Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2
   3static char *create_temp_file(unsigned char *sha1)
   4{
   5        static char path[50];
   6        void *buf;
   7        char type[100];
   8        unsigned long size;
   9        int fd;
  10
  11        buf = read_sha1_file(sha1, type, &size);
  12        if (!buf || strcmp(type, "blob"))
  13                die("unable to read blob object %s", sha1_to_hex(sha1));
  14
  15        strcpy(path, ".merge_file_XXXXXX");
  16        fd = mkstemp(path);
  17        if (fd < 0)
  18                die("unable to create temp-file");
  19        if (write(fd, buf, size) != size)
  20                die("unable to write temp-file");
  21        close(fd);
  22        return path;
  23}
  24
  25int main(int argc, char **argv)
  26{
  27        unsigned char sha1[20];
  28
  29        if (argc != 2 || get_sha1(argv[1], sha1))
  30                usage("unpack-file.c <sha1>");
  31
  32        puts(create_temp_file(sha1));
  33        return 0;
  34}