* published by the Free Software Foundation.
*/
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
+#include "git-compat-util.h"
#include "delta.h"
static const char usage[] =
return 1;
}
from_size = st.st_size;
- if (from_size)
- from_buf = mmap(NULL, from_size, PROT_READ, MAP_PRIVATE, fd, 0);
- else
- from_buf = "";
+ from_buf = mmap(NULL, from_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (from_buf == MAP_FAILED) {
perror(argv[2]);
close(fd);
return 1;
}
data_size = st.st_size;
-
- if (data_size)
- data_buf = mmap(NULL, data_size, PROT_READ, MAP_PRIVATE, fd, 0);
- else
- data_buf = "";
+ data_buf = mmap(NULL, data_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (data_buf == MAP_FAILED) {
perror(argv[3]);
close(fd);
}
fd = open (argv[4], O_WRONLY|O_CREAT|O_TRUNC, 0666);
- if (fd < 0 || write(fd, out_buf, out_size) != out_size) {
+ if (fd < 0 || write_in_full(fd, out_buf, out_size) != out_size) {
perror(argv[4]);
return 1;
}