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[coreboot.git] / payloads / libpayload / libc / printf.c

diff --git a/payloads/libpayload/libc/printf.c b/payloads/libpayload/libc/printf.c
index 3973e90f22b48ed7eedf2f9fac579c4d9b7cb90e..a1ebb140923224102a9c16d363fbfdda66e112d9 100644 (file)
--- a/payloads/libpayload/libc/printf.c
+++ b/payloads/libpayload/libc/printf.c
@@ -34,6 +34,7 @@
  */
 
 #include <libpayload.h>
+#include <ctype.h>
 
 /** Structure for specifying output methods for different printf clones. */
 struct printf_spec {
@@ -368,7 +369,7 @@ static int print_number(uint64_t num, int width, int precision, int base,
  *
  * Print string formatted according to the fmt parameter and variadic arguments.
  * Each formatting directive must have the following form:
- * 
+ *
  *     \% [ FLAGS ] [ WIDTH ] [ .PRECISION ] [ TYPE ] CONVERSION
  *
  * FLAGS:@n
@@ -386,7 +387,7 @@ static int print_number(uint64_t num, int width, int precision, int base,
  *     - "0"   Print 0 as padding instead of spaces. Zeroes are placed between
  *             sign and the rest of the number. This flag is ignored if "-"
  *             flag is specified.
- * 
+ *
  * WIDTH:@n
  *     - Specify the minimal width of a printed argument. If it is bigger,
  *     width is ignored. If width is specified with a "*" character instead of
@@ -403,15 +404,15 @@ static int print_number(uint64_t num, int width, int precision, int base,
  *     value is then expected in parameters. When both width and precision are
  *     specified using "*", the first parameter is used for width and the
  *     second one for precision.
- * 
+ *
  * TYPE:@n
  *     - "hh"  Signed or unsigned char.@n
  *     - "h"   Signed or unsigned short.@n
  *     - ""    Signed or unsigned int (default value).@n
  *     - "l"   Signed or unsigned long int.@n
  *     - "ll"  Signed or unsigned long long int.@n
- * 
- * 
+ *
+ *
  * CONVERSION:@n
  *     - %     Print percentile character itself.
  *
@@ -419,16 +420,16 @@ static int print_number(uint64_t num, int width, int precision, int base,
  *
  *     - s     Print zero terminated string. If a NULL value is passed as
  *             value, "(NULL)" is printed instead.
- * 
+ *
  *     - P, p  Print value of a pointer. Void * value is expected and it is
  *             printed in hexadecimal notation with prefix (as with \%#X / \%#x
  *             for 32-bit or \%#X / \%#x for 64-bit long pointers).
  *
  *     - b     Print value as unsigned binary number. Prefix is not printed by
  *             default. (Nonstandard extension.)
- * 
+ *
  *     - o     Print value as unsigned octal number. Prefix is not printed by
- *             default. 
+ *             default.
  *
  *     - d, i  Print signed decimal number. There is no difference between d
  *             and i conversion.
@@ -437,7 +438,7 @@ static int print_number(uint64_t num, int width, int precision, int base,
  *
  *     - X, x  Print hexadecimal number with upper- or lower-case. Prefix is
  *             not printed by default.
- * 
+ *
  * All other characters from fmt except the formatting directives are printed in
  * verbatim.
  *
@@ -722,6 +723,20 @@ int sprintf(char *str, const char *fmt, ...)
        return ret;
 }
 
+int fprintf(FILE *file, const char *fmt, ...)
+{
+       int ret;
+       if ((file == stdout) || (file == stderr)) {
+               va_list args;
+               va_start(args, fmt);
+               ret = vprintf(fmt, args);
+               va_end(args);
+
+               return ret;
+       }
+       return -1;
+}
+
 struct vsnprintf_data {
        size_t size;            /* Total space for string */
        size_t len;             /* Count of currently used characters */