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write_entry(): cleanup of some duplicated code

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The switch-cases for S_IFREG and S_IFLNK was so similar that it will
be better to do some cleanup and use the common parts of it.

And the entry.c file should now be clean for 'gcc -Wextra' warnings.

Signed-off-by: Kjetil Barvik <barvik@broadpark.no>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Kjetil Barvik 2009-02-09 21:54:50 +01:00 committed by Junio C Hamano
parent 81a9aa60a1
commit 4857c761e3
1 changed files with 29 additions and 44 deletions
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73
entry.c
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@ -78,7 +78,7 @@ static int create_file(const char *path, unsigned int mode)
return open(path, O_WRONLY | O_CREAT | O_EXCL, mode);
}
static void *read_blob_entry(struct cache_entry *ce, const char *path, unsigned long *size)
static void *read_blob_entry(struct cache_entry *ce, unsigned long *size)
{
enum object_type type;
void *new = read_sha1_file(ce->sha1, &type, size);
@ -93,36 +93,51 @@ static void *read_blob_entry(struct cache_entry *ce, const char *path, unsigned
static int write_entry(struct cache_entry *ce, char *path, const struct checkout *state, int to_tempfile)
{
int fd;
long wrote;
switch (ce->ce_mode & S_IFMT) {
char *new;
struct strbuf buf;
unsigned long size;
unsigned int ce_mode_s_ifmt = ce->ce_mode & S_IFMT;
int fd, ret;
char *new;
struct strbuf buf = STRBUF_INIT;
unsigned long size;
size_t wrote, newsize = 0;
switch (ce_mode_s_ifmt) {
case S_IFREG:
new = read_blob_entry(ce, path, &size);
case S_IFLNK:
new = read_blob_entry(ce, &size);
if (!new)
return error("git checkout-index: unable to read sha1 file of %s (%s)",
path, sha1_to_hex(ce->sha1));
if (ce_mode_s_ifmt == S_IFLNK && has_symlinks && !to_tempfile) {
ret = symlink(new, path);
free(new);
if (ret)
return error("git checkout-index: unable to create symlink %s (%s)",
path, strerror(errno));
break;
}
/*
* Convert from git internal format to working tree format
*/
strbuf_init(&buf, 0);
if (convert_to_working_tree(ce->name, new, size, &buf)) {
size_t newsize = 0;
if (ce_mode_s_ifmt == S_IFREG &&
convert_to_working_tree(ce->name, new, size, &buf)) {
free(new);
new = strbuf_detach(&buf, &newsize);
size = newsize;
}
if (to_tempfile) {
strcpy(path, ".merge_file_XXXXXX");
if (ce_mode_s_ifmt == S_IFREG)
strcpy(path, ".merge_file_XXXXXX");
else
strcpy(path, ".merge_link_XXXXXX");
fd = mkstemp(path);
} else
} else if (ce_mode_s_ifmt == S_IFREG) {
fd = create_file(path, ce->ce_mode);
} else {
fd = create_file(path, 0666);
}
if (fd < 0) {
free(new);
return error("git checkout-index: unable to create file %s (%s)",
@ -135,36 +150,6 @@ static int write_entry(struct cache_entry *ce, char *path, const struct checkout
if (wrote != size)
return error("git checkout-index: unable to write file %s", path);
break;
case S_IFLNK:
new = read_blob_entry(ce, path, &size);
if (!new)
return error("git checkout-index: unable to read sha1 file of %s (%s)",
path, sha1_to_hex(ce->sha1));
if (to_tempfile || !has_symlinks) {
if (to_tempfile) {
strcpy(path, ".merge_link_XXXXXX");
fd = mkstemp(path);
} else
fd = create_file(path, 0666);
if (fd < 0) {
free(new);
return error("git checkout-index: unable to create "
"file %s (%s)", path, strerror(errno));
}
wrote = write_in_full(fd, new, size);
close(fd);
free(new);
if (wrote != size)
return error("git checkout-index: unable to write file %s",
path);
} else {
wrote = symlink(new, path);
free(new);
if (wrote)
return error("git checkout-index: unable to create "
"symlink %s (%s)", path, strerror(errno));
}
break;
case S_IFGITLINK:
if (to_tempfile)
return error("git checkout-index: cannot create temporary subproject %s", path);