radare2/libr/include/r_util.h

#ifndef _INCLUDE_UTIL_R_
#define _INCLUDE_UTIL_R_

#include "r_types.h"

/* limits */
#define U64_MAX 0xFFFFFFFFFFFFFFFFLL
#define U64_GT0 0x8000000000000000LL
#define U64_LT0 0x7FFFFFFFFFFFFFFFLL
#define U64_MIN 0LL
#define U64_32U 0xFFFFFFFF00000000LL
#define U32_MIN 0
#define U32_GT0 0x80000000
#define U32_LT0 0x7FFFFFFF
#define U32_MAX 0xFFFFFFFF

#define R_MAX(x,y) (x>y)?x:y
#define R_MIN(x,y) (x>y)?y:x
#define R_ABS(x) ((x<0)?-x:x)

#define R_FALSE 0
#define R_TRUE 1

/* memory */
void r_mem_copyloop (u8 *dest, u8 *orig, int dsize, int osize);
void r_mem_copyendian (u8 *dest, u8 *orig, int size, int endian);

/* numbers */
struct r_num_t {
	u64 (*callback)(void *userptr, const char *str, int *ok);
	u64 value;
	void *userptr;
};

void r_num_minmax_swap(u64 *a, u64 *b);
u64 r_num_math(struct r_num_t *num, const char *str);
u64 r_num_get(struct r_num_t *num, const char *str);
struct r_num_t *r_num_new(u64 (*cb)(void*,const char *,int*), void *ptr);
void r_num_init(struct r_num_t *num);

/* strings */

/* TODO */
#define eprintf(x,y...) fprintf(stderr,x,##y)
#define strnull(x) (!x||!*x)
// XXX
#define iswhitechar(x) (x==' '||x=='\t'||x=='\n'||x=='\r')
#define iswhitespace(x) (x==' '||x=='\t')
#define ishexchar(x) ((x>='0'&&x<='9') ||  (x>='a'&&x<='f') ||  (x>='A'&&x<='F')) {

int r_strhash(const char *str);

/* stabilized */
int r_str_word_count(const char *string);
int r_str_word_set0(char *str);
const char *r_str_word_get0(const char *str, int idx);

char *r_str_clean(char *str);
int r_str_nstr(char *from, char *to, int size);
char *r_str_lchr(char *str, char chr);
int r_str_nchr(const char *str, char chr);
char *r_str_ichr(char *str, char chr);
int r_str_ccmp(const char *dst, const char *orig, int ch);
int r_str_cmp(const char *dst, const char *orig, int len);
int r_str_ccpy(char *dst, char *orig, int ch);
const char *r_str_get(const char *str);
char *r_str_dup(char *ptr, const char *string);
void *r_str_free(void *ptr);
int r_str_inject(char *begin, char *end, char *str, int maxlen);
int r_str_delta(char *p, char a, char b);

int r_str_re_match(const char *str, const char *reg);
int r_str_re_replace(const char *str, const char *reg, const char *sub);
char *r_str_sub(char *string, char *pat, char *rep, int global);
int r_str_escape(char *buf);
char *r_str_home(const char *str);

/* hex */
int r_hex_pair2bin(const char *arg);
int r_hex_str2bin(const char *in, u8 *out);
int r_hex_bin2str(const u8 *in, int len, char *out);

int r_hex_to_byte(u8 *val, u8 c);

/* file */
char *r_file_path(const char *bin);
char *r_file_slurp(const char *str, u32 *usz);
char *r_file_slurp_range(const char *str, u64 off, u64 sz);
char *r_file_slurp_random_line(const char *file);
int r_file_dump(const char *file, const u8 *buf, int len);
int r_file_rm(const char *file);
int r_file_exist(const char *str);

#endif