utils.c File Reference

#include <stdlib.h>
#include <string.h>
#include "utils.h"

Go to the source code of this file.

Functions
static unsigned short *	make_id2insn (const insn_map *insns, unsigned int size)
unsigned short	insn_find (const insn_map *insns, unsigned int max, unsigned int id, unsigned short **cache)
int	name2id (const name_map *map, int max, const char *name)
const char *	id2name (const name_map *map, int max, const unsigned int id)
unsigned int	count_positive (const uint16_t *list)
unsigned int	count_positive8 (const unsigned char *list)
char *	cs_strdup (const char *str)
int	cs_snprintf (char *buffer, size_t size, const char *fmt,...)
bool	arr_exist8 (unsigned char *arr, unsigned char max, unsigned int id)
bool	arr_exist (uint16_t *arr, unsigned char max, unsigned int id)

Function Documentation

arr_exist()

bool arr_exist	(	uint16_t *	arr,
		unsigned char	max,
		unsigned int	id
	)

Definition at line 128 of file utils.c.

{
    int i;
 
    for (i = 0; i < max; i++) {
        if (arr[i] == id)
            return true;
    }
 
    return false;
}

References syscall_preprocessing::arr, i, and max.

Referenced by cs_reg_read(), and cs_reg_write().

arr_exist8()

bool arr_exist8	(	unsigned char *	arr,
		unsigned char	max,
		unsigned int	id
	)

Definition at line 116 of file utils.c.

{
    int i;
 
    for (i = 0; i < max; i++) {
        if (arr[i] == id)
            return true;
    }
 
    return false;
}

References syscall_preprocessing::arr, i, and max.

Referenced by cs_insn_group().

count_positive()

unsigned int count_positive

(

const uint16_t *

list

)

Definition at line 72 of file utils.c.

{
    unsigned int c;
 
    for (c = 0; list[c] > 0; c++);
 
    return c;
}

References c, and list().

count_positive8()

unsigned int count_positive8

(

const unsigned char *

list

)

Definition at line 83 of file utils.c.

{
    unsigned int c;
 
    for (c = 0; list[c] > 0; c++);
 
    return c;
}

References c, and list().

cs_snprintf()

int cs_snprintf	(	char *	buffer,
		size_t	size,
		const char *	fmt,
			...
	)

Definition at line 104 of file utils.c.

{
    int ret;
 
    va_list ap;
    va_start(ap, fmt);
    ret = cs_vsnprintf(buffer, size, fmt, ap);
    va_end(ap);
 
    return ret;
}

References cs_vsnprintf.

Referenced by cs_winkernel_vsnprintf_test(), and skipdata_opstr().

cs_strdup()

char* cs_strdup

(

const char *

str

)

Definition at line 92 of file utils.c.

{
    size_t len = strlen(str)+ 1;
    void *new = cs_mem_malloc(len);
 
    if (new == NULL)
        return NULL;
 
    return (char *)memmove(new, str, len);
}

References cs_mem_malloc, len, NULL, and cmd_descs_generate::str.

id2name()

const char* id2name	(	const name_map *	map,
		int	max,
		const unsigned int	id
	)

Definition at line 56 of file utils.c.

{
    int i;
 
    for (i = 0; i < max; i++) {
        if (map[i].id == id) {
            return map[i].name;
        }
    }
 
    // nothing match
    return NULL;
}

References i, map(), max, and NULL.

Referenced by M68K_group_name().

insn_find()

unsigned short insn_find	(	const insn_map *	insns,
		unsigned int	max,
		unsigned int	id,
		unsigned short **	cache
	)

Definition at line 31 of file utils.c.

{
    if (id > insns[max - 1].id)
        return 0;
 
    if (*cache == NULL)
        *cache = make_id2insn(insns, max);
 
    return (*cache)[id];
}

References id, insns, make_id2insn(), max, and NULL.

make_id2insn()

static unsigned short* make_id2insn ( const insn_map *  insns, unsigned int  size  )

static

Definition at line 15 of file utils.c.

{
    // NOTE: assume that the max id is always put at the end of insns array
    unsigned short max_id = insns[size - 1].id;
    unsigned short i;
 
    unsigned short *cache = (unsigned short *)cs_mem_calloc(max_id + 1, sizeof(*cache));
 
    for (i = 1; i < size; i++)
        cache[insns[i].id] = i;
 
    return cache;
}

References cs_mem_calloc, i, and insns.

Referenced by insn_find().

name2id()

int name2id	(	const name_map *	map,
		int	max,
		const char *	name
	)

Definition at line 42 of file utils.c.

{
    int i;
 
    for (i = 0; i < max; i++) {
        if (!strcmp(map[i].name, name)) {
            return map[i].id;
        }
    }
 
    // nothing match
    return -1;
}

References i, map(), and max.