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copy_file_chunk uses streams now.

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This commit is contained in:
Glenn L McGrath
2001-04-11 16:23:35 +00:00
parent 5b20d02ea9
commit 4949faf4b2
14 changed files with 269 additions and 274 deletions
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36
archival/ar.c
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@@ -36,12 +36,13 @@ extern int ar_main(int argc, char **argv)
const int extract_to_file = 8; /* extract contents of archive */
const int extract_to_stdout = 16; /* extract to stdout */
FILE *src_file = NULL, *dst_file = NULL;
int funct = 0, opt=0;
int srcFd=0, dstFd=0;
ar_headers_t head, *extract_list=NULL;
ar_headers_t *head, *extract_list=NULL;
extract_list = (ar_headers_t *) xmalloc(sizeof(ar_headers_t));
extract_list = (ar_headers_t *) xcalloc(1, sizeof(ar_headers_t));
head = (ar_headers_t *) xcalloc(1, sizeof(ar_headers_t));
while ((opt = getopt(argc, argv, "ovtpx")) != -1) {
switch (opt) {
@@ -66,21 +67,22 @@ extern int ar_main(int argc, char **argv)
}
/* check the src filename was specified */
if (optind == argc)
if (optind == argc) {
show_usage();
if ( (srcFd = open(argv[optind], O_RDONLY)) < 0)
}
if ( (src_file = wfopen(argv[optind], "r")) < 0) {
error_msg_and_die("Cannot read %s", argv[optind]);
}
optind++;
head = get_ar_headers(srcFd);
head = get_ar_headers(src_file);
/* find files to extract or display */
/* search through argv and build extract list */
for (;optind<argc; optind++) {
for (;optind < argc; optind++) {
ar_headers_t *ar_entry;
ar_entry = (ar_headers_t *) xmalloc(sizeof(ar_headers_t));
ar_entry = &head;
ar_entry = (ar_headers_t *) xcalloc(1, sizeof(ar_headers_t));
ar_entry = head;
while (ar_entry->next != NULL) {
if (strcmp(argv[optind], ar_entry->name) == 0) {
ar_headers_t *tmp;
@@ -96,20 +98,20 @@ extern int ar_main(int argc, char **argv)
/* if individual files not found extract all files */
if (extract_list->next==NULL) {
extract_list = &head;
extract_list = head;
}
/* find files to extract or display */
while (extract_list->next != NULL) {
if (funct & extract_to_file) {
dstFd = open(extract_list->name, O_WRONLY | O_CREAT, extract_list->mode);
dst_file = wfopen(extract_list->name, "w");
}
else if (funct & extract_to_stdout) {
dstFd = fileno(stdout);
dst_file = stdout;
}
if ((funct & extract_to_file) || (funct & extract_to_stdout)) {
lseek(srcFd, extract_list->offset, SEEK_SET);
copy_file_chunk(srcFd, dstFd, (off_t) extract_list->size);
fseek(src_file, extract_list->offset, SEEK_SET);
copy_file_chunk(src_file, dst_file, (off_t) extract_list->size);
}
if (funct & verbose) {
printf("%s %d/%d %8d %s ", mode_string(extract_list->mode),