xmerge: make return value from xdl_merge() more usable.

The callers would want to know if the resulting merge is clean;
do not discard that information away after calling xdl_do_merge().

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-11-29 12:06:49 -08:00
parent 857b933e04
commit 53a7085a10

View File

@ -384,6 +384,7 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
xpparam_t const *xpp, int level, mmbuffer_t *result) {
xdchange_t *xscr1, *xscr2;
xdfenv_t xe1, xe2;
int status;
result->ptr = NULL;
result->size = 0;
@ -404,6 +405,7 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
xdl_free_env(&xe2);
return -1;
}
status = 0;
if (xscr1 || xscr2) {
if (!xscr1) {
result->ptr = xdl_malloc(mf2->size);
@ -413,14 +415,10 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
result->ptr = xdl_malloc(mf1->size);
memcpy(result->ptr, mf1->ptr, mf1->size);
result->size = mf1->size;
} else if (xdl_do_merge(&xe1, xscr1, name1,
&xe2, xscr2, name2,
level, xpp, result) < 0) {
xdl_free_script(xscr1);
xdl_free_script(xscr2);
xdl_free_env(&xe1);
xdl_free_env(&xe2);
return -1;
} else {
status = xdl_do_merge(&xe1, xscr1, name1,
&xe2, xscr2, name2,
level, xpp, result);
}
xdl_free_script(xscr1);
xdl_free_script(xscr2);
@ -428,6 +426,5 @@ int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
xdl_free_env(&xe1);
xdl_free_env(&xe2);
return 0;
return status;
}