diff options
| -rw-r--r-- | builtin-stripspace.c | 4 | ||||
| -rw-r--r-- | cache.h | 2 | ||||
| -rw-r--r-- | mktag.c | 2 | ||||
| -rw-r--r-- | sha1_file.c | 21 |
4 files changed, 20 insertions, 9 deletions
diff --git a/builtin-stripspace.c b/builtin-stripspace.c index 0c970aa94..55716873d 100644 --- a/builtin-stripspace.c +++ b/builtin-stripspace.c @@ -79,8 +79,10 @@ int cmd_stripspace(int argc, const char **argv, const char *prefix) size = 1024; buffer = xmalloc(size); - if (read_pipe(0, &buffer, &size)) + if (read_fd(0, &buffer, &size)) { + free(buffer); die("could not read the input"); + } size = stripspace(buffer, size, 0); write_or_die(1, buffer, size); @@ -265,7 +265,7 @@ extern int ie_match_stat(struct index_state *, struct cache_entry *, struct stat extern int ie_modified(struct index_state *, struct cache_entry *, struct stat *, int); extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path); -extern int read_pipe(int fd, char** return_buf, unsigned long* return_size); +extern int read_fd(int fd, char **return_buf, unsigned long *return_size); extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object); extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); @@ -120,7 +120,7 @@ int main(int argc, char **argv) setup_git_directory(); - if (read_pipe(0, &buffer, &size)) { + if (read_fd(0, &buffer, &size)) { free(buffer); die("could not read from stdin"); } diff --git a/sha1_file.c b/sha1_file.c index 1efd9ae19..aca741b79 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -2304,27 +2304,36 @@ int has_sha1_file(const unsigned char *sha1) * * returns 0 if anything went fine and -1 otherwise * + * The buffer is always NUL-terminated, not including it in returned size. + * * NOTE: both buf and size may change, but even when -1 is returned * you still have to free() it yourself. */ -int read_pipe(int fd, char** return_buf, unsigned long* return_size) +int read_fd(int fd, char **return_buf, unsigned long *return_size) { - char* buf = *return_buf; + char *buf = *return_buf; unsigned long size = *return_size; ssize_t iret; unsigned long off = 0; + if (!buf || size <= 1) { + size = 1024; + buf = xrealloc(buf, size); + } + do { - iret = xread(fd, buf + off, size - off); + iret = xread(fd, buf + off, (size - 1) - off); if (iret > 0) { off += iret; - if (off == size) { - size *= 2; + if (off == size - 1) { + size = alloc_nr(size); buf = xrealloc(buf, size); } } } while (iret > 0); + buf[off] = '\0'; + *return_buf = buf; *return_size = off; @@ -2339,7 +2348,7 @@ int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object) char *buf = xmalloc(size); int ret; - if (read_pipe(fd, &buf, &size)) { + if (read_fd(fd, &buf, &size)) { free(buf); return -1; } |