Subversion Repositories HelenOS

Rev

Rev 2670 | Rev 4317 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2670 Rev 4234
Line 39... Line 39...
39
#include <futex.h>
39
#include <futex.h>
40
#include <async.h>
40
#include <async.h>
41
 
41
 
42
static atomic_t printf_futex = FUTEX_INITIALIZER;
42
static atomic_t printf_futex = FUTEX_INITIALIZER;
43
 
43
 
44
static int vprintf_write(const char *str, size_t count, void *unused)
44
static int vprintf_str_write(const char *str, size_t size, void *data)
45
{
45
{
-
 
46
    size_t offset = 0;
-
 
47
    size_t prev;
-
 
48
    count_t chars = 0;
-
 
49
   
-
 
50
    while (offset < size) {
-
 
51
        prev = offset;
-
 
52
        str_decode(str, &offset, size);
46
    return write_stdout(str, count);
53
        write_stdout(str + prev, offset - prev);
-
 
54
        chars++;
-
 
55
    }
-
 
56
   
-
 
57
    return chars;
47
}
58
}
48
 
59
 
-
 
60
static int vprintf_wstr_write(const wchar_t *str, size_t size, void *data)
-
 
61
{
-
 
62
    size_t offset = 0;
-
 
63
    size_t boff;
-
 
64
    count_t chars = 0;
-
 
65
    char buf[4];
-
 
66
   
-
 
67
    while (offset < size) {
-
 
68
        boff = 0;
-
 
69
        chr_encode(str[chars], buf, &boff, 4);
-
 
70
        write_stdout(buf, boff);
-
 
71
        chars++;
-
 
72
        offset += sizeof(wchar_t);
-
 
73
    }
-
 
74
   
-
 
75
    return chars;
-
 
76
}
-
 
77
 
-
 
78
 
49
/** Print formatted text.
79
/** Print formatted text.
50
 * @param fmt   format string
80
 * @param fmt   format string
51
 * @param ap    format parameters
81
 * @param ap    format parameters
52
 * \see For more details about format string see printf_core.
82
 * \see For more details about format string see printf_core.
53
 */
83
 */
54
int vprintf(const char *fmt, va_list ap)
84
int vprintf(const char *fmt, va_list ap)
55
{
85
{
56
    struct printf_spec ps = {
86
    struct printf_spec ps = {
-
 
87
        vprintf_str_write,
57
        (int (*)(void *, size_t, void *)) vprintf_write,
88
        vprintf_wstr_write,
58
         NULL
89
         NULL
59
    };
90
    };
60
    /*
91
    /*
61
     * Prevent other threads to execute printf_core()
92
     * Prevent other threads to execute printf_core()
62
     */
93
     */