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fd7832e41fdf15509a80583e8f7bb10473e53356
[musl]
/
src
/
legacy
/
cuserid.c
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#define _GNU_SOURCE
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#include <pwd.h>
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#include <stdio.h>
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#include <unistd.h>
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char *cuserid(char *buf)
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{
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static char usridbuf[L_cuserid];
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struct passwd pw, *ppw;
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long pwb[256];
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if (getpwuid_r(geteuid(), &pw, (void *)pwb, sizeof pwb, &ppw))
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return 0;
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if (!buf) buf = usridbuf;
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snprintf(buf, L_cuserid, "%s", pw.pw_name);
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return buf;
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}