diff options
Diffstat (limited to 'archive.c')
| -rw-r--r-- | archive.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -239,6 +239,19 @@ static void parse_treeish_arg(const char **argv, ar_args->time = archive_time; } +static void create_output_file(const char *output_file) +{ + int output_fd = open(output_file, O_CREAT | O_WRONLY | O_TRUNC, 0666); + if (output_fd < 0) + die("could not create archive file: %s ", output_file); + if (output_fd != 1) { + if (dup2(output_fd, 1) < 0) + die("could not redirect output"); + else + close(output_fd); + } +} + #define OPT__COMPR(s, v, h, p) \ { OPTION_SET_INT, (s), NULL, (v), NULL, (h), \ PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, (p) } @@ -253,6 +266,7 @@ static int parse_archive_args(int argc, const char **argv, const char *base = NULL; const char *remote = NULL; const char *exec = NULL; + const char *output = NULL; int compression_level = -1; int verbose = 0; int i; @@ -262,6 +276,8 @@ static int parse_archive_args(int argc, const char **argv, OPT_STRING(0, "format", &format, "fmt", "archive format"), OPT_STRING(0, "prefix", &base, "prefix", "prepend prefix to each pathname in the archive"), + OPT_STRING(0, "output", &output, "file", + "write the archive to this file"), OPT__VERBOSE(&verbose), OPT__COMPR('0', &compression_level, "store only", 0), OPT__COMPR('1', &compression_level, "compress faster", 1), @@ -294,6 +310,9 @@ static int parse_archive_args(int argc, const char **argv, if (!base) base = ""; + if (output) + create_output_file(output); + if (list) { for (i = 0; i < ARRAY_SIZE(archivers); i++) printf("%s\n", archivers[i].name); |