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https://developers.redhat.com/blog/2017/03/10/wimplicit-fallthrough-in-gcc-7/ Fixes the following warnings by annotating with a /* FALLTHRU */ comment. Unfortunately, the __attribute__ ((fallthrough)); approach does not appear to work with older compilers. ../cil/src/cil_parser.c: In function ‘cil_parser’: ../cil/src/cil_parser.c:253:14: warning: this statement may fall through [-Wimplicit-fallthrough=] tok.value = tok.value+1; ~~~~~~~~~~^~~~~~~~~~~~~ ../cil/src/cil_parser.c:254:3: note: here case SYMBOL: ^~~~ ../cil/src/cil_parser.c:275:7: warning: this statement may fall through [-Wimplicit-fallthrough=] if (tok.type != END_OF_FILE) { ^ ../cil/src/cil_parser.c:279:3: note: here case END_OF_FILE: ^~~~ ../cil/src/cil_post.c: In function ‘cil_post_fc_fill_data’: ../cil/src/cil_post.c:104:5: warning: this statement may fall through [-Wimplicit-fallthrough=] c++; ~^~ ../cil/src/cil_post.c:105:3: note: here default: ^~~~~~~ regex.c: In function ‘regex_format_error’: regex.c:541:10: warning: this statement may fall through [-Wimplicit-fallthrough=] *ptr++ = '.'; ~~~~~~~^~~~~ regex.c:542:2: note: here case 3: ^~~~ regex.c:543:10: warning: this statement may fall through [-Wimplicit-fallthrough=] *ptr++ = '.'; ~~~~~~~^~~~~ regex.c:544:2: note: here case 2: ^~~~ regex.c:545:10: warning: this statement may fall through [-Wimplicit-fallthrough=] *ptr++ = '.'; ~~~~~~~^~~~~ regex.c:546:2: note: here case 1: ^~~~ regex.c: In function ‘regex_format_error’: regex.c:541:10: warning: this statement may fall through [-Wimplicit-fallthrough=] *ptr++ = '.'; ~~~~~~~^~~~~ regex.c:542:2: note: here case 3: ^~~~ regex.c:543:10: warning: this statement may fall through [-Wimplicit-fallthrough=] *ptr++ = '.'; ~~~~~~~^~~~~ regex.c:544:2: note: here case 2: ^~~~ regex.c:545:10: warning: this statement may fall through [-Wimplicit-fallthrough=] *ptr++ = '.'; ~~~~~~~^~~~~ regex.c:546:2: note: here case 1: ^~~~ modules.c: In function ‘semanage_module_get_path’: modules.c:602:7: warning: this statement may fall through [-Wimplicit-fallthrough=] if (file == NULL) file = "hll"; ^ modules.c:603:3: note: here case SEMANAGE_MODULE_PATH_CIL: ^~~~ modules.c:604:7: warning: this statement may fall through [-Wimplicit-fallthrough=] if (file == NULL) file = "cil"; ^ modules.c:605:3: note: here case SEMANAGE_MODULE_PATH_LANG_EXT: ^~~~ Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> |
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