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improve Args index conversion

This commit is contained in:
Doug MacEachern 2006-12-19 06:08:03 +00:00
parent 7a4f30d48b
commit 75248f9447
1 changed files with 25 additions and 8 deletions
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33
src/sigar_ptql.c
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@ -21,6 +21,9 @@
#include "sigar_util.h" #include "sigar_util.h"
#include "sigar_ptql.h" #include "sigar_ptql.h"
/* XXX need more specific errors */
#define SIGAR_PTQL_MALFORMED_QUERY 1
typedef struct ptql_parse_branch_t ptql_parse_branch_t; typedef struct ptql_parse_branch_t ptql_parse_branch_t;
typedef struct ptql_branch_t ptql_branch_t; typedef struct ptql_branch_t ptql_branch_t;
@ -418,6 +421,25 @@ static int ptql_branch_match(ptql_branch_t *branch)
} }
} }
static int ptql_args_branch_init(ptql_parse_branch_t *parsed,
ptql_branch_t *branch)
{
if (strEQ(parsed->attr, "*")) {
branch->data = NULL;
}
else {
char *end;
branch->data =
(void*)strtol(parsed->attr, &end, 10);
if (end && *end) {
/* conversion failed */
return SIGAR_PTQL_MALFORMED_QUERY;
}
}
return SIGAR_OK;
}
static int ptql_args_match(sigar_t *sigar, static int ptql_args_match(sigar_t *sigar,
sigar_pid_t pid, sigar_pid_t pid,
void *data) void *data)
@ -425,7 +447,6 @@ static int ptql_args_match(sigar_t *sigar,
ptql_branch_t *branch = ptql_branch_t *branch =
(ptql_branch_t *)data; (ptql_branch_t *)data;
int status, matched=0; int status, matched=0;
char *index = branch->data;
sigar_proc_args_t args; sigar_proc_args_t args;
status = sigar_proc_args_get(sigar, pid, &args); status = sigar_proc_args_get(sigar, pid, &args);
@ -433,8 +454,7 @@ static int ptql_args_match(sigar_t *sigar,
return status; return status;
} }
/* XXX cache atoi conversion */ if (!branch->data) {
if (strEQ(index, "*")) {
int i; int i;
for (i=0; i<args.number; i++) { for (i=0; i<args.number; i++) {
matched = matched =
@ -446,7 +466,7 @@ static int ptql_args_match(sigar_t *sigar,
} }
} }
else { else {
int num = atoi(index); /* XXX validate */ int num = (int)branch->data;
/* e.g. find last element of args: Args.-1.eq=weblogic.Server */ /* e.g. find last element of args: Args.-1.eq=weblogic.Server */
if (num < 0) { if (num < 0) {
@ -592,7 +612,7 @@ static ptql_lookup_t PTQL_Fd[] = {
}; };
static ptql_lookup_t PTQL_Args[] = { static ptql_lookup_t PTQL_Args[] = {
{ NULL, ptql_args_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_branch_init_any } { NULL, ptql_args_match, 0, 0, PTQL_VALUE_TYPE_ANY, ptql_args_branch_init }
}; };
static ptql_lookup_t PTQL_Env[] = { static ptql_lookup_t PTQL_Env[] = {
@ -612,9 +632,6 @@ static ptql_entry_t ptql_map[] = {
{ NULL } { NULL }
}; };
/* XXX need more specific errors */
#define SIGAR_PTQL_MALFORMED_QUERY 1
static int ptql_branch_parse(char *query, ptql_parse_branch_t *branch) static int ptql_branch_parse(char *query, ptql_parse_branch_t *branch)
{ {
char *ptr = strchr(query, '='); char *ptr = strchr(query, '=');