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-rw-r--r--xdiff-interface.c57
1 files changed, 45 insertions, 12 deletions
diff --git a/xdiff-interface.c b/xdiff-interface.c
index d782f06d99..0e2c169227 100644
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -15,11 +15,10 @@ static int parse_num(char **cp_p, int *num_p)
{
char *cp = *cp_p;
int num = 0;
- int read_some;
while ('0' <= *cp && *cp <= '9')
num = num * 10 + *cp++ - '0';
- if (!(read_some = cp - *cp_p))
+ if (!(cp - *cp_p))
return -1;
*cp_p = cp;
*num_p = num;
@@ -139,19 +138,20 @@ int xdi_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp, xdemitconf_t co
int xdi_diff_outf(mmfile_t *mf1, mmfile_t *mf2,
xdiff_emit_consume_fn fn, void *consume_callback_data,
- xpparam_t const *xpp,
- xdemitconf_t const *xecfg, xdemitcb_t *xecb)
+ xpparam_t const *xpp, xdemitconf_t const *xecfg)
{
int ret;
struct xdiff_emit_state state;
+ xdemitcb_t ecb;
memset(&state, 0, sizeof(state));
state.consume = fn;
state.consume_callback_data = consume_callback_data;
- xecb->outf = xdiff_outf;
- xecb->priv = &state;
+ memset(&ecb, 0, sizeof(ecb));
+ ecb.outf = xdiff_outf;
+ ecb.priv = &state;
strbuf_init(&state.remainder, 0);
- ret = xdi_diff(mf1, mf2, xpp, xecfg, xecb);
+ ret = xdi_diff(mf1, mf2, xpp, xecfg, &ecb);
strbuf_release(&state.remainder);
return ret;
}
@@ -212,13 +212,32 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
return error("Could not open %s", filename);
sz = xsize_t(st.st_size);
ptr->ptr = xmalloc(sz ? sz : 1);
- if (sz && fread(ptr->ptr, sz, 1, f) != 1)
+ if (sz && fread(ptr->ptr, sz, 1, f) != 1) {
+ fclose(f);
return error("Could not read %s", filename);
+ }
fclose(f);
ptr->size = sz;
return 0;
}
+void read_mmblob(mmfile_t *ptr, const unsigned char *sha1)
+{
+ unsigned long size;
+ enum object_type type;
+
+ if (!hashcmp(sha1, null_sha1)) {
+ ptr->ptr = xstrdup("");
+ ptr->size = 0;
+ return;
+ }
+
+ ptr->ptr = read_sha1_file(sha1, &type, &size);
+ if (!ptr->ptr || type != OBJ_BLOB)
+ die("unable to read blob object %s", sha1_to_hex(sha1));
+ ptr->size = size;
+}
+
#define FIRST_FEW_BYTES 8000
int buffer_is_binary(const char *ptr, unsigned long size)
{
@@ -269,9 +288,8 @@ static long ff_regexp(const char *line, long len,
result = pmatch[i].rm_eo - pmatch[i].rm_so;
if (result > buffer_size)
result = buffer_size;
- else
- while (result > 0 && (isspace(line[result - 1])))
- result--;
+ while (result > 0 && (isspace(line[result - 1])))
+ result--;
memcpy(buffer, line, result);
fail:
free(line_buffer);
@@ -310,11 +328,26 @@ 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)
{
- if (!strcasecmp(var, "merge.conflictstyle")) {
+ if (!strcmp(var, "merge.conflictstyle")) {
if (!value)
die("'%s' is not a boolean", var);
if (!strcmp(value, "diff3"))