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New macros to simplify writing loops over map key-value pairs.

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svn:r13302
This commit is contained in:
Nick Mathewson 2008-01-26 22:49:36 +00:00
parent ad07366da5
commit c7fe633780
1 changed files with 18 additions and 0 deletions
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18
src/common/container.h
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@ -208,6 +208,24 @@ DECLARE_MAP_FNS(digestmap_t, const char *, digestmap_);
#undef DECLARE_MAP_FNS
#define MAP_FOREACH(prefix, map, keytype, keyvar, valtype, valvar) \
STMT_BEGIN \
prefix##iter_t *key##_iter; \
for (key##_iter = prefix##iter_init(map); \
!prefix##iter_done(key##_iter); \
key##_iter = prefix##iter_next(map, key##_iter)) { \
keytype keyvar; \
void *valvar##_voidp; \
valtype valvar; \
prefix##iter_get(key##_iter, &keyvar, &valvar##_voidp); \
valvar = valvar##_voidp;
#define MAP_FOREACH_END } STMT_END ;
#define DIGESTMAP_FOREACH(map, keyvar, valtype, valvar) \
MAP_FOREACH(digestmap_, map, const char *, keyvar, valtype, valvar)
#define DIGESTMAP_FOREACH_END MAP_FOREACH_END
void* strmap_set_lc(strmap_t *map, const char *key, void *val);
void* strmap_get_lc(const strmap_t *map, const char *key);
void* strmap_remove_lc(strmap_t *map, const char *key);