minecraft-pi-reborn/launcher/src/ldconfig.cpp

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#include <unistd.h>
#include <string>
#include <cstring>
#include <cstdio>
#include <libreborn/libreborn.h>
#include "ldconfig.h"
char *get_full_library_search_path() {
std::string output;
// Run
FILE *file = popen("ldconfig -NXv 2> /dev/null", "r");
// Read
int running = 1;
while (running) {
char *line = NULL;
size_t length = 0;
if (getline(&line, &length, file) != -1) {
// Convert to C++ String
std::string str(line);
// Remove Newline
if (str.size() > 0 && str[str.size() - 1] == '\n') {
str.pop_back();
}
// Interpret
if (str.size() >= 2 && str[0] != '\t' && str[str.size() - 1] == ':') {
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// Blacklist RPI Legacy GL Drivers
#define RPI_LEGACY_GL_PATH "/opt/vc"
if (str.rfind(RPI_LEGACY_GL_PATH ":", 0) != 0 && str.rfind(RPI_LEGACY_GL_PATH "/", 0) != 0) {
output.append(str);
}
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}
} else {
running = 0;
}
free(line);
}
// Remove Colon
if (output.size() > 0 && output[output.size() - 1] == ':') {
output.pop_back();
}
// Close Process
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int ret = pclose(file);
if (ret == -1) {
ERR("ldconfig Failed: %s", strerror(errno));
} else if (ret != 0) {
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ERR("ldconfig Failed: Exit Code: %i", ret);
}
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// Return
char *output_str = strdup(output.c_str());
ALLOC_CHECK(output_str);
return output_str;
}