50 lines
710 B
C
50 lines
710 B
C
#include "soc_common.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <sys/ioctl.h>
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int ioctl(int sockfd, int request, ...)
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{
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int ret;
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int flags;
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int *value;
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va_list ap;
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ret = soc_get_fd(sockfd);
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if(ret < 0) {
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errno = -ret;
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return -1;
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}
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switch(request) {
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case FIONBIO:
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va_start(ap, request);
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value = va_arg(ap, int*);
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va_end(ap);
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if(value == NULL) {
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errno = EFAULT;
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return -1;
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}
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flags = fcntl(sockfd, F_GETFL, 0);
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if(flags == -1)
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return -1;
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if(*value)
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ret = fcntl(sockfd, F_SETFL, flags | O_NONBLOCK);
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else
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ret = fcntl(sockfd, F_SETFL, flags & ~O_NONBLOCK);
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break;
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default:
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errno = ENOTTY;
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ret = -1;
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break;
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}
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return ret;
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}
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