pyc_magic.h File Reference

#include <rz_types.h>

Go to the source code of this file.

Classes
struct	pyc_version

Functions
struct pyc_version	get_pyc_version (ut32 magic)
double	version2double (const char *version)
bool	magic_int_within (ut32 target_magic, ut32 lower, ut32 uppper, bool *error)

Function Documentation

get_pyc_version()

struct pyc_version get_pyc_version

(

ut32

magic

)

Definition at line 1 of file pyc_magic.c.

                                               {
    struct pyc_version fail = { -1, 0, 0 };
    ut32 i;
    for (i = 0; i < sizeof(versions) / sizeof(*versions); i++)
        if (versions[i].magic == magic) {
            return versions[i];
        }
    return fail;
}

Referenced by check_buffer(), and load_buffer().

magic_int_within()

bool magic_int_within	(	ut32	target_magic,
		ut32	lower,
		ut32	uppper,
		bool *	error
	)

Definition at line 283 of file pyc_magic.c.

                                                                              {
    if (*error) {
        return false;
    }
    ut64 ti = 0, li = 0, ui = 0;
    ut64 size = sizeof(versions) / sizeof(struct pyc_version);
    for (; ti < size && versions[ti].magic != target_magic; ti++) {
    }
    if (ti == size) {
        *error = true;
        RZ_LOG_ERROR("Cannot find pyc target_magic.\n");
        return false;
    }
 
    for (; li < size && (versions[li].magic & 0xffff) != lower; li++) {
    }
    if (li == size) {
        *error = true;
        RZ_LOG_ERROR("Cannot find pyc lower magic_int.\n");
        return false;
    }
 
    for (; ui < size && (versions[ui].magic & 0xffff) != upper; ui++) {
    }
    if (ui == size) {
        *error = true;
        RZ_LOG_ERROR("Cannot find pyc upper magic_int.\n");
        return false;
    }
 
    return (li <= ti) && (ti <= ui);
}

References error(), pyc_version::magic, RZ_LOG_ERROR, ut64(), and versions.

Referenced by get_code_object().

version2double()

double version2double

(

const char *

version

)

Definition at line 316 of file pyc_magic.c.

                                           {
    unsigned idx = 0, buf_idx = 0;
    char buf[20];
    double result;
 
    while (!('0' <= version[idx] && version[idx] <= '9'))
        idx++;
    for (; version[idx] != '.'; idx++)
        buf[buf_idx++] = version[idx];
    buf[buf_idx++] = version[idx++];
    for (; '0' <= version[idx] && version[idx] <= '9'; idx++)
        buf[buf_idx++] = version[idx];
    buf[buf_idx] = '\x00';
    sscanf(buf, "%lf", &result);
    return result;
}

References setup::idx.

Referenced by info().