From: Mikael Magnusson Date: Fri, 6 Nov 2009 23:40:10 +0100 Subject: [PATCH] attr: Fix some logic errors pointed out by clang Three _len variables were checked when they were uninitialized The case for returning 2 could never occur --- Src/Modules/attr.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/Src/Modules/attr.c b/Src/Modules/attr.c index 7234862..a9e9949 100644 --- a/Src/Modules/attr.c +++ b/Src/Modules/attr.c @@ -98,7 +98,7 @@ static int bin_getattr(char *nam, char **argv, Options ops, UNUSED(int func)) { int ret = 0; - int list_len, val_len, attr_len, slen; + int list_len, val_len = 0, attr_len = 0, slen; char *value, *file = argv[0], *attr = argv[1], *param = argv[2]; int symlink = OPT_ISSET(ops, 'h'); @@ -125,9 +125,9 @@ bin_getattr(char *nam, char **argv, Options ops, UNUSED(int func)) zfree(value, val_len+1); } } - if (list_len < 0 || val_len < 0 || attr_len < 0) { + if (list_len < 0 || val_len < 0 || attr_len < 0 || attr_len > val_len) { zwarnnam(nam, "%s: %e", metafy(file, slen, META_NOALLOC), errno); - ret = 1 + (attr_len > val_len); + ret = 1 + (attr_len > val_len || attr_len < 0); } return ret; } @@ -172,7 +172,7 @@ static int bin_listattr(char *nam, char **argv, Options ops, UNUSED(int func)) { int ret = 0; - int val_len, list_len, slen; + int val_len, list_len = 0, slen; char *value, *file = argv[0], *param = argv[1]; int symlink = OPT_ISSET(ops, 'h'); @@ -214,9 +214,9 @@ bin_listattr(char *nam, char **argv, Options ops, UNUSED(int func)) } zfree(value, val_len+1); } - if (val_len < 0 || list_len < 0) { + if (val_len < 0 || list_len < 0 || list_len > val_len) { zwarnnam(nam, "%s: %e", metafy(file, slen, META_NOALLOC), errno); - ret = 1 + (list_len > val_len); + ret = 1 + (list_len > val_len || list_len < 0); } return ret; } -- 1.6.5