mirrors/haproxy
1
0
Fork 0
mirror of https://git.haproxy.org/git/haproxy.git/ synced 2025-08-07 15:47:01 +02:00
Code Issues Projects Releases Wiki Activity

[MINOR] tools: add a get_std_op() function to parse operators

Browse Source 
We already have several places where we use operators to compare
values. Each time the parsing is done again. Let's have a central
function for this.
This commit is contained in:
Willy Tarreau 2010-07-18 10:40:48 +02:00
parent bb695393da
commit 5b18020201
2 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/common/standard.h
View File

@ -42,6 +42,15 @@
* power of 2, and 0 otherwise */
#define POWEROF2(x) (((x) & ((x)-1)) == 0)
/* operators to compare values. They're ordered that way so that the lowest bit
* serves as a negation for the test and contains all tests that are not equal.
*/
enum {
STD_OP_LE = 0, STD_OP_GT = 1,
STD_OP_EQ = 2, STD_OP_NE = 3,
STD_OP_GE = 4, STD_OP_LT = 5,
};
/*
* copies at most <size-1> chars from <src> to <dst>. Last char is always
* set to 0, unless <size> is 0. The number of chars copied is returned
@ -407,4 +416,7 @@ int buf2ip(const char *buf, size_t len, struct in_addr *dst);
*/
const char *quote_arg(const char *ptr);
/* returns an operator among STD_OP_* for string <str> or < 0 if unknown */
int get_std_op(const char *str);
#endif /* _COMMON_STANDARD_H */

23
src/standard.c
View File

@ -1078,6 +1078,29 @@ const char *quote_arg(const char *ptr)
return val;
}
/* returns an operator among STD_OP_* for string <str> or < 0 if unknown */
int get_std_op(const char *str)
{
int ret = -1;
if (*str == 'e' && str[1] == 'q')
ret = STD_OP_EQ;
else if (*str == 'n' && str[1] == 'e')
ret = STD_OP_NE;
else if (*str == 'l') {
if (str[1] == 'e') ret = STD_OP_LE;
else if (str[1] == 't') ret = STD_OP_LT;
}
else if (*str == 'g') {
if (str[1] == 'e') ret = STD_OP_GE;
else if (str[1] == 't') ret = STD_OP_GT;
}
if (ret == -1 || str[2] != '\0')
return -1;
return ret;
}
/*
* Local variables:
* c-indent-level: 8