44 строки
860 B
C
44 строки
860 B
C
#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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int main() {
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int err;
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int stdin, null, dev;
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char buffer[256];
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char* result;
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stdin = open("/dev/stdin", O_RDONLY);
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null = open("/dev/null", O_RDONLY);
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dev = open("/dev", O_RDONLY);
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result = ctermid(buffer);
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assert(!strcmp(result, "/dev/tty"));
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// strstr instead of strcmp as native code may
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// be using a virtual console (e.g. /dev/tty02)
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err = ttyname_r(stdin, buffer, 256);
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assert(!err);
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assert(strstr(buffer, "/dev/tty"));
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err = ttyname_r(stdin, buffer, 2);
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assert(err == ERANGE);
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result = ttyname(stdin);
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assert(strstr(result, "/dev/tty"));
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result = ttyname(null);
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assert(!result);
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result = ttyname(dev);
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assert(!result);
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puts("success");
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return EXIT_SUCCESS;
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}
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