/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"

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;
  unsigned int len = (unsigned int)strlen(s);

  SSTREAM_OVERFLOW_CHECK(ss, len);

  memcpy(ss->buffer + ss->index, s, len);
  ss->index += len;
  ss->buffer[ss->index] = '\0';
  if (ss->markup_stream && ss->prefixed_by_markup) {
    SSTREAM_OVERFLOW_CHECK(ss, 1);
    ss->buffer[ss->index] = '>';
    ss->index += 1;
    ss->buffer[ss->index] = '\0';
  }
#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_OVERFLOW_CHECK(ss, 1);

  ss->buffer[ss->index] = c;
  ss->index++;
  ss->buffer[ss->index] = '\0';
  if (ss->markup_stream && ss->prefixed_by_markup) {
    SSTREAM_OVERFLOW_CHECK(ss, 1);
    ss->buffer[ss->index] = '>';
    ss->index++;
  }
#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;

  va_start(ap, fmt);
  ret = cs_vsnprintf(ss->buffer + ss->index,
         sizeof(ss->buffer) - (ss->index + 1), fmt, ap);
  va_end(ap);
  if (ret < 0) {
    return;
  }
  SSTREAM_OVERFLOW_CHECK(ss, ret);
  ss->index += ret;
  if (ss->markup_stream && ss->prefixed_by_markup) {
    SSTREAM_OVERFLOW_CHECK(ss, 1);
    ss->buffer[ss->index] = '>';
    ss->index += 1;
  }
#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 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: 2026-01-09 06:55

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		void SStream_Init(SStream *ss)
22	3.28M	{
23	3.28M	assert(ss);
24	3.28M	ss->index = 0;
25	3.28M	memset(ss->buffer, 0, sizeof(ss->buffer));
26	3.28M	ss->is_closed = false;
27	3.28M	ss->markup_stream = false;
28	3.28M	ss->prefixed_by_markup = false;
29	3.28M	ss->unsigned_num = false;
30	3.28M	}
31
32		void SStream_opt_unum(SStream *ss, bool print_unsigned_numbers)
33	3.17M	{
34	3.17M	assert(ss);
35	3.17M	ss->unsigned_num = print_unsigned_numbers;
36	3.17M	}
37
38		/// Returns the a pointer to the internal string buffer of the stream.
39		/// For reading only.
40		const char SStream_rbuf(const SStream ss)
41	151k	{
42	151k	assert(ss);
43	151k	return ss->buffer;
44	151k	}
45
46		/// Searches in the stream for the first (from the left) occurrence of @elem and replaces
47		/// it with @repl. It returns the pointer after the replaced character
48		/// or NULL if no character was replaced.
49		///
50		/// It will never replace the final \0 byte in the stream buffer.
51		const char SStream_replc(const SStream ss, char elem, char repl)
52	99.9k	{
53	99.9k	assert(ss);
54	99.9k	char *found = strchr(ss->buffer, elem);
55	99.9k	if (!found \|\| found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
56	99.9k	return NULL;
57	99.9k	}
58	0	*found = repl;
59	0	found++;
60	0	return found;
61	99.9k	}
62
63		/// Searches in the stream for the first (from the left) occurrence of @chr and replaces
64		/// it with @rstr.
65		void SStream_replc_str(SStream ss, char chr, const char rstr)
66	37.4k	{
67	37.4k	assert(ss && rstr);
68	37.4k	char *found = strchr(ss->buffer, chr);
69	37.4k	if (!found \|\| found == ss->buffer + (SSTREAM_BUF_LEN - 1)) {
70	0	return;
71	0	}
72	37.4k	size_t post_len = strlen(found + 1);
73	37.4k	size_t buf_str_len = strlen(ss->buffer);
74	37.4k	size_t repl_len = strlen(rstr);
75	37.4k	if (repl_len - 1 + buf_str_len >= SSTREAM_BUF_LEN) {
76	0	return;
77	0	}
78	37.4k	memmove(found + repl_len, found + 1, post_len);
79	37.4k	memcpy(found, rstr, repl_len);
80	37.4k	ss->index = strlen(ss->buffer);
81	37.4k	}
82
83		/// Removes the space characters '\t' and ' ' from the beginning of the stream buffer.
84		void SStream_trimls(SStream *ss)
85	3.27M	{
86	3.27M	assert(ss);
87	3.27M	size_t buf_off = 0;
88		/// Remove leading spaces
89	3.33M	while (ss->buffer[buf_off] == ' ' \|\| ss->buffer[buf_off] == '\t') {
90	61.3k	buf_off++;
91	61.3k	}
92	3.27M	if (buf_off > 0) {
93	61.3k	memmove(ss->buffer, ss->buffer + buf_off,
94	61.3k	SSTREAM_BUF_LEN - buf_off);
95	61.3k	ss->index -= buf_off;
96	61.3k	}
97	3.27M	}
98
99		/// Extract the mnemonic to @mnem_buf and the operand string into @op_str_buf from the stream buffer.
100		/// The mnemonic is everything up until the first ' ' or '\t' character.
101		/// The operand string is everything after the first ' ' or '\t' sequence.
102		void SStream_extract_mnem_opstr(const SStream ss, char mnem_buf,
103		size_t mnem_buf_size, char *op_str_buf,
104		size_t op_str_buf_size)
105	3.17M	{
106	3.17M	assert(ss && mnem_buf && mnem_buf_size > 0 && op_str_buf &&
107	3.17M	op_str_buf_size > 0);
108	3.17M	size_t off = 0;
109		// Copy all non space chars to as mnemonic.
110	18.5M	while (ss->buffer[off] && ss->buffer[off] != ' ' &&
111	17.7M	ss->buffer[off] != '\t') {
112	15.3M	if (off < mnem_buf_size - 1) {
113		// Only copy if there is space left.
114	15.3M	mnem_buf[off] = ss->buffer[off];
115	15.3M	}
116	15.3M	off++;
117	15.3M	}
118	3.17M	if (!ss->buffer[off]) {
119	138k	return;
120	138k	}
121
122		// Iterate until next non space char.
123	3.06M	do {
124	3.06M	off++;
125	3.06M	} while (ss->buffer[off] &&
126	3.00M	(ss->buffer[off] == ' ' \|\| ss->buffer[off] == '\t'));
127
128	3.03M	if (!ss->buffer[off]) {
129	55.0k	return;
130	55.0k	}
131
132		// Copy all follow up characters as op_str
133	2.98M	const char *ss_op_str = ss->buffer + off;
134	2.98M	off = 0;
135	44.0M	while (ss_op_str[off] && off < op_str_buf_size - 1) {
136	41.0M	op_str_buf[off] = ss_op_str[off];
137	41.0M	off++;
138	41.0M	}
139	2.98M	}
140
141		/// Empty the stream @ss to given @file (stdin/stderr).
142		/// @file can be NULL. Then the buffer content is not emitted.
143		void SStream_Flush(SStream ss, FILE file)
144	37.9k	{
145	37.9k	assert(ss);
146	37.9k	if (file) {
147	0	fprintf(file, "%s\n", ss->buffer);
148	0	}
149	37.9k	SStream_Init(ss);
150	37.9k	}
151
152		/**
153		* Open the output stream. Every write attempt is accepted again.
154		*/
155		void SStream_Open(SStream *ss)
156	0	{
157	0	assert(ss);
158	0	ss->is_closed = false;
159	0	}
160
161		/**
162		* Closes the output stream. Every write attempt is ignored.
163		*/
164		void SStream_Close(SStream *ss)
165	0	{
166	0	assert(ss);
167	0	ss->is_closed = true;
168	0	}
169
170		/**
171		* Copy the string \p s to the buffer of \p ss and terminate it with a '\\0' byte.
172		*/
173		void SStream_concat0(SStream ss, const char s)
174	18.8M	{
175	18.8M	#ifndef CAPSTONE_DIET
176	18.8M	assert(ss && s);
177	18.8M	SSTREAM_RETURN_IF_CLOSED(ss);
178	18.8M	if (s[0] == '\0')
179	5.74M	return;
180	13.0M	unsigned int len = (unsigned int)strlen(s);
181
182	13.0M	SSTREAM_OVERFLOW_CHECK(ss, len);
183
184	13.0M	memcpy(ss->buffer + ss->index, s, len);
185	13.0M	ss->index += len;
186	13.0M	ss->buffer[ss->index] = '\0';
187	13.0M	if (ss->markup_stream && ss->prefixed_by_markup) {
188	0	SSTREAM_OVERFLOW_CHECK(ss, 1);
189	0	ss->buffer[ss->index] = '>';
190	0	ss->index += 1;
191	0	ss->buffer[ss->index] = '\0';
192	0	}
193		#else
194		ss->buffer[ss->index] = '\0';
195		#endif
196	13.0M	}
197
198		/**
199		* Copy the single char \p c to the buffer of \p ss.
200		*/
201		void SStream_concat1(SStream *ss, const char c)
202	2.26M	{
203	2.26M	#ifndef CAPSTONE_DIET
204	2.26M	assert(ss);
205	2.26M	SSTREAM_RETURN_IF_CLOSED(ss);
206	2.26M	if (c == '\0')
207	28.3k	return;
208
209	2.24M	SSTREAM_OVERFLOW_CHECK(ss, 1);
210
211	2.24M	ss->buffer[ss->index] = c;
212	2.24M	ss->index++;
213	2.24M	ss->buffer[ss->index] = '\0';
214	2.24M	if (ss->markup_stream && ss->prefixed_by_markup) {
215	0	SSTREAM_OVERFLOW_CHECK(ss, 1);
216	0	ss->buffer[ss->index] = '>';
217	0	ss->index++;
218	0	}
219		#else
220		ss->buffer[ss->index] = '\0';
221		#endif
222	2.24M	}
223
224		/**
225		* Copy all strings given to the buffer of \p ss according to formatting \p fmt.
226		*/
227		void SStream_concat(SStream ss, const char fmt, ...)
228	8.32M	{
229	8.32M	#ifndef CAPSTONE_DIET
230	8.32M	assert(ss && fmt);
231	8.32M	SSTREAM_RETURN_IF_CLOSED(ss);
232	8.32M	va_list ap;
233	8.32M	int ret;
234
235	8.32M	va_start(ap, fmt);
236	8.32M	ret = cs_vsnprintf(ss->buffer + ss->index,
237	8.32M	sizeof(ss->buffer) - (ss->index + 1), fmt, ap);
238	8.32M	va_end(ap);
239	8.32M	if (ret < 0) {
240	0	return;
241	0	}
242	8.32M	SSTREAM_OVERFLOW_CHECK(ss, ret);
243	8.32M	ss->index += ret;
244	8.32M	if (ss->markup_stream && ss->prefixed_by_markup) {
245	0	SSTREAM_OVERFLOW_CHECK(ss, 1);
246	0	ss->buffer[ss->index] = '>';
247	0	ss->index += 1;
248	0	}
249		#else
250		ss->buffer[ss->index] = '\0';
251		#endif
252	8.32M	}
253
254		// print number with prefix #
255		void printInt64Bang(SStream *ss, int64_t val)
256	93.7k	{
257	93.7k	assert(ss);
258	93.7k	if (ss->unsigned_num) {
259	0	printUInt64Bang(ss, val);
260	0	return;
261	0	}
262	93.7k	SSTREAM_RETURN_IF_CLOSED(ss);
263	93.7k	SStream_concat1(ss, '#');
264	93.7k	printInt64(ss, val);
265	93.7k	}
266
267		void printUInt64Bang(SStream *ss, uint64_t val)
268	13.3k	{
269	13.3k	assert(ss);
270	13.3k	SSTREAM_RETURN_IF_CLOSED(ss);
271	13.3k	SStream_concat1(ss, '#');
272	13.3k	printUInt64(ss, val);
273	13.3k	}
274
275		// print number
276		void printInt64(SStream *ss, int64_t val)
277	752k	{
278	752k	assert(ss);
279	752k	if (ss->unsigned_num) {
280	0	printUInt64(ss, val);
281	0	return;
282	0	}
283	752k	SSTREAM_RETURN_IF_CLOSED(ss);
284	752k	if (val >= 0) {
285	686k	if (val > HEX_THRESHOLD)
286	409k	SStream_concat(ss, "0x%" PRIx64, val);
287	277k	else
288	277k	SStream_concat(ss, "%" PRIu64, val);
289	686k	} else {
290	65.7k	if (val < -HEX_THRESHOLD) {
291	61.0k	if (val == INT64_MIN)
292	74	SStream_concat(ss, "-0x%" PRIx64,
293	74	(uint64_t)INT64_MAX + 1);
294	60.9k	else
295	60.9k	SStream_concat(ss, "-0x%" PRIx64,
296	60.9k	(uint64_t)-val);
297	61.0k	} else
298	4.75k	SStream_concat(ss, "-%" PRIu64, -val);
299	65.7k	}
300	752k	}
301
302		void printUInt64(SStream *ss, uint64_t val)
303	202k	{
304	202k	assert(ss);
305	202k	SSTREAM_RETURN_IF_CLOSED(ss);
306	202k	if (val > HEX_THRESHOLD)
307	123k	SStream_concat(ss, "0x%" PRIx64, val);
308	78.7k	else
309	78.7k	SStream_concat(ss, "%" PRIu64, val);
310	202k	}
311
312		// print number in decimal mode
313		void printInt32BangDec(SStream *ss, int32_t val)
314		{
315		assert(ss);
316		SSTREAM_RETURN_IF_CLOSED(ss);
317		if (val >= 0)
318		SStream_concat(ss, "#%" PRIu32, val);
319		else {
320		if (val == INT32_MIN)
321		SStream_concat(ss, "#-%" PRIu32, val);
322		else
323		SStream_concat(ss, "#-%" PRIu32, (uint32_t)-val);
324		}
325		}
326
327		void printInt32Bang(SStream *ss, int32_t val)
328	216k	{
329	216k	assert(ss);
330	216k	if (ss->unsigned_num) {
331	0	printUInt32Bang(ss, val);
332	0	return;
333	0	}
334	216k	SSTREAM_RETURN_IF_CLOSED(ss);
335	216k	SStream_concat1(ss, '#');
336	216k	printInt32(ss, val);
337	216k	}
338
339		void printUInt8(SStream *ss, uint8_t val)
340	0	{
341	0	assert(ss);
342	0	if (val > HEX_THRESHOLD)
343	0	SStream_concat(ss, "0x%" PRIx8, val);
344	0	else
345	0	SStream_concat(ss, "%" PRIu8, val);
346	0	}
347
348		void printUInt16(SStream *ss, uint16_t val)
349	0	{
350	0	assert(ss);
351	0	if (val > HEX_THRESHOLD)
352	0	SStream_concat(ss, "0x%" PRIx16, val);
353	0	else
354	0	SStream_concat(ss, "%" PRIu16, val);
355	0	}
356
357		void printInt8(SStream *ss, int8_t val)
358	3.49k	{
359	3.49k	assert(ss);
360	3.49k	if (ss->unsigned_num) {
361	0	printUInt8(ss, val);
362	0	return;
363	0	}
364	3.49k	SSTREAM_RETURN_IF_CLOSED(ss);
365	3.49k	if (val >= 0) {
366	2.18k	if (val > HEX_THRESHOLD)
367	1.55k	SStream_concat(ss, "0x%" PRIx8, val);
368	630	else
369	630	SStream_concat(ss, "%" PRId8, val);
370	2.18k	} else {
371	1.31k	if (val < -HEX_THRESHOLD) {
372	1.14k	if (val == INT8_MIN)
373	765	SStream_concat(ss, "-0x%" PRIx8,
374	765	(uint8_t)INT8_MAX + 1);
375	378	else
376	378	SStream_concat(ss, "-0x%" PRIx8, (int8_t)-val);
377	1.14k	} else
378	170	SStream_concat(ss, "-%" PRIu8, -val);
379	1.31k	}
380	3.49k	}
381
382		void printInt16(SStream *ss, int16_t val)
383	3.21k	{
384	3.21k	assert(ss);
385	3.21k	if (ss->unsigned_num) {
386	0	printUInt16(ss, val);
387	0	return;
388	0	}
389	3.21k	SSTREAM_RETURN_IF_CLOSED(ss);
390	3.21k	if (val >= 0) {
391	2.13k	if (val > HEX_THRESHOLD)
392	1.39k	SStream_concat(ss, "0x%" PRIx16, val);
393	741	else
394	741	SStream_concat(ss, "%" PRId16, val);
395	2.13k	} else {
396	1.07k	if (val < -HEX_THRESHOLD) {
397	728	if (val == INT16_MIN)
398	10	SStream_concat(ss, "-0x%" PRIx16,
399	10	(uint16_t)INT16_MAX + 1);
400	718	else
401	718	SStream_concat(ss, "-0x%" PRIx16,
402	718	(int16_t)-val);
403	728	} else
404	346	SStream_concat(ss, "-%" PRIu16, -val);
405	1.07k	}
406	3.21k	}
407
408		void printInt16HexOffset(SStream *ss, int16_t val)
409	6.95k	{
410	6.95k	assert(ss);
411	6.95k	if (ss->unsigned_num) {
412	0	printUInt16(ss, val);
413	0	return;
414	0	}
415	6.95k	SSTREAM_RETURN_IF_CLOSED(ss);
416	6.95k	if (val >= 0) {
417	4.98k	SStream_concat(ss, "+0x%" PRIx16, val);
418	4.98k	} else {
419	1.96k	if (val == INT16_MIN)
420	19	SStream_concat(ss, "-0x%" PRIx16,
421	19	(uint16_t)INT16_MAX + 1);
422	1.94k	else
423	1.94k	SStream_concat(ss, "-0x%" PRIx16, (int16_t)-val);
424	1.96k	}
425	6.95k	}
426
427		void printInt32(SStream *ss, int32_t val)
428	276k	{
429	276k	assert(ss);
430	276k	if (ss->unsigned_num) {
431	0	printUInt32(ss, val);
432	0	return;
433	0	}
434	276k	SSTREAM_RETURN_IF_CLOSED(ss);
435	276k	if (val >= 0) {
436	209k	if (val > HEX_THRESHOLD)
437	113k	SStream_concat(ss, "0x%" PRIx32, val);
438	96.6k	else
439	96.6k	SStream_concat(ss, "%" PRId32, val);
440	209k	} else {
441	66.8k	if (val < -HEX_THRESHOLD) {
442	63.1k	if (val == INT32_MIN)
443	76	SStream_concat(ss, "-0x%" PRIx32,
444	76	(uint32_t)INT32_MAX + 1);
445	63.0k	else
446	63.0k	SStream_concat(ss, "-0x%" PRIx32,
447	63.0k	(int32_t)-val);
448	63.1k	} else {
449	3.73k	SStream_concat(ss, "-%" PRIu32, (uint32_t)-val);
450	3.73k	}
451	66.8k	}
452	276k	}
453
454		void printInt32HexOffset(SStream *ss, int32_t val)
455	914	{
456	914	assert(ss);
457	914	if (ss->unsigned_num) {
458	0	printUInt32(ss, val);
459	0	return;
460	0	}
461	914	SSTREAM_RETURN_IF_CLOSED(ss);
462	914	if (val >= 0) {
463	734	SStream_concat(ss, "+0x%" PRIx32, val);
464	734	} else {
465	180	if (val == INT32_MIN)
466	54	SStream_concat(ss, "-0x%" PRIx32,
467	54	(uint32_t)INT32_MAX + 1);
468	126	else
469	126	SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
470	180	}
471	914	}
472
473		void printInt32Hex(SStream *ss, int32_t val)
474	4.42k	{
475	4.42k	assert(ss);
476	4.42k	SSTREAM_RETURN_IF_CLOSED(ss);
477	4.42k	if (val >= 0) {
478	2.52k	SStream_concat(ss, "0x%" PRIx32, val);
479	2.52k	} else {
480	1.90k	if (val == INT32_MIN)
481	11	SStream_concat(ss, "-0x%" PRIx32,
482	11	(uint32_t)INT32_MAX + 1);
483	1.89k	else
484	1.89k	SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val);
485	1.90k	}
486	4.42k	}
487
488		void printUInt32Bang(SStream *ss, uint32_t val)
489	182k	{
490	182k	assert(ss);
491	182k	SSTREAM_RETURN_IF_CLOSED(ss);
492	182k	SStream_concat1(ss, '#');
493	182k	printUInt32(ss, val);
494	182k	}
495
496		void printUInt32(SStream *ss, uint32_t val)
497	287k	{
498	287k	assert(ss);
499	287k	SSTREAM_RETURN_IF_CLOSED(ss);
500	287k	if (val > HEX_THRESHOLD)
501	213k	SStream_concat(ss, "0x%x", val);
502	74.2k	else
503	74.2k	SStream_concat(ss, "%u", val);
504	287k	}
505
506		void printFloat(SStream *ss, float val)
507	0	{
508	0	assert(ss);
509	0	SSTREAM_RETURN_IF_CLOSED(ss);
510	0	SStream_concat(ss, "%e", val);
511	0	}
512
513		void printFloatBang(SStream *ss, float val)
514	498	{
515	498	assert(ss);
516	498	SSTREAM_RETURN_IF_CLOSED(ss);
517	498	SStream_concat(ss, "#%e", val);
518	498	}
519
520		void printExpr(SStream *ss, uint64_t val)
521	0	{
522	0	assert(ss);
523	0	SSTREAM_RETURN_IF_CLOSED(ss);
524	0	SStream_concat(ss, "%" PRIu64, val);
525	0	}
526
527		SStream markup_OS(SStream OS, SStreamMarkup style)
528	682k	{
529	682k	assert(OS);
530
531	682k	if (OS->is_closed \|\| !OS->markup_stream) {
532	682k	return OS;
533	682k	}
534	0	OS->markup_stream = false; // Disable temporarily.
535	0	switch (style) {
536	0	default:
537	0	SStream_concat0(OS, "<UNKNOWN:");
538	0	return OS;
539	0	case Markup_Immediate:
540	0	SStream_concat0(OS, "<imm:");
541	0	break;
542	0	case Markup_Register:
543	0	SStream_concat0(OS, "<reg:");
544	0	break;
545	0	case Markup_Target:
546	0	SStream_concat0(OS, "<tar:");
547	0	break;
548	0	case Markup_Memory:
549	0	SStream_concat0(OS, "<mem:");
550	0	break;
551	0	}
552	0	OS->markup_stream = true;
553		OS->prefixed_by_markup = true;
554	0	return OS;
555	0	}