X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=util.c;fp=util.c;h=0000000000000000000000000000000000000000;hb=f93eca3530bef2cc23ffe6c3a04493ad171c2aed;hp=270a48f23de5000d0f29df2c72ed1b4b005b755b;hpb=42c9b99f2bb21d0ff1f1918314f9d5dd82a62763;p=catta diff --git a/util.c b/util.c deleted file mode 100644 index 270a48f..0000000 --- a/util.c +++ /dev/null @@ -1,214 +0,0 @@ -#include -#include -#include -#include -#include -#include - -#include "util.h" - -gchar *avahi_get_host_name(void) { -#ifdef HOST_NAME_MAX - char t[HOST_NAME_MAX]; -#else - char t[256]; -#endif - gethostname(t, sizeof(t)); - t[sizeof(t)-1] = 0; - return avahi_normalize_name(t); -} - -gchar *avahi_normalize_name(const gchar *s) { - size_t l; - g_assert(s); - - l = strlen(s); - - if (!l) - return g_strdup("."); - - if (s[l-1] == '.') - return g_strdup(s); - - return g_strdup_printf("%s.", s); -} - -gint avahi_timeval_compare(const GTimeVal *a, const GTimeVal *b) { - g_assert(a); - g_assert(b); - - if (a->tv_sec < b->tv_sec) - return -1; - - if (a->tv_sec > b->tv_sec) - return 1; - - if (a->tv_usec < b->tv_usec) - return -1; - - if (a->tv_usec > b->tv_usec) - return 1; - - return 0; -} - -glong avahi_timeval_diff(const GTimeVal *a, const GTimeVal *b) { - g_assert(a); - g_assert(b); - - if (avahi_timeval_compare(a, b) < 0) - return avahi_timeval_diff(b, a); - - return ((glong) a->tv_sec - b->tv_sec)*1000000 + a->tv_usec - b->tv_usec; -} - - -gint avahi_set_cloexec(gint fd) { - gint n; - - g_assert(fd >= 0); - - if ((n = fcntl(fd, F_GETFD)) < 0) - return -1; - - if (n & FD_CLOEXEC) - return 0; - - return fcntl(fd, F_SETFD, n|FD_CLOEXEC); -} - -gint avahi_set_nonblock(gint fd) { - gint n; - - g_assert(fd >= 0); - - if ((n = fcntl(fd, F_GETFL)) < 0) - return -1; - - if (n & O_NONBLOCK) - return 0; - - return fcntl(fd, F_SETFL, n|O_NONBLOCK); -} - -gint avahi_wait_for_write(gint fd) { - fd_set fds; - gint 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)); - - return -1; - } - - g_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; -} - -gint avahi_age(const GTimeVal *a) { - GTimeVal now; - - g_assert(a); - - g_get_current_time(&now); - - return avahi_timeval_diff(&now, a); -} - -gboolean avahi_domain_cmp(const gchar *a, const gchar *b) { - int escaped_a = 0, escaped_b = 0; - g_assert(a); - g_assert(b); - - for (;;) { - /* Check for escape characters "\" */ - if ((escaped_a = *a == '\\')) - a ++; - - if ((escaped_b = *b == '\\')) - b++; - - /* Check for string end */ - if (*a == 0 && *b == 0) - return 0; - - if (*a == 0 && !escaped_b && *b == '.' && *(b+1) == 0) - return 0; - - if (!escaped_a && *a == '.' && *(a+1) == 0 && *b == 0) - return 0; - - /* Compare characters */ - if (escaped_a == escaped_b && *a != *b) - return *a < *b ? -1 : 1; - - /* Next characters */ - a++; - b++; - - } -} - -gboolean avahi_domain_equal(const gchar *a, const gchar *b) { - return avahi_domain_cmp(a, b) == 0; -} - -guint avahi_domain_hash(const gchar *p) { - char t[256]; - strncpy(t, p, sizeof(t)-1); - t[sizeof(t)-1] = 0; - - return g_int_hash(t); -} - -void avahi_hexdump(gconstpointer p, guint size) { - const guint8 *c = p; - g_assert(p); - - printf("Dumping %u bytes from %p:\n", size, p); - - while (size > 0) { - guint i; - - for (i = 0; i < 16; i++) { - if (i < size) - printf("%02x ", c[i]); - else - printf(" "); - } - - for (i = 0; i < 16; i++) { - if (i < size) - printf("%c", c[i] >= 32 && c[i] < 127 ? c[i] : '.'); - else - printf(" "); - } - - printf("\n"); - - c += 16; - - if (size <= 16) - break; - - size -= 16; - } -}