labels.c

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// SPDX-FileCopyrightText: 2014-2020 pancake <pancake@nopcode.org>
// SPDX-FileCopyrightText: 2014-2020 thestr4ng3r <info@florianmaerkl.de>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_analysis.h>
 
HEAPTYPE(ut64);
 
RZ_API ut64 rz_analysis_function_get_label(RzAnalysisFunction *fcn, const char *name) {
    rz_return_val_if_fail(fcn, UT64_MAX);
    ut64 *addr = ht_pp_find(fcn->label_addrs, name, NULL);
    return addr ? *addr : UT64_MAX;
}
 
RZ_API const char *rz_analysis_function_get_label_at(RzAnalysisFunction *fcn, ut64 addr) {
    rz_return_val_if_fail(fcn, NULL);
    return ht_up_find(fcn->labels, addr, NULL);
}
 
RZ_API bool rz_analysis_function_set_label(RzAnalysisFunction *fcn, const char *name, ut64 addr) {
    rz_return_val_if_fail(fcn && name, false);
    if (ht_pp_find(fcn->label_addrs, name, NULL)) {
        return false;
    }
    char *n = strdup(name);
    if (!ht_up_insert(fcn->labels, addr, n)) {
        free(n);
        return false;
    }
    ht_pp_insert(fcn->label_addrs, name, ut64_new(addr));
    return true;
}
 
RZ_API bool rz_analysis_function_delete_label(RzAnalysisFunction *fcn, const char *name) {
    rz_return_val_if_fail(fcn && name, false);
    ut64 *addr = ht_pp_find(fcn->label_addrs, name, NULL);
    if (!addr) {
        return false;
    }
    ht_up_delete(fcn->labels, *addr);
    ht_pp_delete(fcn->label_addrs, name);
    return true;
}
 
RZ_API bool rz_analysis_function_delete_label_at(RzAnalysisFunction *fcn, ut64 addr) {
    rz_return_val_if_fail(fcn, false);
    char *name = ht_up_find(fcn->labels, addr, NULL);
    if (!name) {
        return false;
    }
    ht_pp_delete(fcn->label_addrs, name);
    ht_up_delete(fcn->labels, addr);
    return true;
}