Linux iconv多线程

#include <iconv.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// 线程函数
void* convert_encoding(void* arg) {
    char* inbuf = (char*)"需要转换的文本";
    size_t inbytesleft = strlen(inbuf);
    char outbuf[1024];
    size_t outbytesleft = sizeof(outbuf);

    iconv_t cd = (iconv_t)arg;

    char* inptr = inbuf;
    char* outptr = outbuf;

    memset(outbuf, 0, sizeof(outbuf));

    if (iconv(cd, &inptr, &inbytesleft, &outptr, &outbytesleft) == (size_t)-1) {
        perror("iconv");
        pthread_exit(NULL);
    }

    printf("转换后的文本: %s
", outbuf);

    // 关闭 iconv 描述符
    iconv_close(cd);
    pthread_exit(NULL);
}

int main() {
    // 打开 iconv 描述符，假设我们要从 UTF-8 转换到 GBK
    iconv_t cd = iconv_open("GBK", "UTF-8");
    if (cd == (iconv_t)-1) {
        perror("iconv_open");
        return EXIT_FAILURE;
    }

    // 创建线程
    pthread_t thread;
    if (pthread_create(&thread, NULL, convert_encoding, (void*)cd) != 0) {
        perror("pthread_create");
        iconv_close(cd);
        return EXIT_FAILURE;
    }

    // 等待线程结束
    pthread_join(thread, NULL);

    return EXIT_SUCCESS;
}