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git/save: sort argv lexicographically

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our code assumed that the inputs were sorted, and
that scanning forward by prefix would group the dirs
by prefix. Sort so that assumption is true.
This commit is contained in:
Ori Bernstein 2024-11-10 01:31:25 +00:00
parent e4373dd103
commit b4e8108d6c
1 changed files with 10 additions and 0 deletions
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10
sys/src/cmd/git/save.c
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@ -25,6 +25,7 @@ int nparents;
Idxent *idx;
int idxsz;
int nidx;
int
gitmode(Dirent *e)
{
@ -40,6 +41,12 @@ gitmode(Dirent *e)
return 0100644;
}
int
namecmp(void *pa, void *pb)
{
return strcmp(*(char**)pa, *(char**)pb);
}
int
idxcmp(void *pa, void *pb)
{
@ -228,6 +235,8 @@ treeify(Object *t, char **path, char **epath, int off, Hash *h)
* paths have been normalized already,
* no leading or double-slashes allowed.
*/
assert(off <= strlen(s));
assert(off == 0 || s[off-1] == '/');
assert(s[off] != '\0' && s[off] != '/');
/* get next path element length (from off until '/' or nul) */
@ -414,6 +423,7 @@ main(int argc, char **argv)
while(*argv[i] == '/')
argv[i]++;
}
qsort(argv, argc, sizeof(*argv), namecmp);
t = findroot();
nidx = 0;