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[release-branch.go1] 5c, 6c, 8c: take GOROOT_FINAL into consideration

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««« backport 016c4fefed77
5c, 6c, 8c: take GOROOT_FINAL into consideration

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5936050

»»»
This commit is contained in:
Shenghou Ma 2012-09-22 05:53:34 +10:00
parent cb71577d10
commit 2898687794
3 changed files with 93 additions and 0 deletions
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31
src/cmd/5c/swt.c
View File

@ -472,12 +472,38 @@ outhist(Biobuf *b)
char *p, *q, *op, c;
Prog pg;
int n;
char *tofree;
static int first = 1;
static char *goroot, *goroot_final;
if(first) {
// Decide whether we need to rewrite paths from $GOROOT to $GOROOT_FINAL.
first = 0;
goroot = getenv("GOROOT");
goroot_final = getenv("GOROOT_FINAL");
if(goroot == nil)
goroot = "";
if(goroot_final == nil)
goroot_final = goroot;
if(strcmp(goroot, goroot_final) == 0) {
goroot = nil;
goroot_final = nil;
}
}
tofree = nil;
pg = zprog;
pg.as = AHISTORY;
c = pathchar();
for(h = hist; h != H; h = h->link) {
p = h->name;
if(p != nil && goroot != nil) {
n = strlen(goroot);
if(strncmp(p, goroot, strlen(goroot)) == 0 && p[n] == '/') {
tofree = smprint("%s%s", goroot_final, p+n);
p = tofree;
}
}
op = 0;
if(systemtype(Windows) && p && p[1] == ':'){
c = p[2];
@ -525,6 +551,11 @@ outhist(Biobuf *b)
pg.to.type = D_CONST;
zwrite(b, &pg, 0, 0);
if(tofree) {
free(tofree);
tofree = nil;
}
}
}

31
src/cmd/6c/swt.c
View File

@ -339,12 +339,38 @@ outhist(Biobuf *b)
char *p, *q, *op, c;
Prog pg;
int n;
char *tofree;
static int first = 1;
static char *goroot, *goroot_final;
if(first) {
// Decide whether we need to rewrite paths from $GOROOT to $GOROOT_FINAL.
first = 0;
goroot = getenv("GOROOT");
goroot_final = getenv("GOROOT_FINAL");
if(goroot == nil)
goroot = "";
if(goroot_final == nil)
goroot_final = goroot;
if(strcmp(goroot, goroot_final) == 0) {
goroot = nil;
goroot_final = nil;
}
}
tofree = nil;
pg = zprog;
pg.as = AHISTORY;
c = pathchar();
for(h = hist; h != H; h = h->link) {
p = h->name;
if(p != nil && goroot != nil) {
n = strlen(goroot);
if(strncmp(p, goroot, strlen(goroot)) == 0 && p[n] == '/') {
tofree = smprint("%s%s", goroot_final, p+n);
p = tofree;
}
}
op = 0;
if(systemtype(Windows) && p && p[1] == ':'){
c = p[2];
@ -400,6 +426,11 @@ outhist(Biobuf *b)
Bputc(b, pg.lineno>>24);
zaddr(b, &pg.from, 0);
zaddr(b, &pg.to, 0);
if(tofree) {
free(tofree);
tofree = nil;
}
}
}

31
src/cmd/8c/swt.c
View File

@ -343,12 +343,38 @@ outhist(Biobuf *b)
char *p, *q, *op, c;
Prog pg;
int n;
char *tofree;
static int first = 1;
static char *goroot, *goroot_final;
if(first) {
// Decide whether we need to rewrite paths from $GOROOT to $GOROOT_FINAL.
first = 0;
goroot = getenv("GOROOT");
goroot_final = getenv("GOROOT_FINAL");
if(goroot == nil)
goroot = "";
if(goroot_final == nil)
goroot_final = goroot;
if(strcmp(goroot, goroot_final) == 0) {
goroot = nil;
goroot_final = nil;
}
}
tofree = nil;
pg = zprog;
pg.as = AHISTORY;
c = pathchar();
for(h = hist; h != H; h = h->link) {
p = h->name;
if(p != nil && goroot != nil) {
n = strlen(goroot);
if(strncmp(p, goroot, strlen(goroot)) == 0 && p[n] == '/') {
tofree = smprint("%s%s", goroot_final, p+n);
p = tofree;
}
}
op = 0;
if(systemtype(Windows) && p && p[1] == ':'){
c = p[2];
@ -404,6 +430,11 @@ outhist(Biobuf *b)
Bputc(b, pg.lineno>>24);
zaddr(b, &pg.from, 0);
zaddr(b, &pg.to, 0);
if(tofree) {
free(tofree);
tofree = nil;
}
}
}