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lib names: Add helper func for parse id and name from file

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Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
This commit is contained in:
vadimk 2014-12-06 04:05:12 +02:00 committed by Stephen Hemminger
parent 4e5615b34c
commit f00073e8b9
1 changed files with 41 additions and 31 deletions
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72
lib/rt_names.c
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@ -27,43 +27,63 @@
#define CONFDIR "/etc/iproute2"
#endif
#define NAME_MAX_LEN 512
struct rtnl_hash_entry {
struct rtnl_hash_entry *next;
const char * name;
unsigned int id;
};
static int fread_id_name(FILE *fp, int *id, char *namebuf)
{
char buf[NAME_MAX_LEN];
while (fgets(buf, sizeof(buf), fp)) {
char *p = buf;
while (*p == ' ' || *p == '\t')
p++;
if (*p == '#' || *p == '\n' || *p == 0)
continue;
if (sscanf(p, "0x%x %s\n", id, namebuf) != 2 &&
sscanf(p, "0x%x %s #", id, namebuf) != 2 &&
sscanf(p, "%d %s\n", id, namebuf) != 2 &&
sscanf(p, "%d %s #", id, namebuf) != 2) {
strcpy(namebuf, p);
return -1;
}
return 1;
}
return 0;
}
static void
rtnl_hash_initialize(const char *file, struct rtnl_hash_entry **hash, int size)
{
struct rtnl_hash_entry *entry;
char buf[512];
FILE *fp;
int id;
char namebuf[NAME_MAX_LEN] = {0};
int ret;
fp = fopen(file, "r");
if (!fp)
return;
while (fgets(buf, sizeof(buf), fp)) {
char *p = buf;
int id;
char namebuf[512];
while (*p == ' ' || *p == '\t')
p++;
if (*p == '#' || *p == '\n' || *p == 0)
continue;
if (sscanf(p, "0x%x %s\n", &id, namebuf) != 2 &&
sscanf(p, "0x%x %s #", &id, namebuf) != 2 &&
sscanf(p, "%d %s\n", &id, namebuf) != 2 &&
sscanf(p, "%d %s #", &id, namebuf) != 2) {
while ((ret = fread_id_name(fp, &id, &namebuf[0]))) {
if (ret == -1) {
fprintf(stderr, "Database %s is corrupted at %s\n",
file, p);
file, namebuf);
fclose(fp);
return;
}
if (id<0)
continue;
entry = malloc(sizeof(*entry));
entry->id = id;
entry->name = strdup(namebuf);
@ -75,31 +95,22 @@ rtnl_hash_initialize(const char *file, struct rtnl_hash_entry **hash, int size)
static void rtnl_tab_initialize(const char *file, char **tab, int size)
{
char buf[512];
FILE *fp;
int id;
char namebuf[NAME_MAX_LEN] = {0};
int ret;
fp = fopen(file, "r");
if (!fp)
return;
while (fgets(buf, sizeof(buf), fp)) {
char *p = buf;
int id;
char namebuf[512];
while (*p == ' ' || *p == '\t')
p++;
if (*p == '#' || *p == '\n' || *p == 0)
continue;
if (sscanf(p, "0x%x %s\n", &id, namebuf) != 2 &&
sscanf(p, "0x%x %s #", &id, namebuf) != 2 &&
sscanf(p, "%d %s\n", &id, namebuf) != 2 &&
sscanf(p, "%d %s #", &id, namebuf) != 2) {
while ((ret = fread_id_name(fp, &id, &namebuf[0]))) {
if (ret == -1) {
fprintf(stderr, "Database %s is corrupted at %s\n",
file, p);
file, namebuf);
fclose(fp);
return;
}
if (id<0 || id>size)
continue;
@ -185,8 +196,7 @@ int rtnl_rtprot_a2n(__u32 *id, const char *arg)
return 0;
}
static char * rtnl_rtscope_tab[256] = {
static const char * rtnl_rtscope_tab[256] = {
"global",
};