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Use more switch statements.

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This commit is contained in:
Wayne Davison
2020-06-04 16:17:12 -07:00
parent 342579aa6f
commit 778f0dff9b
1 changed files with 48 additions and 16 deletions
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64
token.c
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@@ -57,6 +57,8 @@ void init_compression_level(void)
int min_level, max_level, def_level, off_level;
switch (do_compression) {
case CPRES_NONE:
break;
case CPRES_ZLIB:
case CPRES_ZLIBX:
min_level = 1;
@@ -83,7 +85,7 @@ void init_compression_level(void)
break;
#endif
default: /* paranoia to prevent missing case values */
exit_cleanup(RERR_UNSUPPORTED);
assert(0);
}
if (do_compression_level == CLVL_NOT_SPECIFIED)
@@ -1105,18 +1107,27 @@ static void see_uncompressed_token(char *buf, int32 len)
void send_token(int f, int32 token, struct map_struct *buf, OFF_T offset,
int32 n, int32 toklen)
{
if (!do_compression)
switch (do_compression) {
case CPRES_NONE:
simple_send_token(f, token, buf, offset, n);
break;
case CPRES_ZLIB:
case CPRES_ZLIBX:
send_deflated_token(f, token, buf, offset, n, toklen);
break;
#ifdef SUPPORT_ZSTD
else if (do_compression == CPRES_ZSTD)
case CPRES_ZSTD:
send_zstd_token(f, token, buf, offset, n);
break;
#endif
#ifdef SUPPORT_LZ4
else if (do_compression == CPRES_LZ4)
case CPRES_LZ4:
send_compressed_token(f, token, buf, offset, n);
break;
#endif
else
send_deflated_token(f, token, buf, offset, n, toklen);
default:
assert(0);
}
}
/*
@@ -1129,18 +1140,27 @@ int32 recv_token(int f, char **data)
{
int tok;
if (!do_compression)
switch (do_compression) {
case CPRES_NONE:
tok = simple_recv_token(f,data);
break;
case CPRES_ZLIB:
case CPRES_ZLIBX:
tok = recv_deflated_token(f, data);
break;
#ifdef SUPPORT_ZSTD
else if (do_compression == CPRES_ZSTD)
case CPRES_ZSTD:
tok = recv_zstd_token(f, data);
break;
#endif
#ifdef SUPPORT_LZ4
else if (do_compression == CPRES_LZ4)
case CPRES_LZ4:
tok = recv_compressed_token(f, data);
break;
#endif
else /* CPRES_ZLIB & CPRES_ZLIBX */
tok = recv_deflated_token(f, data);
default:
assert(0);
}
return tok;
}
@@ -1149,12 +1169,24 @@ int32 recv_token(int f, char **data)
*/
void see_token(char *data, int32 toklen)
{
if (do_compression == CPRES_ZLIB)
switch (do_compression) {
case CPRES_NONE:
break;
case CPRES_ZLIB:
see_deflate_token(data, toklen);
break;
case CPRES_ZLIBX:
break;
#ifdef SUPPORT_LZ4
# if 0
else if (do_compression == CPRES_LZ4)
see_uncompressed_token(data, toklen);
# endif
case CPRES_LZ4:
/*see_uncompressed_token(data, toklen);*/
break;
#endif
#ifdef SUPPORT_LZ4
case CPRES_ZSTD:
break;
#endif
default:
assert(0);
}
}