diff options
Diffstat (limited to 'src/user/lib/printf.c')
-rw-r--r-- | src/user/lib/printf.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/src/user/lib/printf.c b/src/user/lib/printf.c index 53b1140..cb6561b 100644 --- a/src/user/lib/printf.c +++ b/src/user/lib/printf.c @@ -12,24 +12,6 @@ int vfprintf(FILE *restrict f, const char *restrict fmt, va_list ap) { return __printf_internal(fmt, ap, backend_file, f); } -static void backend_buf(void *arg, const char *buf, size_t len) { - char **ptrs = arg; - size_t space = ptrs[1] - ptrs[0]; - if (len > space) len = space; - - memcpy(ptrs[0], buf, len); - ptrs[0] += len; - /* ptrs[1] is the last byte of the buffer, it must be 0. - * on overflow: - * ptrs[0] + (ptrs[1] - ptrs[0]) = ptrs[1] */ - *ptrs[0] = '\0'; -} - -int vsnprintf(char *restrict str, size_t len, const char *restrict fmt, va_list ap) { - char *ptrs[2] = {str, str + len - 1}; - return __printf_internal(fmt, ap, backend_buf, &ptrs); -} - int printf(const char *restrict fmt, ...) { int ret; @@ -49,15 +31,6 @@ int fprintf(FILE *restrict f, const char *restrict fmt, ...) { return ret; } -int snprintf(char *restrict str, size_t len, const char *restrict fmt, ...) { - int ret; - va_list argp; - va_start(argp, fmt); - ret = vsnprintf(str, len, fmt, argp); - va_end(argp); - return ret; -} - int vprintf(const char *restrict fmt, va_list ap) { return vfprintf(stdout, fmt, ap); } |