diff options
Diffstat (limited to 'kc/core/kprint.c')
| -rw-r--r-- | kc/core/kprint.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/kc/core/kprint.c b/kc/core/kprint.c index 8c2bf12..6e73601 100644 --- a/kc/core/kprint.c +++ b/kc/core/kprint.c @@ -80,7 +80,7 @@ struct specifier size_t length; }; -static struct specifier parse_specifier(const char *format, va_list arguments) +static struct specifier parse_specifier(const char *format, va_list *arguments) { (void)arguments; struct specifier result = @@ -314,21 +314,21 @@ static char *convert_integer( static int print_character( struct method *m, struct specifier *spec, - va_list arguments) + va_list *arguments) { (void)spec; // all specifier flags and etc. are ignored. - return m->write_character(m, va_arg(arguments, int)); + return m->write_character(m, va_arg(*arguments, int)); } static int print_string( struct method *m, struct specifier *spec, - va_list arguments) + va_list *arguments) { (void)spec; // TODO: respect field width - return m->write_string(m, va_arg(arguments, const char *)); + return m->write_string(m, va_arg(*arguments, const char *)); } static inline bool is_negative(uint64_t value, unsigned width) @@ -351,7 +351,7 @@ static inline bool is_negative(uint64_t value, unsigned width) static int print_integer( struct method *m, struct specifier *spec, - va_list arguments) + va_list *arguments) { // 65 bytes is the maximum length that convert_integer will need // i.e. conversion of uintmax_t to binary plus NUL terminator @@ -359,7 +359,7 @@ static int print_integer( char buffer[65] = {0}; char *s; bool negative = false; - uint64_t value = va_arg(arguments, uint64_t); + uint64_t value = va_arg(*arguments, uint64_t); int r = 0; // check if we need to bother with signs @@ -433,7 +433,7 @@ static int print_integer( static int printf_internal( struct method *m, const char *restrict format, - va_list arguments) + va_list *arguments) { int r = 0; @@ -497,7 +497,9 @@ int kvprintf(const char *restrict format, va_list arguments) kpm_write_character, kpm_write_string, 0}; - int r = printf_internal(&m, format, arguments); + va_list acopy; + va_copy(acopy, arguments); + int r = printf_internal(&m, format, &acopy); if (!r) { return m.count; @@ -506,6 +508,7 @@ int kvprintf(const char *restrict format, va_list arguments) { return -1; } + va_end(acopy); } int kprintf(const char *restrict format, ...) |