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Merge pull request #13882 from opensourcerouting/fix/dead_code

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bgpd: Drop dead code when parsing extcommunity (color)
This commit is contained in:
Donald Sharp 2023-07-01 14:33:07 -04:00 committed by GitHub
commit e8cb6df466
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 55 additions and 64 deletions
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119
bgpd/bgp_ecommunity.c
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@ -557,7 +557,6 @@ static const char *ecommunity_gettoken(const char *str, void *eval_ptr,
int dot = 0; int dot = 0;
int digit = 0; int digit = 0;
int separator = 0; int separator = 0;
int i;
const char *p = str; const char *p = str;
char *endptr; char *endptr;
struct in_addr ip; struct in_addr ip;
@ -585,83 +584,75 @@ static const char *ecommunity_gettoken(const char *str, void *eval_ptr,
return NULL; return NULL;
/* "rt", "nt", "soo", and "color" keyword parse. */ /* "rt", "nt", "soo", and "color" keyword parse. */
if (!isdigit((unsigned char)*p)) { /* "rt" */
/* "rt" match check. */ if (tolower((unsigned char)*p) == 'r') {
if (tolower((unsigned char)*p) == 'r') { p++;
if (tolower((unsigned char)*p) == 't') {
p++; p++;
if (tolower((unsigned char)*p) == 't') { if (*p != '\0' && tolower((int)*p) == '6')
p++; *token = ecommunity_token_rt6;
if (*p != '\0' && tolower((int)*p) == '6') else
*token = ecommunity_token_rt6;
else
*token = ecommunity_token_rt;
return p;
}
if (isspace((unsigned char)*p) || *p == '\0') {
*token = ecommunity_token_rt; *token = ecommunity_token_rt;
return p; return p;
}
goto error;
} }
/* "nt" match check. */ if (isspace((unsigned char)*p) || *p == '\0') {
if (tolower((unsigned char)*p) == 'n') { *token = ecommunity_token_rt;
return p;
}
goto error;
}
/* "nt" */
if (tolower((unsigned char)*p) == 'n') {
p++;
if (tolower((unsigned char)*p) == 't') {
p++; p++;
if (tolower((unsigned char)*p) == 't') { *token = ecommunity_token_nt;
p++; return p;
*token = ecommunity_token_nt;
return p;
}
if (isspace((unsigned char)*p) || *p == '\0') {
*token = ecommunity_token_nt;
return p;
}
goto error;
} }
/* "soo" match check. */ if (isspace((unsigned char)*p) || *p == '\0') {
else if (tolower((unsigned char)*p) == 's') { *token = ecommunity_token_nt;
return p;
}
goto error;
}
/* "soo" */
if (tolower((unsigned char)*p) == 's') {
p++;
if (tolower((unsigned char)*p) == 'o') {
p++; p++;
if (tolower((unsigned char)*p) == 'o') { if (tolower((unsigned char)*p) == 'o') {
p++; p++;
if (tolower((unsigned char)*p) == 'o') { *token = ecommunity_token_soo;
p++; return p;
*token = ecommunity_token_soo;
return p;
}
if (isspace((unsigned char)*p) || *p == '\0') {
*token = ecommunity_token_soo;
return p;
}
goto error;
} }
if (isspace((unsigned char)*p) || *p == '\0') { if (isspace((unsigned char)*p) || *p == '\0') {
*token = ecommunity_token_soo; *token = ecommunity_token_soo;
return p; return p;
} }
goto error; goto error;
} else if (tolower((unsigned char)*p) == 'c') { }
/* "color" match check. if (isspace((unsigned char)*p) || *p == '\0') {
* 'c', 'co', 'col', 'colo' are also accepted *token = ecommunity_token_soo;
*/ return p;
for (i = 0; i < 5; i++) { }
ptr_color = &str_color[0]; goto error;
if (tolower((unsigned char)*p) == *ptr_color) { }
p++;
ptr_color++; /* "color" */
} else if (i > 0) { if (tolower((unsigned char)*p) == 'c') {
if (isspace((unsigned char)*p) || ptr_color = &str_color[0];
*p == '\0') { for (unsigned int i = 0; i < 5; i++) {
*token = ecommunity_token_color; if (tolower((unsigned char)*p) != *ptr_color)
return p; break;
}
goto error; p++;
} ptr_color++;
if (isspace((unsigned char)*p) || *p == '\0') { }
*token = ecommunity_token_color; if (isspace((unsigned char)*p) || *p == '\0') {
return p; *token = ecommunity_token_color;
} return p;
goto error;
}
goto error;
} }
goto error; goto error;
} }