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sysconf(_SC_GETPW_R_SIZE_MAX) returns -1 on musl and 1024 on glibc.
--- php-7.2.6/main/main.c 2018-06-04 23:30:18.790089810 -0400
+++ php-7.2.6/main/main.c 2018-06-04 23:30:14.660089806 -0400
@@ -1315,7 +1315,9 @@
int pwbuflen = sysconf(_SC_GETPW_R_SIZE_MAX);
char *pwbuf;
- if (pwbuflen < 1) {
+ if (pwbuflen == -1) {
+ pwbuflen = 1024;
+ } else if (pwbuflen < 1) {
return "";
}
pwbuf = emalloc(pwbuflen);
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