xref: /aosp_15_r20/external/musl/src/env/getenv.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <stdlib.h>
2*c9945492SAndroid Build Coastguard Worker #include <string.h>
3*c9945492SAndroid Build Coastguard Worker #include <unistd.h>
4*c9945492SAndroid Build Coastguard Worker 
getenv(const char * name)5*c9945492SAndroid Build Coastguard Worker char *getenv(const char *name)
6*c9945492SAndroid Build Coastguard Worker {
7*c9945492SAndroid Build Coastguard Worker 	size_t l = __strchrnul(name, '=') - name;
8*c9945492SAndroid Build Coastguard Worker 	if (l && !name[l] && __environ)
9*c9945492SAndroid Build Coastguard Worker 		for (char **e = __environ; *e; e++)
10*c9945492SAndroid Build Coastguard Worker 			if (!strncmp(name, *e, l) && l[*e] == '=')
11*c9945492SAndroid Build Coastguard Worker 				return *e + l+1;
12*c9945492SAndroid Build Coastguard Worker 	return 0;
13*c9945492SAndroid Build Coastguard Worker }
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