Andrew's git - gitweb.git/blob

9e754d25385f80dd402c61ea9c05e00cc5aa8b74
   1/* By carefully stacking #includes here (even if WE don't really need them)
   2 * we strive to make the thing actually compile. Git header files aren't very
   3 * nice. Perl headers are one of the signs of the coming apocalypse. */
   4#include <ctype.h>
   5/* Ok, it hasn't been so bad so far. */
   6
   7/* libgit interface */
   8#include "../cache.h"
   9#include "../exec_cmd.h"
  10
  11/* XS and Perl interface */
  12#include "EXTERN.h"
  13#include "perl.h"
  14#include "XSUB.h"
  15
  16#include "ppport.h"
  17
  18
  19MODULE = Git            PACKAGE = Git
  20
  21PROTOTYPES: DISABLE
  22
  23# /* TODO: xs_call_gate(). See Git.pm. */
  24
  25
  26const char *
  27xs_exec_path()
  28CODE:
  29{
  30        RETVAL = git_exec_path();
  31}
  32OUTPUT:
  33        RETVAL
  34
  35
  36char *
  37xs_hash_object(file, type = "blob")
  38        SV *file;
  39        char *type;
  40CODE:
  41{
  42        unsigned char sha1[20];
  43
  44        if (SvTYPE(file) == SVt_RV)
  45                file = SvRV(file);
  46
  47        if (SvTYPE(file) == SVt_PVGV) {
  48                /* Filehandle */
  49                PerlIO *pio;
  50
  51                pio = IoIFP(sv_2io(file));
  52                if (!pio)
  53                        croak("You passed me something weird - a dir glob?");
  54                /* XXX: I just hope PerlIO didn't read anything from it yet.
  55                 * --pasky */
  56                if (index_pipe(sha1, PerlIO_fileno(pio), type, 0))
  57                        croak("Unable to hash given filehandle");
  58                /* Avoid any nasty surprises. */
  59                PerlIO_close(pio);
  60
  61        } else {
  62                /* String */
  63                char *path = SvPV_nolen(file);
  64                int fd = open(path, O_RDONLY);
  65                struct stat st;
  66
  67                if (fd < 0 ||
  68                    fstat(fd, &st) < 0 ||
  69                    index_fd(sha1, fd, &st, 0, type))
  70                        croak("Unable to hash %s", path);
  71                close(fd);
  72        }
  73        RETVAL = sha1_to_hex(sha1);
  74}
  75OUTPUT:
  76        RETVAL