From ee251568fb06b829c60ee02b38f24a12b1964c5c Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Mon, 3 Dec 2012 06:47:01 +0100 Subject: [PATCH] ape: putenv, add file :) --- sys/src/ape/lib/ap/gen/putenv.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 sys/src/ape/lib/ap/gen/putenv.c diff --git a/sys/src/ape/lib/ap/gen/putenv.c b/sys/src/ape/lib/ap/gen/putenv.c new file mode 100644 index 000000000..56a1184ba --- /dev/null +++ b/sys/src/ape/lib/ap/gen/putenv.c @@ -0,0 +1,24 @@ +#include + +extern char **environ; + +int +putenv(const char *str) +{ + char *s1, *s2, **e; + int n; + + for(n = 0; s2 = environ[n]; n++) + for(s1 = str; *s1 == *s2; s1++, s2++) + if(*s1 == '\0' || *s1 == '='){ + environ[n] = str; + return 0; + } + e = realloc(environ, (n+1) * sizeof(char*)); + if(e == 0) + return -1; + environ = e; + e[n++] = str; + e[n] = 0; + return 0; +}