ifupdown: save some 100+ bytes of code in addstr()

[oweals/busybox.git] / archival / rpm.c

diff --git a/archival/rpm.c b/archival/rpm.c
index 3b70439a7bb4f40100db931b1907bef81f5b9e6b..2ef7232f44e4c6f5a392b5d669a9b3bbfc658f56 100644 (file)
--- a/archival/rpm.c
+++ b/archival/rpm.c
@@ -7,16 +7,6 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include <stdio.h>
-#include <unistd.h>
-#include <signal.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <netinet/in.h> /* For ntohl & htonl function */
-#include <string.h> /* For strncmp */
-#include <sys/mman.h> /* For mmap */
-#include <time.h> /* For ctime */
-
 #include "busybox.h"
 #include "unarchive.h"
 
@@ -80,17 +70,15 @@ static void *map;
 static rpm_index **mytags;
 static int tagcount;
 
-void extract_cpio_gz(int fd);
-rpm_index **rpm_gettags(int fd, int *num_tags);
-int bsearch_rpmtag(const void *key, const void *item);
-char *rpm_getstring(int tag, int itemindex);
-int rpm_getint(int tag, int itemindex);
-int rpm_getcount(int tag);
-void exec_script(int progtag, int datatag, char *prefix);
-void fileaction_dobackup(char *filename, int fileref);
-void fileaction_setowngrp(char *filename, int fileref);
-void fileaction_list(char *filename, int itemno);
-void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
+static void extract_cpio_gz(int fd);
+static rpm_index **rpm_gettags(int fd, int *num_tags);
+static int bsearch_rpmtag(const void *key, const void *item);
+static char *rpm_getstring(int tag, int itemindex);
+static int rpm_getint(int tag, int itemindex);
+static int rpm_getcount(int tag);
+static void fileaction_dobackup(char *filename, int fileref);
+static void fileaction_setowngrp(char *filename, int fileref);
+static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
 
 int rpm_main(int argc, char **argv)
 {
@@ -127,7 +115,7 @@ int rpm_main(int argc, char **argv)
 
        if (optind == argc) bb_show_usage();
        while (optind < argc) {
-               rpm_fd = bb_xopen(argv[optind], O_RDONLY);
+               rpm_fd = xopen(argv[optind], O_RDONLY);
                mytags = rpm_gettags(rpm_fd, (int *) &tagcount);
                offset = lseek(rpm_fd, 0, SEEK_CUR);
                if (!mytags) { printf("Error reading rpm header\n"); exit(-1); }
@@ -179,13 +167,13 @@ int rpm_main(int argc, char **argv)
        return 0;
 }
 
-void extract_cpio_gz(int fd) {
+static void extract_cpio_gz(int fd) {
        archive_handle_t *archive_handle;
        unsigned char magic[2];
 
        /* Initialise */
        archive_handle = init_handle();
-       archive_handle->seek = seek_by_char;
+       archive_handle->seek = seek_by_read;
        //archive_handle->action_header = header_list;
        archive_handle->action_data = data_extract_all;
        archive_handle->flags |= ARCHIVE_PRESERVE_DATE;
@@ -195,10 +183,10 @@ void extract_cpio_gz(int fd) {
 
        xread(archive_handle->src_fd, &magic, 2);
        if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
-               bb_error_msg_and_die("Invalid gzip magic");
+               bb_error_msg_and_die("invalid gzip magic");
        }
        check_header_gzip(archive_handle->src_fd);
-       bb_xchdir("/"); // Install RPM's to root
+       xchdir("/"); // Install RPM's to root
 
        archive_handle->src_fd = open_transformer(archive_handle->src_fd, inflate_gunzip);
        archive_handle->offset = 0;
@@ -206,7 +194,7 @@ void extract_cpio_gz(int fd) {
 }
 
 
-rpm_index **rpm_gettags(int fd, int *num_tags)
+static rpm_index **rpm_gettags(int fd, int *num_tags)
 {
        rpm_index **tags = xzalloc(200 * sizeof(struct rpmtag *)); /* We should never need mode than 200, and realloc later */
        int pass, tagindex = 0;
@@ -245,14 +233,14 @@ rpm_index **rpm_gettags(int fd, int *num_tags)
        return tags; /* All done, leave the file at the start of the gzipped cpio archive */
 }
 
-int bsearch_rpmtag(const void *key, const void *item)
+static int bsearch_rpmtag(const void *key, const void *item)
 {
        int *tag = (int *)key;
        rpm_index **tmp = (rpm_index **) item;
        return (*tag - tmp[0]->tag);
 }
 
-int rpm_getcount(int tag)
+static int rpm_getcount(int tag)
 {
        rpm_index **found;
        found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
@@ -260,7 +248,7 @@ int rpm_getcount(int tag)
        else return found[0]->count;
 }
 
-char *rpm_getstring(int tag, int itemindex)
+static char *rpm_getstring(int tag, int itemindex)
 {
        rpm_index **found;
        found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag);
@@ -273,7 +261,7 @@ char *rpm_getstring(int tag, int itemindex)
        } else return NULL;
 }
 
-int rpm_getint(int tag, int itemindex)
+static int rpm_getint(int tag, int itemindex)
 {
        rpm_index **found;
        int n, *tmpint;
@@ -294,7 +282,7 @@ int rpm_getint(int tag, int itemindex)
        } else return -1;
 }
 
-void fileaction_dobackup(char *filename, int fileref)
+static void fileaction_dobackup(char *filename, int fileref)
 {
        struct stat oldfile;
        int stat_res;
@@ -302,8 +290,7 @@ void fileaction_dobackup(char *filename, int fileref)
        if (rpm_getint(RPMTAG_FILEFLAGS, fileref) & RPMFILE_CONFIG) { /* Only need to backup config files */
                stat_res = lstat (filename, &oldfile);
                if (stat_res == 0 && S_ISREG(oldfile.st_mode)) { /* File already exists  - really should check MD5's etc to see if different */
-                       newname = bb_xstrdup(filename);
-                       newname = strcat(newname, ".rpmorig");
+                       newname = xasprintf("%s.rpmorig", filename);
                        copy_file(filename, newname, FILEUTILS_RECUR | FILEUTILS_PRESERVE_STATUS);
                        remove_file(filename, FILEUTILS_RECUR | FILEUTILS_FORCE);
                        free(newname);
@@ -311,24 +298,19 @@ void fileaction_dobackup(char *filename, int fileref)
        }
 }
 
-void fileaction_setowngrp(char *filename, int fileref)
+static void fileaction_setowngrp(char *filename, int fileref)
 {
        int uid, gid;
        uid = bb_xgetpwnam(rpm_getstring(RPMTAG_FILEUSERNAME, fileref));
        gid = bb_xgetgrnam(rpm_getstring(RPMTAG_FILEGROUPNAME, fileref));
-       chown (filename, uid, gid);
-}
-
-void fileaction_list(char *filename, int ATTRIBUTE_UNUSED fileref)
-{
-       printf("%s\n", filename);
+       chown(filename, uid, gid);
 }
 
-void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
+static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref))
 {
        int count = 0;
        while (rpm_getstring(filetag, count)) {
-               char * filename = bb_xasprintf("%s%s",
+               char * filename = xasprintf("%s%s",
                        rpm_getstring(RPMTAG_DIRNAMES, rpm_getint(RPMTAG_DIRINDEXES,
                        count)), rpm_getstring(RPMTAG_BASENAMES, count));
                fileaction(filename, count++);