xref: /aosp_15_r20/external/musl/src/internal/procfdname.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
2*c9945492SAndroid Build Coastguard Worker 
__procfdname(char * buf,unsigned fd)3*c9945492SAndroid Build Coastguard Worker void __procfdname(char *buf, unsigned fd)
4*c9945492SAndroid Build Coastguard Worker {
5*c9945492SAndroid Build Coastguard Worker 	unsigned i, j;
6*c9945492SAndroid Build Coastguard Worker 	for (i=0; (buf[i] = "/proc/self/fd/"[i]); i++);
7*c9945492SAndroid Build Coastguard Worker 	if (!fd) {
8*c9945492SAndroid Build Coastguard Worker 		buf[i] = '0';
9*c9945492SAndroid Build Coastguard Worker 		buf[i+1] = 0;
10*c9945492SAndroid Build Coastguard Worker 		return;
11*c9945492SAndroid Build Coastguard Worker 	}
12*c9945492SAndroid Build Coastguard Worker 	for (j=fd; j; j/=10, i++);
13*c9945492SAndroid Build Coastguard Worker 	buf[i] = 0;
14*c9945492SAndroid Build Coastguard Worker 	for (; fd; fd/=10) buf[--i] = '0' + fd%10;
15*c9945492SAndroid Build Coastguard Worker }
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