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userdiff: add xdiff_clear_find_func()

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xdiff_set_find_func() is used to set user defined regular expressions
for finding function signatures.  Add xdiff_clear_find_func(), which
frees the memory allocated by the former, making the API complete.

Also, use the new function in diff.c (the only call site of
xdiff_set_find_func()) to clean up after ourselves.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2009-07-02 00:01:43 +02:00 committed by Junio C Hamano
parent 725cf7b45d
commit 8cfe5f1cd5
3 changed files with 17 additions and 0 deletions
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1
diff.c
View File

@ -1603,6 +1603,7 @@ static void builtin_diff(const char *name_a,
free(mf1.ptr);
if (textconv_two)
free(mf2.ptr);
xdiff_clear_find_func(&xecfg);
}
free_ab_and_return:

15
xdiff-interface.c
View File

@ -309,6 +309,21 @@ void xdiff_set_find_func(xdemitconf_t *xecfg, const char *value, int cflags)
}
}
void xdiff_clear_find_func(xdemitconf_t *xecfg)
{
if (xecfg->find_func) {
int i;
struct ff_regs *regs = xecfg->find_func_priv;
for (i = 0; i < regs->nr; i++)
regfree(&regs->array[i].re);
free(regs->array);
free(regs);
xecfg->find_func = NULL;
xecfg->find_func_priv = NULL;
}
}
int git_xmerge_style = -1;
int git_xmerge_config(const char *var, const char *value, void *cb)

1
xdiff-interface.h
View File

@ -21,6 +21,7 @@ int read_mmfile(mmfile_t *ptr, const char *filename);
int buffer_is_binary(const char *ptr, unsigned long size);
extern void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags);
extern void xdiff_clear_find_func(xdemitconf_t *xecfg);
extern int git_xmerge_config(const char *var, const char *value, void *cb);
extern int git_xmerge_style;