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Diffstat (limited to 'config.c')
-rw-r--r--config.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/config.c b/config.c
index 66c0a51bce..27a73c8500 100644
--- a/config.c
+++ b/config.c
@@ -12,6 +12,7 @@
#include "quote.h"
#include "hashmap.h"
#include "string-list.h"
+#include "utf8.h"
struct config_source {
struct config_source *prev;
@@ -417,8 +418,7 @@ static int git_parse_source(config_fn_t fn, void *data)
struct strbuf *var = &cf->var;
/* U+FEFF Byte Order Mark in UTF8 */
- static const unsigned char *utf8_bom = (unsigned char *) "\xef\xbb\xbf";
- const unsigned char *bomptr = utf8_bom;
+ const char *bomptr = utf8_bom;
for (;;) {
int c = get_next_char();
@@ -426,7 +426,7 @@ static int git_parse_source(config_fn_t fn, void *data)
/* We are at the file beginning; skip UTF8-encoded BOM
* if present. Sane editors won't put this in on their
* own, but e.g. Windows Notepad will do it happily. */
- if ((unsigned char) c == *bomptr) {
+ if (c == (*bomptr & 0377)) {
bomptr++;
continue;
} else {
@@ -1185,10 +1185,8 @@ int git_config_system(void)
int git_config_early(config_fn_t fn, void *data, const char *repo_config)
{
int ret = 0, found = 0;
- char *xdg_config = NULL;
- char *user_config = NULL;
-
- home_config_paths(&user_config, &xdg_config, "config");
+ char *xdg_config = xdg_config_home("config");
+ char *user_config = expand_user_path("~/.gitconfig");
if (git_config_system() && !access_or_die(git_etc_gitconfig(), R_OK, 0)) {
ret += git_config_from_file(fn, git_etc_gitconfig(),
@@ -1939,6 +1937,8 @@ int git_config_set_multivar_in_file(const char *config_filename,
int ret;
struct lock_file *lock = NULL;
char *filename_buf = NULL;
+ char *contents = NULL;
+ size_t contents_sz;
/* parse-key returns negative; flip the sign to feed exit(3) */
ret = 0 - git_config_parse_key(key, &store.key, &store.baselen);
@@ -1988,8 +1988,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
goto write_err_out;
} else {
struct stat st;
- char *contents;
- size_t contents_sz, copy_begin, copy_end;
+ size_t copy_begin, copy_end;
int i, new_line = 0;
if (value_regex == NULL)
@@ -2052,8 +2051,17 @@ int git_config_set_multivar_in_file(const char *config_filename,
fstat(in_fd, &st);
contents_sz = xsize_t(st.st_size);
- contents = xmmap(NULL, contents_sz, PROT_READ,
- MAP_PRIVATE, in_fd, 0);
+ contents = xmmap_gently(NULL, contents_sz, PROT_READ,
+ MAP_PRIVATE, in_fd, 0);
+ if (contents == MAP_FAILED) {
+ if (errno == ENODEV && S_ISDIR(st.st_mode))
+ errno = EISDIR;
+ error("unable to mmap '%s': %s",
+ config_filename, strerror(errno));
+ ret = CONFIG_INVALID_FILE;
+ contents = NULL;
+ goto out_free;
+ }
close(in_fd);
if (chmod(lock->filename.buf, st.st_mode & 07777) < 0) {
@@ -2108,8 +2116,6 @@ int git_config_set_multivar_in_file(const char *config_filename,
contents_sz - copy_begin) <
contents_sz - copy_begin)
goto write_err_out;
-
- munmap(contents, contents_sz);
}
if (commit_lock_file(lock) < 0) {
@@ -2135,6 +2141,8 @@ out_free:
if (lock)
rollback_lock_file(lock);
free(filename_buf);
+ if (contents)
+ munmap(contents, contents_sz);
return ret;
write_err_out: