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MINOR: sample: add rtrim converter

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This converter strips specified characters from the end of a string.
This commit is contained in:
Christopher Faulet 2020-04-01 17:24:47 +02:00
parent 51fc9d1bf1
commit 568415a51f
2 changed files with 25 additions and 0 deletions
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4
doc/configuration.txt
View File

@ -14442,6 +14442,10 @@ capture-res(<id>)
"http-response capture", "capture.req.hdr" and
"capture.res.hdr" (sample fetches).
rtrim(<chars>)
Skips any characters from <chars> from the end of the string representation
of the input sample.
sdbm([<avalanche>])
Hashes a binary input sample into an unsigned 32-bit quantity using the SDBM
hash function. Optionally, it is possible to apply a full avalanche hash

21
src/sample.c
View File

@ -3015,6 +3015,26 @@ static int sample_conv_ltrim(const struct arg *arg_p, struct sample *smp, void *
return 1;
}
/**/
static int sample_conv_rtrim(const struct arg *arg_p, struct sample *smp, void *private)
{
char *delimiters, *p;
size_t dlen, l;
delimiters = arg_p[0].data.str.area;
dlen = arg_p[0].data.str.data;
l = smp->data.u.str.data;
p = smp->data.u.str.area + l - 1;
while (l && memchr(delimiters, *p, dlen) != NULL) {
p--;
l--;
}
smp->data.u.str.data = l;
return 1;
}
/************************************************************************/
/* All supported sample fetch functions must be declared here */
/************************************************************************/
@ -3486,6 +3506,7 @@ static struct sample_conv_kw_list sample_conv_kws = {ILH, {
{ "htonl", sample_conv_htonl, 0, NULL, SMP_T_SINT, SMP_T_BIN },
{ "cut_crlf", sample_conv_cut_crlf, 0, NULL, SMP_T_STR, SMP_T_STR },
{ "ltrim", sample_conv_ltrim, ARG1(1,STR), NULL, SMP_T_STR, SMP_T_STR },
{ "rtrim", sample_conv_rtrim, ARG1(1,STR), NULL, SMP_T_STR, SMP_T_STR },
{ NULL, NULL, 0, 0, 0 },
}};