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authorGlenn L McGrath2003-12-20 04:38:01 +0000
committerGlenn L McGrath2003-12-20 04:38:01 +0000
commitf62ea20affa0876756463f909d2d549d44736a26 (patch)
tree07405469c301d355c574cb5c9acb00895aa69af4 /libbb/copy_file.c
parent266c1f5eff52fa211774733c92566102016dd1b6 (diff)
downloadbusybox-f62ea20affa0876756463f909d2d549d44736a26.zip
busybox-f62ea20affa0876756463f909d2d549d44736a26.tar.gz
Use low level file descriptors to match bb_copyfd_eof
Diffstat (limited to 'libbb/copy_file.c')
-rw-r--r--libbb/copy_file.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/libbb/copy_file.c b/libbb/copy_file.c
index c9d239f..ffdb824 100644
--- a/libbb/copy_file.c
+++ b/libbb/copy_file.c
@@ -123,7 +123,8 @@ int copy_file(const char *source, const char *dest, int flags)
status = -1;
}
} else if (S_ISREG(source_stat.st_mode)) {
- FILE *sfp, *dfp=NULL;
+ int src_fd;
+ int dst_fd;
#ifdef CONFIG_FEATURE_PRESERVE_HARDLINKS
char *link_name;
@@ -137,30 +138,32 @@ int copy_file(const char *source, const char *dest, int flags)
return 0;
}
#endif
-
- if ((sfp = bb_wfopen(source, "r")) == NULL) {
- return -1;
+ src_fd = open(source, O_RDONLY);
+ if (src_fd == -1) {
+ bb_perror_msg("unable to open `%s'", source);
+ return(-1);
}
if (dest_exists) {
if (flags & FILEUTILS_INTERACTIVE) {
- fprintf(stderr, "%s: overwrite `%s'? ", bb_applet_name, dest);
+ bb_error_msg("overwrite `%s'? ", dest);
if (!bb_ask_confirmation()) {
- fclose (sfp);
+ close (src_fd);
return 0;
}
}
- if ((dfp = fopen(dest, "w")) == NULL) {
+ dst_fd = open(dest, O_WRONLY);
+ if (dst_fd == -1) {
if (!(flags & FILEUTILS_FORCE)) {
bb_perror_msg("unable to open `%s'", dest);
- fclose (sfp);
+ close(src_fd);
return -1;
}
if (unlink(dest) < 0) {
bb_perror_msg("unable to remove `%s'", dest);
- fclose (sfp);
+ close(src_fd);
return -1;
}
@@ -169,27 +172,23 @@ int copy_file(const char *source, const char *dest, int flags)
}
if (!dest_exists) {
- int fd;
-
- if ((fd = open(dest, O_WRONLY|O_CREAT, source_stat.st_mode)) < 0 ||
- (dfp = fdopen(fd, "w")) == NULL) {
- if (fd >= 0)
- close(fd);
+ dst_fd = open(dest, O_WRONLY|O_CREAT, source_stat.st_mode);
+ if (dst_fd == -1) {
bb_perror_msg("unable to open `%s'", dest);
- fclose (sfp);
- return -1;
+ close(src_fd);
+ return(-1);
}
}
- if (bb_copyfd_eof(fileno(sfp), fileno(dfp)) == -1)
+ if (bb_copyfd_eof(src_fd, dst_fd) == -1)
status = -1;
- if (fclose(dfp) < 0) {
+ if (close(dst_fd) < 0) {
bb_perror_msg("unable to close `%s'", dest);
status = -1;
}
- if (fclose(sfp) < 0) {
+ if (close(src_fd) < 0) {
bb_perror_msg("unable to close `%s'", source);
status = -1;
}