diff options
Diffstat (limited to 'busybox/libbb/print_file.c')
-rw-r--r-- | busybox/libbb/print_file.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/busybox/libbb/print_file.c b/busybox/libbb/print_file.c new file mode 100644 index 000000000..963db1416 --- /dev/null +++ b/busybox/libbb/print_file.c | |||
@@ -0,0 +1,76 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Utility routines. | ||
4 | * | ||
5 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
15 | * General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | */ | ||
21 | |||
22 | #include <stdio.h> | ||
23 | #include <stdlib.h> | ||
24 | #include <unistd.h> | ||
25 | #include "libbb.h" | ||
26 | |||
27 | extern void bb_xprint_and_close_file(FILE *file) | ||
28 | { | ||
29 | bb_xfflush_stdout(); | ||
30 | /* Note: Do not use STDOUT_FILENO here, as this is a lib routine | ||
31 | * and the calling code may have reassigned stdout. */ | ||
32 | if (bb_copyfd_eof(fileno(file), STDOUT_FILENO) == -1) { | ||
33 | /* bb_copyfd outputs any needed messages, so just die. */ | ||
34 | exit(bb_default_error_retval); | ||
35 | } | ||
36 | /* Note: Since we're reading, don't bother checking the return value | ||
37 | * of fclose(). The only possible failure is EINTR which | ||
38 | * should already have been taken care of. */ | ||
39 | fclose(file); | ||
40 | } | ||
41 | |||
42 | /* Returns: | ||
43 | * 0 if successful | ||
44 | * -1 if 'filename' does not exist or is a directory | ||
45 | * exits with default error code if an error occurs | ||
46 | */ | ||
47 | |||
48 | extern int bb_xprint_file_by_name(const char *filename) | ||
49 | { | ||
50 | FILE *f; | ||
51 | |||
52 | #if 0 | ||
53 | /* This check shouldn't be necessary for linux, but is left | ||
54 | * here disabled just in case. */ | ||
55 | struct stat statBuf; | ||
56 | |||
57 | if(is_directory(filename, TRUE, &statBuf)) { | ||
58 | bb_error_msg("%s: Is directory", filename); | ||
59 | } else | ||
60 | #endif | ||
61 | if ((f = bb_wfopen(filename, "r")) != NULL) { | ||
62 | bb_xprint_and_close_file(f); | ||
63 | return 0; | ||
64 | } | ||
65 | |||
66 | return -1; | ||
67 | } | ||
68 | |||
69 | /* END CODE */ | ||
70 | /* | ||
71 | Local Variables: | ||
72 | c-file-style: "linux" | ||
73 | c-basic-offset: 4 | ||
74 | tab-width: 4 | ||
75 | End: | ||
76 | */ | ||