diff options
| -rw-r--r-- | Documentation/technical/api-builtin.txt | 2 | ||||
| -rw-r--r-- | builtin-merge.c | 2 | ||||
| -rw-r--r-- | grep.c | 8 | ||||
| -rwxr-xr-x | t/t7002-grep.sh | 4 |
4 files changed, 12 insertions, 4 deletions
diff --git a/Documentation/technical/api-builtin.txt b/Documentation/technical/api-builtin.txt index 7ede1e64e5..5cb2b0590a 100644 --- a/Documentation/technical/api-builtin.txt +++ b/Documentation/technical/api-builtin.txt @@ -37,7 +37,7 @@ where options is the bitwise-or of: Make sure there is a work tree, i.e. the command cannot act on bare repositories. - This makes only sense when `RUN_SETUP` is also set. + This only makes sense when `RUN_SETUP` is also set. . Add `builtin-foo.o` to `BUILTIN_OBJS` in `Makefile`. diff --git a/builtin-merge.c b/builtin-merge.c index 6a51823a55..0b58e5eda1 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -764,7 +764,7 @@ static int suggest_conflicts(void) fp = fopen(git_path("MERGE_MSG"), "a"); if (!fp) - die("Could open %s for writing", git_path("MERGE_MSG")); + die("Could not open %s for writing", git_path("MERGE_MSG")); fprintf(fp, "\nConflicts:\n"); for (pos = 0; pos < active_nr; pos++) { struct cache_entry *ce = active_cache[pos]; @@ -72,6 +72,8 @@ static struct grep_expr *compile_pattern_atom(struct grep_pat **list) struct grep_expr *x; p = *list; + if (!p) + return NULL; switch (p->token) { case GREP_PATTERN: /* atom */ case GREP_PATTERN_HEAD: @@ -84,8 +86,6 @@ static struct grep_expr *compile_pattern_atom(struct grep_pat **list) case GREP_OPEN_PAREN: *list = p->next; x = compile_pattern_or(list); - if (!x) - return NULL; if (!*list || (*list)->token != GREP_CLOSE_PAREN) die("unmatched parenthesis"); *list = (*list)->next; @@ -101,6 +101,8 @@ static struct grep_expr *compile_pattern_not(struct grep_pat **list) struct grep_expr *x; p = *list; + if (!p) + return NULL; switch (p->token) { case GREP_NOT: if (!p->next) @@ -372,6 +374,8 @@ static int match_expr_eval(struct grep_expr *x, char *bol, char *eol, int h = 0; regmatch_t match; + if (!x) + die("Not a valid grep expression"); switch (x->node) { case GREP_NODE_ATOM: h = match_one_pattern(x->u.atom, bol, eol, ctx, &match, 0); diff --git a/t/t7002-grep.sh b/t/t7002-grep.sh index c4938544d4..b81593780a 100755 --- a/t/t7002-grep.sh +++ b/t/t7002-grep.sh @@ -26,6 +26,10 @@ test_expect_success setup ' git commit -m initial ' +test_expect_success 'grep should not segfault with a bad input' ' + test_must_fail git grep "(" +' + for H in HEAD '' do case "$H" in |