#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
+#include <assert.h>
#include "util.h"
+#include "malloc.h"
-gchar *avahi_get_host_name(void) {
+char *avahi_get_host_name(void) {
#ifdef HOST_NAME_MAX
char t[HOST_NAME_MAX];
#else
return avahi_normalize_name(t);
}
-static gchar *unescape_uneeded(const gchar *src, gchar *ret_dest, size_t size) {
- gboolean escaped = FALSE;
+static char *unescape_uneeded(const char *src, char *ret_dest, size_t size) {
+ int escaped = 0;
- g_assert(src);
- g_assert(ret_dest);
- g_assert(size > 0);
+ assert(src);
+ assert(ret_dest);
+ assert(size > 0);
for (; *src; src++) {
if (!escaped && *src == '\\')
- escaped = TRUE;
+ escaped = 1;
else if (escaped && (*src == '.' || *src == '\\')) {
if ((size -= 2) <= 1) break;
*(ret_dest++) = '\\';
*(ret_dest++) = *src;
- escaped = FALSE;
+ escaped = 0;
} else {
if (--size <= 1) break;
*(ret_dest++) = *src;
- escaped = FALSE;
+ escaped = 0;
}
}
return ret_dest;
}
-gchar *avahi_normalize_name(const gchar *s) {
- gchar tmp[256];
- guint l;
- g_assert(s);
+char *avahi_normalize_name(const char *s) {
+ char tmp[256];
+ size_t l;
+
+ assert(s);
unescape_uneeded(s, tmp, sizeof(tmp));
- if ((l = strlen(tmp)) == 0)
- return g_strdup(".");
+ l = strlen(tmp);
- if (tmp[l-1] == '.')
- return g_strdup(tmp);
+ while (l > 0 && tmp[l-1] == '.')
+ tmp[--l] = 0;
- return g_strdup_printf("%s.", tmp);
+ return avahi_strdup(tmp);
}
-gint avahi_timeval_compare(const GTimeVal *a, const GTimeVal *b) {
- g_assert(a);
- g_assert(b);
+int avahi_timeval_compare(const struct timeval *a, const struct timeval *b) {
+ assert(a);
+ assert(b);
if (a->tv_sec < b->tv_sec)
return -1;
return 0;
}
-glong avahi_timeval_diff(const GTimeVal *a, const GTimeVal *b) {
- g_assert(a);
- g_assert(b);
+AvahiUsec avahi_timeval_diff(const struct timeval *a, const struct timeval *b) {
+ assert(a);
+ assert(b);
if (avahi_timeval_compare(a, b) < 0)
- return avahi_timeval_diff(b, a);
+ return - avahi_timeval_diff(b, a);
+
+ return ((AvahiUsec) a->tv_sec - b->tv_sec)*1000000 + a->tv_usec - b->tv_usec;
+}
+
+struct timeval* avahi_timeval_add(struct timeval *a, AvahiUsec usec) {
+ AvahiUsec u;
+ assert(a);
+
+ u = usec + a->tv_usec;
+
+ if (u < 0) {
+ a->tv_usec = (long) (1000000 + (u % 1000000));
+ a->tv_sec += (long) (-1 + (u / 1000000));
+ } else {
+ a->tv_usec = (long) (u % 1000000);
+ a->tv_sec += (long) (u / 1000000);
+ }
- return ((glong) a->tv_sec - b->tv_sec)*1000000 + a->tv_usec - b->tv_usec;
+ return a;
}
+AvahiUsec avahi_age(const struct timeval *a) {
+ struct timeval now;
+
+ assert(a);
+
+ gettimeofday(&now, NULL);
+
+ return avahi_timeval_diff(&now, a);
+}
+
+
+struct timeval *avahi_elapse_time(struct timeval *tv, unsigned msec, unsigned jitter) {
+ assert(tv);
-gint avahi_set_cloexec(gint fd) {
- gint n;
+ gettimeofday(tv, NULL);
- g_assert(fd >= 0);
+ if (msec)
+ avahi_timeval_add(tv, (AvahiUsec) msec*1000);
+
+ if (jitter)
+ avahi_timeval_add(tv, (AvahiUsec) (jitter*1000.0*rand()/(RAND_MAX+1.0)));
+
+ return tv;
+}
+
+int avahi_set_cloexec(int fd) {
+ int n;
+
+ assert(fd >= 0);
if ((n = fcntl(fd, F_GETFD)) < 0)
return -1;
return fcntl(fd, F_SETFD, n|FD_CLOEXEC);
}
-gint avahi_set_nonblock(gint fd) {
- gint n;
-
- g_assert(fd >= 0);
+int avahi_set_nonblock(int fd) {
+ int n;
+
+ assert(fd >= 0);
if ((n = fcntl(fd, F_GETFL)) < 0)
return -1;
return fcntl(fd, F_SETFL, n|O_NONBLOCK);
}
-gint avahi_wait_for_write(gint fd) {
+int avahi_wait_for_write(int fd) {
fd_set fds;
- gint r;
+ int r;
FD_ZERO(&fds);
FD_SET(fd, &fds);
- if ((r = select(fd+1, NULL, &fds, NULL, NULL)) < 0) {
- g_message("select() failed: %s", strerror(errno));
-
+ if ((r = select(fd+1, NULL, &fds, NULL, NULL)) < 0)
return -1;
- }
- g_assert(r > 0);
+ assert(r > 0);
return 0;
}
-GTimeVal *avahi_elapse_time(GTimeVal *tv, guint msec, guint jitter) {
- g_assert(tv);
-
- g_get_current_time(tv);
-
- if (msec)
- g_time_val_add(tv, msec*1000);
-
- if (jitter)
- g_time_val_add(tv, g_random_int_range(0, jitter) * 1000);
-
- return tv;
-}
-
-glong avahi_age(const GTimeVal *a) {
- GTimeVal now;
-
- g_assert(a);
-
- g_get_current_time(&now);
-
- return avahi_timeval_diff(&now, a);
-}
-
/* Read the first label from string *name, unescape "\" and write it to dest */
-gchar *avahi_unescape_label(const gchar **name, gchar *dest, guint size) {
- guint i = 0;
- gchar *d;
+char *avahi_unescape_label(const char **name, char *dest, size_t size) {
+ unsigned i = 0;
+ char *d;
- g_assert(dest);
- g_assert(size > 0);
- g_assert(name);
+ assert(dest);
+ assert(size > 0);
+ assert(name);
if (!**name)
return NULL;
i++;
}
- g_assert(i < size);
+ assert(i < size);
*d = 0;
}
/* Escape "\" and ".", append \0 */
-gchar *avahi_escape_label(const guint8* src, guint src_length, gchar **ret_name, guint *ret_size) {
- gchar *r;
+char *avahi_escape_label(const uint8_t* src, size_t src_length, char **ret_name, size_t *ret_size) {
+ char *r;
- g_assert(src);
- g_assert(ret_name);
- g_assert(*ret_name);
- g_assert(ret_size);
- g_assert(*ret_size > 0);
+ assert(src);
+ assert(ret_name);
+ assert(*ret_name);
+ assert(ret_size);
+ assert(*ret_size > 0);
r = *ret_name;
return r;
}
-gboolean avahi_domain_equal(const gchar *a, const gchar *b) {
- g_assert(a);
- g_assert(b);
+int avahi_domain_equal(const char *a, const char *b) {
+ assert(a);
+ assert(b);
if (a == b)
- return TRUE;
+ return 1;
for (;;) {
- gchar ca[65], cb[65], *pa, *pb;
+ char ca[65], cb[65], *pa, *pb;
pa = avahi_unescape_label(&a, ca, sizeof(ca));
pb = avahi_unescape_label(&b, cb, sizeof(cb));
if (!pa && !pb)
- return TRUE;
+ return 1;
else if ((pa && !pb) || (!pa && pb))
- return FALSE;
+ return 0;
- if (g_ascii_strcasecmp(pa, pb))
- return FALSE;
+ if (strcasecmp(pa, pb))
+ return 0;
}
- return TRUE;
+ return 1;
}
-gint avahi_binary_domain_cmp(const gchar *a, const gchar *b) {
- g_assert(a);
- g_assert(b);
+int avahi_binary_domain_cmp(const char *a, const char *b) {
+ assert(a);
+ assert(b);
if (a == b)
return 0;
for (;;) {
- gchar ca[65], cb[65], *pa, *pb;
- gint r;
+ char ca[65], cb[65], *pa, *pb;
+ int r;
pa = avahi_unescape_label(&a, ca, sizeof(ca));
pb = avahi_unescape_label(&b, cb, sizeof(cb));
}
}
-void avahi_hexdump(gconstpointer p, guint size) {
- const guint8 *c = p;
- g_assert(p);
+void avahi_hexdump(const void* p, size_t size) {
+ const uint8_t *c = p;
+ assert(p);
printf("Dumping %u bytes from %p:\n", size, p);
while (size > 0) {
- guint i;
+ unsigned i;
for (i = 0; i < 16; i++) {
if (i < size)
}
}
-guint avahi_domain_hash(const gchar *s) {
- guint hash = 0;
+unsigned avahi_strhash(const char *p) {
+ unsigned hash = 0;
+
+ for (; *p; p++)
+ hash = 31 * hash + *p;
+
+ return hash;
+}
+
+unsigned avahi_domain_hash(const char *s) {
+ unsigned hash = 0;
for (;;) {
- gchar c[65], *m;
+ char c[65];
if (!avahi_unescape_label(&s, c, sizeof(c)))
return hash;
if (!c[0])
continue;
- m = g_ascii_strdown(c, -1);
- hash += g_str_hash(m);
- g_free(m);
+ hash += avahi_strhash(avahi_strdown(c));
}
}
-gchar *avahi_format_mac_address(const guint8* mac, guint size) {
- gchar *r, *t;
- guint i;
- static const gchar hex[] = "0123456789abcdef";
+char *avahi_format_mac_address(const uint8_t* mac, size_t size) {
+ char *r, *t;
+ unsigned i;
+ static const char hex[] = "0123456789abcdef";
- t = r = g_new(gchar, size > 0 ? size*3 : 1);
+ t = r = avahi_new(char, size > 0 ? size*3 : 1);
if (size <= 0) {
*r = 0;
*(--t) = 0;
return r;
}
+
+int avahi_valid_service_type(const char *t) {
+ const char *p;
+ assert(t);
+
+ if (strlen(t) < 5)
+ return 0;
+
+ if (*t != '_')
+ return 0;
+
+ if (!(p = strchr(t, '.')))
+ return 0;
+
+ if (p - t > 63 || p - t < 2)
+ return 0;
+
+ if (*(++p) != '_')
+ return 0;
+
+ if (strchr(p, '.'))
+ return 0;
+
+ if (strlen(p) > 63 || strlen(p) < 2)
+ return 0;
+
+ return 1;
+}
+
+int avahi_valid_domain_name(const char *t) {
+ const char *p, *dp;
+ int dot = 0;
+
+ assert(t);
+
+ if (*t == 0)
+ return 0;
+
+ /* Domains may not start with a dot */
+ if (*t == '.')
+ return 0;
+
+ dp = t;
+
+ for (p = t; *p; p++) {
+
+ if (*p == '.') {
+ if (dot) /* Two subsequent dots */
+ return 0;
+
+ if (p - dp > 63)
+ return 0;
+
+ dot = 1;
+ dp = p + 1;
+ } else
+ dot = 0;
+
+ }
+
+ if (p - dp > 63)
+ return 0;
+
+ /* A trailing dot IS allowed */
+
+ return 1;
+}
+
+int avahi_valid_service_name(const char *t) {
+ assert(t);
+
+ if (*t == 0)
+ return 0;
+
+ if (strlen(t) > 63)
+ return 0;
+
+ return 1;
+}
+
+int avahi_valid_host_name(const char *t) {
+ assert(t);
+
+ if (*t == 0)
+ return 0;
+
+ if (strlen(t) > 63)
+ return 0;
+
+ if (strchr(t, '.'))
+ return 0;
+
+ return 1;
+}
+
+char *avahi_strdown(char *s) {
+ char *c;
+
+ assert(s);
+
+ for (c = s; *c; c++)
+ *c = (char) tolower(*c);
+
+ return s;
+}
+
+char *avahi_strup(char *s) {
+ char *c;
+ assert(s);
+
+ for (c = s; *c; c++)
+ *c = (char) toupper(*c);
+
+ return s;
+}
+