zzy/NJU_PA
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> compile NEMU

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221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 11:07:59 up  1:21,  1 user,  load average: 0.35, 0.20, 0.12
This commit is contained in:
tracer-ics2023
2024-09-12 11:07:59 +08:00
committed by zzy
parent 7b81bd4625
commit 924ef5a649
1 changed files with 5 additions and 4 deletions
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9
abstract-machine/klib/src/stdio.c
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@ -47,13 +47,14 @@ int vsnprintf(char *out, size_t n, const char *fmt, va_list ap) {
}
__attribute__((noinline))
static int print_fmt(char **out, int n, const char** fmt, va_list ap) {
static int print_fmt(char **out, int n, const char** fmt, va_list* ap) {
int ret = 0;
switch (**fmt) {
case 'd':
//
(*fmt) ++;
int num = va_arg(ap, int), i = 0;
int num = va_arg(*ap, int);
int i = 0;
char buf[sizeof(num) * 3];
if (num == 0) {
buf[i++] = '0';
@ -76,7 +77,7 @@ static int print_fmt(char **out, int n, const char** fmt, va_list ap) {
break;
case 's':
(*fmt) ++;
const char* str = va_arg(ap, const char*);
const char* str = va_arg(*ap, const char*);
int n = 999; // FIXME
if (ret > n) break; // error buffer overflow
for (; *str; str ++, (*out) ++ ) {
@ -96,7 +97,7 @@ static int rvsnprintf(char* out, size_t n, const char* fmt, va_list ap) {
if (*fmt == '%') {
// FIXME
fmt++;
print_fmt(&out, 123, &fmt, ap);
print_fmt(&out, 123, &fmt, &ap);
continue;
}
*out = *fmt;