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MINOR: tools: add is_idchar() to tell if a char may belong to an identifier

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This function will simply be used to find the end of config identifiers
(proxies, servers, ACLs, sample fetches, converters, etc).
This commit is contained in:
Willy Tarreau 2020-02-14 18:25:17 +01:00
parent 6c57f2da43
commit 36f586b694
1 changed files with 10 additions and 0 deletions
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10
include/common/standard.h
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@ -372,6 +372,16 @@ extern const char *invalid_domainchar(const char *name);
*/
extern const char *invalid_prefix_char(const char *name);
/* returns true if <c> is an identifier character, that is, a digit, a letter,
* or '-', '_', ':' or '.'. This is usable for proxy names, server names, ACL
* names, sample fetch names, and converter names.
*/
static inline int is_idchar(char c)
{
return isalnum((int)(unsigned char)c) ||
c == '.' || c == '_' || c == '-' || c == ':';
}
/*
* converts <str> to a locally allocated struct sockaddr_storage *, and a
* port range consisting in two integers. The low and high end are always set