREAM_RETURN_IF_CLOSED(ss);
518	144k	SStream_concat1(ss, '#');
519	144k	printUInt32(ss, val);
520	144k	}
521
522		void printUInt32(SStream *ss, uint32_t val)
523	205k	{
524	205k	assert(ss);
525	205k	SSTREAM_RETURN_IF_CLOSED(ss);
526	205k	if (val > HEX_THRESHOLD)
527	155k	SStream_concat(ss, "0x%x", val);
528	49.4k	else
529	49.4k	SStream_concat(ss, "%u", val);
530	205k	}
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	236	{
541	236	assert(ss);
542	236	SSTREAM_RETURN_IF_CLOSED(ss);
543	236	SStream_concat(ss, fmt, val);
544	236	}
545
546		void printFloatBang(SStream *ss, float val)
547	264	{
548	264	assert(ss);
549	264	SSTREAM_RETURN_IF_CLOSED(ss);
550	264	SStream_concat(ss, "#%e", val);
551	264	}
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	455k	{
562	455k	assert(OS);
563
564	455k	if (OS->is_closed \|\| !OS->markup_stream) {
565	455k	return OS;
566	455k	}
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	}