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Use token-pasting magic to make nested SMARTLIST_FOREACH work.

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svn:r2526
This commit is contained in:
Nick Mathewson
2004-10-15 04:45:47 +00:00
parent ff38cc06e1
commit 5e80944c52
1 changed files with 4 additions and 3 deletions
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src/common/util.h
+4 -3
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@@ -149,10 +149,11 @@ char *smartlist_join_strings(smartlist_t *sl, const char *join, int terminate);
#define SMARTLIST_FOREACH(sl, type, var, cmd) \
do { \
int sl_idx, sl_len=smartlist_len(sl); \
int var ## _sl_idx, var ## _sl_len=smartlist_len(sl); \
type var; \
for(sl_idx = 0; sl_idx < sl_len; ++sl_idx) { \
var = smartlist_get((sl),sl_idx); \
for(var ## _sl_idx = 0; var ## _sl_idx < var ## _sl_len; \
++var ## _sl_idx) { \
var = smartlist_get((sl),var ## _sl_idx); \
do {cmd;} while(0); \
} } while (0)