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Try to avoid issues with GCC pragmas and older compilers.

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See issue #5394.
This commit is contained in:
antirez 2018-09-28 13:00:41 +02:00
parent 5aa347b377
commit 08c26591e3
1 changed files with 7 additions and 4 deletions
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11
src/lzf_d.c
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@ -52,6 +52,10 @@
#endif #endif
#endif #endif
#if defined(__GNUC__) && __GNUC__ >= 5
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
#endif
unsigned int unsigned int
lzf_decompress (const void *const in_data, unsigned int in_len, lzf_decompress (const void *const in_data, unsigned int in_len,
void *out_data, unsigned int out_len) void *out_data, unsigned int out_len)
@ -86,8 +90,6 @@ lzf_decompress (const void *const in_data, unsigned int in_len,
#ifdef lzf_movsb #ifdef lzf_movsb
lzf_movsb (op, ip, ctrl); lzf_movsb (op, ip, ctrl);
#else #else
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
switch (ctrl) switch (ctrl)
{ {
case 32: *op++ = *ip++; case 31: *op++ = *ip++; case 30: *op++ = *ip++; case 29: *op++ = *ip++; case 32: *op++ = *ip++; case 31: *op++ = *ip++; case 30: *op++ = *ip++; case 29: *op++ = *ip++;
@ -99,7 +101,6 @@ lzf_decompress (const void *const in_data, unsigned int in_len,
case 8: *op++ = *ip++; case 7: *op++ = *ip++; case 6: *op++ = *ip++; case 5: *op++ = *ip++; case 8: *op++ = *ip++; case 7: *op++ = *ip++; case 6: *op++ = *ip++; case 5: *op++ = *ip++;
case 4: *op++ = *ip++; case 3: *op++ = *ip++; case 2: *op++ = *ip++; case 1: *op++ = *ip++; case 4: *op++ = *ip++; case 3: *op++ = *ip++; case 2: *op++ = *ip++; case 1: *op++ = *ip++;
} }
#pragma GCC diagnostic pop
#endif #endif
} }
else /* back reference */ else /* back reference */
@ -185,4 +186,6 @@ lzf_decompress (const void *const in_data, unsigned int in_len,
return op - (u8 *)out_data; return op - (u8 *)out_data;
} }
#if defined(__GNUC__) && __GNUC__ >= 5
#pragma GCC diagnostic pop
#endif