ape: revert rename() change
new implementation gets stuck in a infinite loop. backing this out for now.
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parent
d4bc9052be
commit
7d3cc1c55a
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@ -10,7 +10,7 @@
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int
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int
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rename(const char *from, const char *to)
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rename(const char *from, const char *to)
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{
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{
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int n, ffd, tfd;
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int n, i;
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char *f, *t;
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char *f, *t;
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Dir *d, nd;
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Dir *d, nd;
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@ -31,45 +31,45 @@ rename(const char *from, const char *to)
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}
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}
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f = strrchr(from, '/');
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f = strrchr(from, '/');
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t = strrchr(to, '/');
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t = strrchr(to, '/');
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f = f? f+1 : (char*)from;
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f = f? f+1 : from;
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t = t? t+1 : (char*)to;
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t = t? t+1 : to;
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n = 0;
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if(f-from==t-to && strncmp(from, to, f-from)==0){
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if(f-from==t-to && strncmp(from, to, f-from)==0){
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/* from and to are in same directory (we miss some cases) */
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/* from and to are in same directory (we miss some cases) */
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i = strlen(t);
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_nulldir(&nd);
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_nulldir(&nd);
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nd.name = t;
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nd.name = t;
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if(_dirwstat(from, &nd) < 0){
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if(_dirwstat(from, &nd) < 0){
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_syserrno();
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_syserrno();
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return -1;
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n = -1;
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}
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}
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}else{
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}else{
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/* different directories: have to copy */
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/* different directories: have to copy */
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int ffd, tfd;
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char buf[8192];
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char buf[8192];
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if((ffd = _OPEN(from, OREAD)) < 0 ||
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if((ffd = _OPEN(from, OREAD)) == -1)
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(tfd = _CREATE(to, OWRITE, d->mode)) < 0){
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goto err1;
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_CLOSE(ffd);
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if((tfd = _CREATE(to, OWRITE, d->mode)) == -1)
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_syserrno();
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goto err2;
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n = -1;
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n = 0;
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while(n>=0){
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if((n = _READ(ffd, buf, sizeof(buf))) == -1)
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goto err2;
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if(_WRITE(tfd, buf, n) != n)
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goto err2;
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}
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}
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while(n>=0 && (n = _READ(ffd, buf, sizeof(buf))) > 0)
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if(_WRITE(tfd, buf, n) != n){
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_syserrno();
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n = -1;
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}
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_CLOSE(ffd);
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_CLOSE(ffd);
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_CLOSE(tfd);
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_CLOSE(tfd);
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if(_REMOVE(from) < 0)
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if(n>0)
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goto err2;
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n = 0;
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if(n == 0) {
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if(_REMOVE(from) < 0){
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_syserrno();
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return -1;
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}
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}
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}
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}
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free(d);
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free(d);
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return 0;
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return n;
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err2:
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_CLOSE(tfd);
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err1:
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_CLOSE(ffd);
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_syserrno();
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free(d);
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return -1;
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}
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}
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