diff options
| -rw-r--r-- | sys/src/cmd/disk/9660/write.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/src/cmd/disk/9660/write.c b/sys/src/cmd/disk/9660/write.c index e45f21c19..263e803c9 100644 --- a/sys/src/cmd/disk/9660/write.c +++ b/sys/src/cmd/disk/9660/write.c @@ -53,6 +53,16 @@ rewritedotdot(Cdimg *cd, Direc *d, Direc *dparent) Cwrite(cd, buf, Blocksize); } +static int +alphacmp(void *va, void *vb) +{ + Direc *a, *b; + + a = va; + b = vb; + return strcmp(a->name, b->name); +} + /* * Write each non-directory file. We copy the file to * the cd image, and then if it turns out that we've @@ -72,6 +82,9 @@ writefiles(Dump *d, Cdimg *cd, Direc *direc) Dumpdir *dd; if(direc->mode & DMDIR) { + /* write data in alphabetical order avoiding seeks */ + qsort(direc->child, direc->nchild, sizeof(direc->child[0]), alphacmp); + for(i=0; i<direc->nchild; i++) writefiles(d, cd, &direc->child[i]); return; |