1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* By carefully stacking #includes here (even if WE don't really need them)
* we strive to make the thing actually compile. Git header files aren't very
* nice. Perl headers are one of the signs of the coming apocalypse. */
#include <ctype.h>
/* Ok, it hasn't been so bad so far. */
/* libgit interface */
#include "../cache.h"
#include "../exec_cmd.h"
#define die perlyshadow_die__
/* XS and Perl interface */
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#undef die
static char *
report_xs(const char *prefix, const char *err, va_list params)
{
static char buf[4096];
strcpy(buf, prefix);
vsnprintf(buf + strlen(prefix), 4096 - strlen(prefix), err, params);
return buf;
}
void
die_xs(const char *err, va_list params)
{
char *str;
str = report_xs("fatal: ", err, params);
croak(str);
}
int
error_xs(const char *err, va_list params)
{
char *str;
str = report_xs("error: ", err, params);
warn(str);
return -1;
}
MODULE = Git PACKAGE = Git
PROTOTYPES: DISABLE
BOOT:
{
set_error_routine(error_xs);
set_die_routine(die_xs);
}
# /* TODO: xs_call_gate(). See Git.pm. */
const char *
xs_version()
CODE:
{
RETVAL = GIT_VERSION;
}
OUTPUT:
RETVAL
const char *
xs_exec_path()
CODE:
{
RETVAL = git_exec_path();
}
OUTPUT:
RETVAL
void
xs__execv_git_cmd(...)
CODE:
{
const char **argv;
int i;
argv = malloc(sizeof(const char *) * (items + 1));
if (!argv)
croak("malloc failed");
for (i = 0; i < items; i++)
argv[i] = strdup(SvPV_nolen(ST(i)));
argv[i] = NULL;
execv_git_cmd(argv);
for (i = 0; i < items; i++)
if (argv[i])
free((char *) argv[i]);
free((char **) argv);
}
char *
xs_hash_object(file, type = "blob")
SV *file;
char *type;
CODE:
{
unsigned char sha1[20];
if (SvTYPE(file) == SVt_RV)
file = SvRV(file);
if (SvTYPE(file) == SVt_PVGV) {
/* Filehandle */
PerlIO *pio;
pio = IoIFP(sv_2io(file));
if (!pio)
croak("You passed me something weird - a dir glob?");
/* XXX: I just hope PerlIO didn't read anything from it yet.
* --pasky */
if (index_pipe(sha1, PerlIO_fileno(pio), type, 0))
croak("Unable to hash given filehandle");
/* Avoid any nasty surprises. */
PerlIO_close(pio);
} else {
/* String */
char *path = SvPV_nolen(file);
int fd = open(path, O_RDONLY);
struct stat st;
if (fd < 0 ||
fstat(fd, &st) < 0 ||
index_fd(sha1, fd, &st, 0, type))
croak("Unable to hash %s", path);
close(fd);
}
RETVAL = sha1_to_hex(sha1);
}
OUTPUT:
RETVAL
|
