18 lines
312 B
C
18 lines
312 B
C
#define _GNU_SOURCE
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#include <unistd.h>
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#include <sys/utsname.h>
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#include <string.h>
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#include <errno.h>
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int getdomainname(char *name, size_t len)
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{
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struct utsname temp;
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uname(&temp);
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if (!len || strlen(temp.domainname) >= len) {
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errno = EINVAL;
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return -1;
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}
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strcpy(name, temp.domainname);
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return 0;
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}
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