don't dereference NULL upon fdopen failure

There were several unchecked use of fdopen(); replace them with xfdopen()
that checks and dies.

Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-add.c b/builtin-add.c
index a5714735e6ef70f92f56a4cca67c7b78e3ef255a..cb6e5906fb76f2460f212c54b557e5ae0ce23579 100644 (file)
--- a/builtin-add.c
+++ b/builtin-add.c
@@ -198,7 +198,7 @@ static int edit_patch(int argc, const char **argv, const char *prefix)
        out = open(file, O_CREAT | O_WRONLY, 0644);
        if (out < 0)
                die ("Could not open '%s' for writing.", file);
-       rev.diffopt.file = fdopen(out, "w");
+       rev.diffopt.file = xfdopen(out, "w");
        rev.diffopt.close_file = 1;
        if (run_diff_files(&rev, 0))
                die ("Could not write patch");

diff --git a/builtin-mailsplit.c b/builtin-mailsplit.c
index ee6ca0ebcd0a9ad63da79575f6bc26116b5606c2..dfe5b151e6e0030abf6248808d414b2fecc5fdb7 100644 (file)
--- a/builtin-mailsplit.c
+++ b/builtin-mailsplit.c
@@ -64,7 +64,7 @@ static int split_one(FILE *mbox, const char *name, int allow_bare)
        fd = open(name, O_WRONLY | O_CREAT | O_EXCL, 0666);
        if (fd < 0)
                die_errno("cannot open output file '%s'", name);
-       output = fdopen(fd, "w");
+       output = xfdopen(fd, "w");
 
        /* Copy it out, while searching for a line that begins with
         * "From " and having something that looks like a date format.

diff --git a/bundle.c b/bundle.c
index e4b2aa9c4a2a7fb52121828343aa27ab47d17279..df95e151e2e82b48e4f15f2180838bf2d178f923 100644 (file)
--- a/bundle.c
+++ b/bundle.c
@@ -234,7 +234,7 @@ int create_bundle(struct bundle_header *header, const char *path,
        rls.git_cmd = 1;
        if (start_command(&rls))
                return -1;
-       rls_fout = fdopen(rls.out, "r");
+       rls_fout = xfdopen(rls.out, "r");
        while (fgets(buffer, sizeof(buffer), rls_fout)) {
                unsigned char sha1[20];
                if (buffer[0] == '-') {

diff --git a/transport-helper.c b/transport-helper.c
index 832d81f231d54e62a1dea5205585b0caa7954436..f57e84c67641b5a03ba8d9ed5182507bb54dcd15 100644 (file)
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -39,7 +39,7 @@ static struct child_process *get_helper(struct transport *transport)
 
        write_str_in_full(helper->in, "capabilities\n");
 
-       file = fdopen(helper->out, "r");
+       file = xfdopen(helper->out, "r");
        while (1) {
                if (strbuf_getline(&buf, file, '\n') == EOF)
                        exit(128); /* child died, message supplied already */
@@ -71,7 +71,7 @@ static int fetch_with_fetch(struct transport *transport,
                            int nr_heads, const struct ref **to_fetch)
 {
        struct child_process *helper = get_helper(transport);
-       FILE *file = fdopen(helper->out, "r");
+       FILE *file = xfdopen(helper->out, "r");
        int i;
        struct strbuf buf = STRBUF_INIT;
 
@@ -124,7 +124,7 @@ static struct ref *get_refs_list(struct transport *transport, int for_push)
 
        write_str_in_full(helper->in, "list\n");
 
-       file = fdopen(helper->out, "r");
+       file = xfdopen(helper->out, "r");
        while (1) {
                char *eov, *eon;
                if (strbuf_getline(&buf, file, '\n') == EOF)

diff --git a/upload-pack.c b/upload-pack.c
index b3471e417de64fb6bef300923f4b2c1b6351fa6d..38ddac2e8607f4cc6a801eeb49ba755dd89ee81c 100644 (file)
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -108,7 +108,7 @@ static int do_rev_list(int fd, void *create_full_pack)
        int i;
        struct rev_info revs;
 
-       pack_pipe = fdopen(fd, "w");
+       pack_pipe = xfdopen(fd, "w");
        init_revisions(&revs, NULL);
        revs.tag_objects = 1;
        revs.tree_objects = 1;
@@ -255,7 +255,7 @@ static void create_pack_file(void)
 
        /* pass on revisions we (don't) want */
        if (!shallow_nr) {
-               FILE *pipe_fd = fdopen(pack_objects.in, "w");
+               FILE *pipe_fd = xfdopen(pack_objects.in, "w");
                if (!create_full_pack) {
                        int i;
                        for (i = 0; i < want_obj.nr; i++)