kopia lustrzana https://github.com/Hamlib/Hamlib
124 wiersze
3.1 KiB
C
124 wiersze
3.1 KiB
C
/*
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ltdl.c - ltdl emulation for android
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Copyright (C) 2012 Ladislav Vaiz <ok1zia@nagano.cz>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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*/
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#include <config.h>
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#include <ltdl.h>
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#include <dlfcn.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef ANDROID
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#include <android/log.h>
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#endif
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#define APREFIX "lib"
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#define ASUFFIX ".so"
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#define AMAXSTR 1024
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#define ASONAME "libhamlib.so"
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// path to application's libraries with trailing slash
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char *libpath = NULL;
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char *getlibpath(void){
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char s[AMAXSTR];
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FILE *f;
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if (libpath != NULL) return libpath;
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f = fopen("/proc/self/maps", "rt");
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if (!f) return "./";
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while (fgets(s, AMAXSTR - 1, f)){
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char *c;
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s[AMAXSTR - 1] = '\0';
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c = strstr(s, ASONAME);
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if (!c) continue;
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// s is like "4a8a5000-4a8a6000 r--p 00018000 1f:01 743 /data/data/cz.nagano.tucnak/lib/libhamlib.so\n"
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*c = '\0';
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c = strchr(s, '/');
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if (!c) continue;
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libpath = malloc(strlen(c) + 1);
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strcpy(libpath, c);
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break;
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}
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fclose(f);
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return libpath;
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}
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int lt_dlinit(void){
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlinit");
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return 0;
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}
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// not called from hamlib
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int lt_dlexit(void){
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlexit");
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if (libpath != NULL){
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free(libpath);
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libpath = NULL;
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}
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return 0;
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}
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int lt_dladdsearchdir(const char *search_dir){
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dladdsearchdir");
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return 0;
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}
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lt_dlhandle adlopen(const char *filename){
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char *c;
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lt_dlhandle *ret;
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "adlopen('%s')", filename);
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getlibpath();
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if (libpath == NULL || filename == NULL) return NULL;
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c = malloc(strlen(libpath) + strlen(APREFIX) + strlen(filename) + strlen(ASUFFIX) + 1);
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strcpy(c, libpath);
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strcat(c, APREFIX);
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strcat(c, filename);
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strcat(c, ASUFFIX);
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ret = dlopen(c, 0);
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "adlopen('%s')=%p", c, ret);
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free(c);
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return ret;
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}
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lt_dlhandle lt_dlopen(const char *filename){
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlopen(%s)", filename);
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return adlopen(filename);
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}
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lt_dlhandle lt_dlopenext(const char *filename){
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlopenext(%s)", filename);
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return adlopen(filename);
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}
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int lt_dlclose(lt_dlhandle handle){
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlclose");
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return dlclose(handle);
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}
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void *lt_dlsym(lt_dlhandle handle, const char *name){
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void *ret = dlsym(handle, name);
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlsym(%s)=%p", name, ret);
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return ret;
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}
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const char *lt_dlerror(void){
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const char *ret = dlerror();
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// __android_log_print(ANDROID_LOG_DEBUG, PACKAGE_NAME, "lt_dlerror=%s", ret);
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return ret;
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}
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