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authorJunio C Hamano <junkio@cox.net>2006-01-07 01:33:54 -0800
committerJunio C Hamano <junkio@cox.net>2006-01-07 10:51:06 -0800
commit8f1d2e6f49ee51ac062ab38337a6a70dd1998def (patch)
tree0054fb58243a1ede631e0d12a0482d37c3476a25 /cache.h
parent3be7098ce444395959c856de1eb9312550193aac (diff)
downloadgit-8f1d2e6f49ee51ac062ab38337a6a70dd1998def.tar.gz
git-8f1d2e6f49ee51ac062ab38337a6a70dd1998def.tar.xz
[PATCH] Compilation: zero-length array declaration.
ISO C99 (and GCC 3.x or later) lets you write a flexible array at the end of a structure, like this: struct frotz { int xyzzy; char nitfol[]; /* more */ }; GCC 2.95 and 2.96 let you to do this with "char nitfol[0]"; unfortunately this is not allowed by ISO C90. This declares such construct like this: struct frotz { int xyzzy; char nitfol[FLEX_ARRAY]; /* more */ }; and git-compat-util.h defines FLEX_ARRAY to 0 for gcc 2.95 and empty for others. If you are using a C90 C compiler, you should be able to override this with CFLAGS=-DFLEX_ARRAY=1 from the command line of "make". Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'cache.h')
-rw-r--r--cache.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/cache.h b/cache.h
index cb87becb3..5fd268763 100644
--- a/cache.h
+++ b/cache.h
@@ -81,7 +81,7 @@ struct cache_entry {
unsigned int ce_size;
unsigned char sha1[20];
unsigned short ce_flags;
- char name[0];
+ char name[FLEX_ARRAY]; /* more */
};
#define CE_NAMEMASK (0x0fff)
@@ -257,7 +257,7 @@ extern int checkout_entry(struct cache_entry *ce, struct checkout *state);
extern struct alternate_object_database {
struct alternate_object_database *next;
char *name;
- char base[0]; /* more */
+ char base[FLEX_ARRAY]; /* more */
} *alt_odb_list;
extern void prepare_alt_odb(void);
@@ -271,7 +271,8 @@ extern struct packed_git {
unsigned int pack_use_cnt;
int pack_local;
unsigned char sha1[20];
- char pack_name[0]; /* something like ".git/objects/pack/xxxxx.pack" */
+ /* something like ".git/objects/pack/xxxxx.pack" */
+ char pack_name[FLEX_ARRAY]; /* more */
} *packed_git;
struct pack_entry {
@@ -286,7 +287,7 @@ struct ref {
unsigned char new_sha1[20];
unsigned char force;
struct ref *peer_ref; /* when renaming */
- char name[0];
+ char name[FLEX_ARRAY]; /* more */
};
extern int git_connect(int fd[2], char *url, const char *prog);