undef/git-commit-vandalism
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strbuf_read_file enhancement, and use it.

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* make strbuf_read_file take a size hint (works like strbuf_read)
* use it in a couple of places.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Pierre Habouzit 2007-09-27 15:25:55 +02:00 committed by Junio C Hamano
parent b315c5c081
commit 387e7e19d7
5 changed files with 14 additions and 31 deletions
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12
builtin-apply.c
View File

@ -1425,8 +1425,6 @@ static void show_stats(struct patch *patch)
static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
{
int fd;
switch (st->st_mode & S_IFMT) {
case S_IFLNK:
strbuf_grow(buf, st->st_size);
@ -1435,14 +1433,8 @@ static int read_old_data(struct stat *st, const char *path, struct strbuf *buf)
strbuf_setlen(buf, st->st_size);
return 0;
case S_IFREG:
fd = open(path, O_RDONLY);
if (fd < 0)
return error("unable to open %s", path);
if (strbuf_read(buf, fd, st->st_size) < 0) {
close(fd);
return -1;
}
close(fd);
if (strbuf_read_file(buf, path, st->st_size) != st->st_size)
return error("unable to open or read %s", path);
convert_to_git(path, buf->buf, buf->len, buf);
return 0;
default:

8
builtin-blame.c
View File

@ -2002,7 +2002,6 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
unsigned char head_sha1[20];
struct strbuf buf;
const char *ident;
int fd;
time_t now;
int size, len;
struct cache_entry *ce;
@ -2041,11 +2040,8 @@ static struct commit *fake_working_tree_commit(const char *path, const char *con
mode = canon_mode(st.st_mode);
switch (st.st_mode & S_IFMT) {
case S_IFREG:
fd = open(read_from, O_RDONLY);
if (fd < 0)
die("cannot open %s", read_from);
if (strbuf_read(&buf, fd, 0) != xsize_t(st.st_size))
die("cannot read %s", read_from);
if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size)
die("cannot open or read %s", read_from);
break;
case S_IFLNK:
if (readlink(read_from, buf.buf, buf.alloc) != fin_size)

19
builtin-tag.c
View File

@ -51,7 +51,7 @@ static void launch_editor(const char *path, struct strbuf *buffer)
if (run_command(&child))
die("There was a problem with the editor %s.", editor);
if (strbuf_read_file(buffer, path) < 0)
if (strbuf_read_file(buffer, path, 0) < 0)
die("could not read message file '%s': %s",
path, strerror(errno));
}
@ -356,8 +356,6 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp(arg, "-F")) {
int fd;
annotate = 1;
i++;
if (i == argc)
@ -365,17 +363,14 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
if (message)
die("only one -F or -m option is allowed.");
if (!strcmp(argv[i], "-"))
fd = 0;
else {
fd = open(argv[i], O_RDONLY);
if (fd < 0)
die("could not open '%s': %s",
if (!strcmp(argv[i], "-")) {
if (strbuf_read(&buf, 0, 1024) < 0)
die("cannot read %s", argv[i]);
} else {
if (strbuf_read_file(&buf, argv[i], 1024) < 0)
die("could not open or read '%s': %s",
argv[i], strerror(errno));
}
if (strbuf_read(&buf, fd, 1024) < 0) {
die("cannot read %s", argv[i]);
}
message = 1;
continue;
}

4
strbuf.c
View File

@ -186,14 +186,14 @@ int strbuf_getline(struct strbuf *sb, FILE *fp, int term)
return 0;
}
int strbuf_read_file(struct strbuf *sb, const char *path)
int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint)
{
int fd, len;
fd = open(path, O_RDONLY);
if (fd < 0)
return -1;
len = strbuf_read(sb, fd, 0);
len = strbuf_read(sb, fd, hint);
close(fd);
if (len < 0)
return -1;

2
strbuf.h
View File

@ -108,7 +108,7 @@ extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
extern size_t strbuf_fread(struct strbuf *, size_t, FILE *);
/* XXX: if read fails, any partial read is undone */
extern ssize_t strbuf_read(struct strbuf *, int fd, size_t hint);
extern int strbuf_read_file(struct strbuf *sb, const char *path);
extern int strbuf_read_file(struct strbuf *sb, const char *path, size_t hint);
extern int strbuf_getline(struct strbuf *, FILE *, int);