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Merge branch 'jc/combine' into next

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* jc/combine:
  combine-diff: move the code to parse hunk-header into common library.
This commit is contained in:
Junio C Hamano 2006-04-05 12:25:03 -07:00
commit d6102b53c8
3 changed files with 49 additions and 46 deletions
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46
combine-diff.c
View file

@ -111,52 +111,6 @@ static char *grab_blob(const unsigned char *sha1, unsigned long *size)
return blob;
}
static int parse_num(char **cp_p, unsigned int *num_p)
{
char *cp = *cp_p;
unsigned int num = 0;
int read_some;
while ('0' <= *cp && *cp <= '9')
num = num * 10 + *cp++ - '0';
if (!(read_some = cp - *cp_p))
return -1;
*cp_p = cp;
*num_p = num;
return 0;
}
static int parse_hunk_header(char *line, int len,
unsigned int *ob, unsigned int *on,
unsigned int *nb, unsigned int *nn)
{
char *cp;
cp = line + 4;
if (parse_num(&cp, ob)) {
bad_line:
return error("malformed diff output: %s", line);
}
if (*cp == ',') {
cp++;
if (parse_num(&cp, on))
goto bad_line;
}
else
*on = 1;
if (*cp++ != ' ' || *cp++ != '+')
goto bad_line;
if (parse_num(&cp, nb))
goto bad_line;
if (*cp == ',') {
cp++;
if (parse_num(&cp, nn))
goto bad_line;
}
else
*nn = 1;
return -!!memcmp(cp, " @@", 3);
}
static void append_lost(struct sline *sline, int n, const char *line, int len)
{
struct lline *lline;

46
xdiff-interface.c
View file

@ -1,6 +1,52 @@
#include "cache.h"
#include "xdiff-interface.h"
static int parse_num(char **cp_p, unsigned int *num_p)
{
char *cp = *cp_p;
unsigned int num = 0;
int read_some;
while ('0' <= *cp && *cp <= '9')
num = num * 10 + *cp++ - '0';
if (!(read_some = cp - *cp_p))
return -1;
*cp_p = cp;
*num_p = num;
return 0;
}
int parse_hunk_header(char *line, int len,
unsigned int *ob, unsigned int *on,
unsigned int *nb, unsigned int *nn)
{
char *cp;
cp = line + 4;
if (parse_num(&cp, ob)) {
bad_line:
return error("malformed diff output: %s", line);
}
if (*cp == ',') {
cp++;
if (parse_num(&cp, on))
goto bad_line;
}
else
*on = 1;
if (*cp++ != ' ' || *cp++ != '+')
goto bad_line;
if (parse_num(&cp, nb))
goto bad_line;
if (*cp == ',') {
cp++;
if (parse_num(&cp, nn))
goto bad_line;
}
else
*nn = 1;
return -!!memcmp(cp, " @@", 3);
}
static void consume_one(void *priv_, char *s, unsigned long size)
{
struct xdiff_emit_state *priv = priv_;

3
xdiff-interface.h
View file

@ -14,5 +14,8 @@ struct xdiff_emit_state {
};
int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf);
int parse_hunk_header(char *line, int len,
unsigned int *ob, unsigned int *on,
unsigned int *nb, unsigned int *nn);
#endif