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unzip: return uncompressed size in `filesize', and print it.

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The unzip command did not provide a way for the caller to get any
information about the uncompressed size.  To make it better usable in
scripts, we now store the uncompressed size in the `filesize'
variable, like we do when for example loading a file over the network
or when reading it from a file system.  Following that analogy, it is
only consequent to also print the size.

Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Wolfgang Denk 2011-02-11 20:20:51 +01:00
parent cc22b795fb
commit 67fb0622a9
1 changed files with 9 additions and 1 deletions
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10
common/cmd_mem.c
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@ -1212,6 +1212,7 @@ int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned long src, dst;
unsigned long src_len = ~0UL, dst_len = ~0UL;
char buf[32];
switch (argc) {
case 4:
@ -1225,7 +1226,14 @@ int do_unzip ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return cmd_usage(cmdtp);
}
return !!gunzip((void *) dst, dst_len, (void *) src, &src_len);
if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
return 1;
printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
sprintf(buf, "%lX", src_len);
setenv("filesize", buf);
return 0;
}
#endif /* CONFIG_CMD_UNZIP */