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Fixed environ. The procedure environ takes no arguments and returns 

an association list where both keys and values and strings found in
the posix environment.
This commit is contained in:
Abdulaziz Ghuloum 2009-04-06 09:59:07 +03:00
parent 7b60ec46a9
commit b97cbf1688
4 changed files with 25 additions and 21 deletions
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8
scheme/ikarus.posix.ss
View File

@ -371,11 +371,11 @@
busted)) busted))
(define environ (lambda args (die 'environ "busted!"))) (define environ
(define environ^
(lambda () (lambda ()
(map (map
(lambda (s) (lambda (bv)
(let ([s (utf8->string bv)])
(define (loc= s i n) (define (loc= s i n)
(cond (cond
[(fx= i n) i] [(fx= i n) i]
@ -386,7 +386,7 @@
(cons (substring s 0 i) (cons (substring s 0 i)
(if (fx< (fxadd1 i) n) (if (fx< (fxadd1 i) n)
(substring s (fxadd1 i) n) (substring s (fxadd1 i) n)
""))))) ""))))))
(foreign-call "ikrt_environ")))) (foreign-call "ikrt_environ"))))
(define (nanosleep secs nsecs) (define (nanosleep secs nsecs)

2
scheme/last-revision
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@ -1 +1 @@
1746 1748

1
scheme/makefile.ss
View File

@ -1357,6 +1357,7 @@
[getenv i] [getenv i]
[setenv i] [setenv i]
[unsetenv i] [unsetenv i]
[environ i]
[nanosleep i] [nanosleep i]
[char-ready? ] [char-ready? ]
[load i] [load i]

15
src/ikarus-runtime.c
View File

@ -972,21 +972,24 @@ ikrt_unsetenv(ikptr key){
ikptr ikptr
ikrt_environ(ikpcb* pcb){ ikrt_environ(ikpcb* pcb){
fprintf(stderr, "environ busted!\n");
exit(-1);
char** es = environ; char** es = environ;
int i; char* e; int i; char* e;
ikptr ac = null_object; ikptr ac = null_object;
pcb->root0 = &ac;
for(i=0; (e=es[i]); i++){ for(i=0; (e=es[i]); i++){
long int n = strlen(e); long int n = strlen(e);
ikptr s = ik_unsafe_alloc(pcb, align(n+disp_string_data+1)) + string_tag; ikptr s = ik_safe_alloc(pcb, align(n+disp_bytevector_data+1))
ref(s, -string_tag) = fix(n); + bytevector_tag;
memcpy((char*)(long)(s+off_string_data), e, n+1); ref(s, -bytevector_tag) = fix(n);
ikptr p = ik_unsafe_alloc(pcb, pair_size) + pair_tag; memcpy((char*)(long)(s+off_bytevector_data), e, n+1);
pcb->root1 = &s;
ikptr p = ik_safe_alloc(pcb, pair_size) + pair_tag;
pcb->root1 = 0;
ref(p, off_cdr) = ac; ref(p, off_cdr) = ac;
ref(p, off_car) = s; ref(p, off_car) = s;
ac = p; ac = p;
} }
pcb->root0 = 0;
return ac; return ac;
} }