103     char buffer[32];  in readNamespacePid()  local
104     size_t bytesRead = ::fread(buffer, 1, sizeof(buffer), file.get());  in readNamespacePid()
105     if (bytesRead < sizeof(buffer) && feof(file.get())) {  in readNamespacePid()
107         buffer[bytesRead] = '\0';  in readNamespacePid()
108         if (isNumericString(buffer)) {  in readNamespacePid()
110             return buffer;  in readNamespacePid()
112         LOGE("File %s does not contain a valid pid '%s'", nsPath, buffer);  in readNamespacePid()
186 static int sncatf(char* buffer, size_t size, const char* fmt, ...) {  in sncatf()  argument
187     size_t len = strnlen(buffer, size);  in sncatf()
197     int printed = vsnprintf(buffer + len, size - len, fmt, args);  in sncatf()
198     buffer[size - 1] = '\0';  in sncatf()
219     char buffer[4096];  in execCommand()  local
223         int printed = snprintf(buffer, sizeof(buffer),  in execCommand()
234                 sncatf(buffer, sizeof(buffer), " \"%s\"", argv[i]);  in execCommand()
236                 sncatf(buffer, sizeof(buffer), " %s", argv[i]);  in execCommand()
239         sncatf(buffer, sizeof(buffer), "': %s", strerror(error));  in execCommand()
240         LOGE("%s", buffer);  in execCommand()