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fetch: readlink does not end buffer with \0 

According the manpage readlink(2) does not append a null byte to buf.
So we have to do it ourselves.
cute-signatures
Natanael Copa 2009-06-11 09:21:17 +00:00
parent 64a85ec65d
commit 3646350479
1 changed files with 4 additions and 1 deletions
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5
src/fetch.c
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@ -91,7 +91,10 @@ static int fetch_package(struct fetch_ctx *fctx,
} else { } else {
if ((fctx->flags & FETCH_LINK) && apk_url_local_file(infile)) { if ((fctx->flags & FETCH_LINK) && apk_url_local_file(infile)) {
char real_infile[256]; char real_infile[256];
readlink(infile, real_infile, sizeof(real_infile)); int n;
n = readlink(infile, real_infile, sizeof(real_infile));
if (n > 0 && n < sizeof(real_infile))
real_infile[n] = '\0';
if (link(real_infile, outfile) == 0) if (link(real_infile, outfile) == 0)
return 0; return 0;
} }