aop.c

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// SPDX-FileCopyrightText: 2018-2020 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_asm.h>
 
RZ_API RzAsmOp *rz_asm_op_new(void) {
    return RZ_NEW0(RzAsmOp);
}
 
RZ_API void rz_asm_op_free(RzAsmOp *op) {
    rz_asm_op_fini(op);
    free(op);
}
 
RZ_API void rz_asm_op_init(RzAsmOp *op) {
    if (op) {
        memset(op, 0, sizeof(*op));
    }
}
 
RZ_API void rz_asm_op_fini(RzAsmOp *op) {
    rz_strbuf_fini(&op->buf);
    rz_strbuf_fini(&op->buf_asm);
    rz_buf_fini(op->buf_inc);
}
 
// accessors
RZ_API char *rz_asm_op_get_hex(RzAsmOp *op) {
    rz_return_val_if_fail(op, NULL);
    int size = rz_strbuf_length(&op->buf);
    char *str = calloc(size + 1, 2);
    rz_return_val_if_fail(str, NULL);
    rz_hex_bin2str((const ut8 *)rz_strbuf_get(&op->buf), size, str);
    return str;
}
 
RZ_API char *rz_asm_op_get_asm(RzAsmOp *op) {
    rz_return_val_if_fail(op, NULL);
    return rz_strbuf_get(&op->buf_asm);
}
 
RZ_API ut8 *rz_asm_op_get_buf(RzAsmOp *op) {
    rz_return_val_if_fail(op, NULL);
    return (ut8 *)rz_strbuf_get(&op->buf);
}
 
RZ_API int rz_asm_op_get_size(RzAsmOp *op) {
    rz_return_val_if_fail(op, 1);
    const int len = op->size - op->payload;
    return RZ_MAX(1, len);
}
 
RZ_API void rz_asm_op_set_asm(RzAsmOp *op, const char *str) {
    rz_return_if_fail(op && str);
    rz_strbuf_set(&op->buf_asm, str);
}
 
RZ_API int rz_asm_op_set_hex(RzAsmOp *op, const char *str) {
    ut8 *bin = (ut8 *)strdup(str);
    if (bin) {
        int len = rz_hex_str2bin(str, bin);
        if (len > 0) {
            rz_strbuf_setbin(&op->buf, bin, len);
        }
        free(bin);
        return len;
    }
    return 0;
}
 
RZ_API int rz_asm_op_set_hexbuf(RzAsmOp *op, const ut8 *buf, int len) {
    rz_return_val_if_fail(op && buf && len >= 0, 0);
    char *hex = malloc(len * 4 + 1);
    if (hex) {
        (void)rz_hex_bin2str(buf, len, hex);
        int olen = rz_asm_op_set_hex(op, hex);
        free(hex);
        return olen;
    }
    return 0;
}
 
RZ_API void rz_asm_op_set_buf(RzAsmOp *op, const ut8 *buf, int len) {
    rz_return_if_fail(op && buf && len >= 0);
    rz_strbuf_setbin(&op->buf, buf, len);
    rz_asm_op_set_hexbuf(op, buf, len);
}