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Add support for GCC below 4.1.0.

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This commit is contained in:
Red54
2015-11-27 15:01:59 +08:00
parent bbbe470d9f
commit 5b840a375d
1 changed files with 2 additions and 2 deletions
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4
src/civetweb.c
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@@ -1253,7 +1253,7 @@ mg_atomic_inc(volatile int *addr)
* (volatile unsigned int *) or (volatile LONG *),
* so whatever you use, the other SDK is likely to raise a warning. */
ret = InterlockedIncrement((volatile long *)addr);
#elif defined(__GNUC__)
#elif defined(__GNUC__) && (__GNUC__ > 5 || (__GNUC__ == 4 && __GNUC_MINOR__ > 0))
ret = __sync_add_and_fetch(addr, 1);
#else
ret = (++(*addr));
@@ -1270,7 +1270,7 @@ mg_atomic_dec(volatile int *addr)
* (volatile unsigned int *) or (volatile LONG *),
* so whatever you use, the other SDK is likely to raise a warning. */
ret = InterlockedDecrement((volatile long *)addr);
#elif defined(__GNUC__)
#elif defined(__GNUC__) && (__GNUC__ > 5 || (__GNUC__ == 4 && __GNUC_MINOR__ > 0))
ret = __sync_sub_and_fetch(addr, 1);
#else
ret = (--(*addr));