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| author | "Vladimir N. Oleynik" | 2005-09-22 13:26:23 +0000 |
|---|---|---|
| committer | "Vladimir N. Oleynik" | 2005-09-22 13:26:23 +0000 |
| commit | 1f0ac23c20a2a65c45bb75f5e0431c9b68b800ea (patch) | |
| tree | aa93249abd758ea2e36f51dfc47437b820864d59 | |
| parent | 24cca8d9589614d4a10916d482859f06865f5a43 (diff) | |
| download | busybox-1f0ac23c20a2a65c45bb75f5e0431c9b68b800ea.zip busybox-1f0ac23c20a2a65c45bb75f5e0431c9b68b800ea.tar.gz | |
very small size reduce for nohup applet
| -rw-r--r-- | coreutils/nohup.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/coreutils/nohup.c b/coreutils/nohup.c index 407cf00..c457bfd 100644 --- a/coreutils/nohup.c +++ b/coreutils/nohup.c @@ -40,12 +40,12 @@ static inline int set_cloexec_flag (int desc) #define set_cloexec_flag(desc) (0) #endif -static int fd_reopen (int desired_fd, char const *file, int flags, mode_t mode) +static int fd_reopen (int desired_fd, char const *file, int flags) { int fd; close (desired_fd); - fd = open (file, flags, mode); + fd = open (file, flags | O_WRONLY, S_IRUSR | S_IWUSR); if (fd == desired_fd || fd < 0) return fd; else { @@ -115,27 +115,25 @@ int nohup_main (int argc, char **argv) Note that it is deliberately opened for *writing*, to ensure any read evokes an error. */ if (isatty (STDIN_FILENO)) - fd_reopen (STDIN_FILENO, "/dev/null", O_WRONLY, 0); + fd_reopen (STDIN_FILENO, "/dev/null", 0); /* If standard output is a tty, redirect it (appending) to a file. First try nohup.out, then $HOME/nohup.out. */ if (isatty (STDOUT_FILENO)) { char *in_home = NULL; char const *file = "nohup.out"; - int fd = fd_reopen (STDOUT_FILENO, file, - O_CREAT | O_WRONLY | O_APPEND, S_IRUSR | S_IWUSR); + int fd = fd_reopen (STDOUT_FILENO, file, O_CREAT | O_APPEND); if (fd < 0) { if ((in_home = getenv ("HOME")) != NULL) { in_home = concat_path_file(in_home, file); - fd = fd_reopen (STDOUT_FILENO, in_home, - O_CREAT | O_WRONLY | O_APPEND, S_IRUSR | S_IWUSR); + fd = fd_reopen (STDOUT_FILENO, in_home, O_CREAT | O_APPEND); } if (fd < 0) { bb_perror_msg("failed to open '%s'", file); if (in_home) bb_perror_msg("failed to open '%s'",in_home); - exit (NOHUP_FAILURE); + return (NOHUP_FAILURE); } file = in_home; } @@ -185,4 +183,3 @@ int nohup_main (int argc, char **argv) return (errno == ENOENT ? EXIT_ENOENT : EXIT_CANNOT_INVOKE); } } - |