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8 | 8 | * |
9 | 9 | * |
10 | 10 | * IDENTIFICATION |
11 | | - * $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.309 2009/05/29 13:54:52 meskes Exp $ |
| 11 | + * $PostgreSQL: pgsql/src/backend/commands/copy.c,v 1.310 2009/06/03 14:48:33 momjian Exp $ |
12 | 12 | * |
13 | 13 | *------------------------------------------------------------------------- |
14 | 14 | */ |
@@ -175,7 +175,8 @@ typedef struct |
175 | 175 | /* |
176 | 176 | * These macros centralize code used to process line_buf and raw_buf buffers. |
177 | 177 | * They are macros because they often do continue/break control and to avoid |
178 | | - * function call overhead in tight COPY loops. |
| 178 | + * function call overhead in tight COPY loops. "((void) 0)" is used to silence |
| 179 | + * compiler warnings. |
179 | 180 | * |
180 | 181 | * We must use "if (1)" because "do {} while(0)" overrides the continue/break |
181 | 182 | * processing.See http://www.cit.gu.edu.au/~anthony/info/C/C.macros. |
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