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Terminate source correctly when copying symlink. Report and patch by

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Brian Webb <webbb@desertscenes.net>.
This commit is contained in:
Matt Kraai 2001-04-27 15:40:27 +00:00
parent 088875fec4
commit 72ab975a6b
1 changed files with 3 additions and 2 deletions
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5
libbb/copy_file.c
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@ -200,13 +200,14 @@ int copy_file(const char *source, const char *dest, int flags)
umask(saved_umask); umask(saved_umask);
} else if (S_ISLNK(source_stat.st_mode)) { } else if (S_ISLNK(source_stat.st_mode)) {
int size;
char buf[BUFSIZ + 1]; char buf[BUFSIZ + 1];
if (readlink(source, buf, BUFSIZ) < 0) { if ((size = readlink(source, buf, BUFSIZ)) < 0) {
perror_msg("cannot read `%s'", source); perror_msg("cannot read `%s'", source);
return -1; return -1;
} }
buf[BUFSIZ] = '\0'; buf[size] = '\0';
if (symlink(buf, dest) < 0) { if (symlink(buf, dest) < 0) {
perror_msg("cannot create symlink `%s'", dest); perror_msg("cannot create symlink `%s'", dest);