mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-04-20 03:24:49 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

snprintf implementation

Browse source
This commit is contained in:
georgemoralis 2023-11-13 09:22:26 +02:00
parent 7631ebb76f
commit 9b8615e99b
4 changed files with 15 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/core/hle/libraries/libc/libc.cpp
View file

@ -440,6 +440,7 @@ void libcSymbolsRegister(Loader::SymbolsResolver* sym) {
LIB_FUNCTION("Q2V+iqvjgC0", "libc", 1, "libc", 1, 1, vsnprintf);
LIB_FUNCTION("YQ0navp+YIc", "libc", 1, "libc", 1, 1, puts);
LIB_FUNCTION("fffwELXNVFA", "libc", 1, "libc", 1, 1, fprintf);
LIB_FUNCTION("eLdDw6l0-bU", "libc", 1, "libc", 1, 1, snprintf);
// misc
LIB_OBJ("P330P3dFF68", "libc", 1, "libc", 1, 1, &g_need_sceLibc);

5
src/core/hle/libraries/libc/libc_stdio.cpp
View file

@ -22,6 +22,11 @@ int PS4_SYSV_ABI fprintf(FILE* file, VA_ARGS) {
return 0;
}
int PS4_SYSV_ABI snprintf(char* s, size_t n, VA_ARGS) {
VA_CTX(ctx);
return snprintf_ctx(s, n, &ctx);
}
int PS4_SYSV_ABI vsnprintf(char* s, size_t n, const char* format, VaList* arg) {
return vsnprintf_ctx(s, n, format, arg);
}

2
src/core/hle/libraries/libc/libc_stdio.h
View file

@ -9,5 +9,5 @@ int PS4_SYSV_ABI printf(VA_ARGS);
int PS4_SYSV_ABI vsnprintf(char* s, size_t n, const char* format, VaList* arg);
int PS4_SYSV_ABI puts(const char* s);
int PS4_SYSV_ABI fprintf(FILE* file, VA_ARGS);
int PS4_SYSV_ABI snprintf(char* s, size_t n, VA_ARGS);
} // namespace Core::Libraries::LibC

8
src/core/hle/libraries/libc/printf.h
View file

@ -694,6 +694,14 @@ static int printf_ctx(VaCtx* ctx) {
return result;
}
static int snprintf_ctx(char* s, size_t n,VaCtx* ctx) {
const char* format = vaArgPtr<const char>(&ctx->va_list);
char buffer[256];//it is big enough?
int result = _vsnprintf(_out_buffer, buffer, format, &ctx->va_list);
std::strncpy(s, buffer,n);
return result;
}
static int vsnprintf_ctx(char* s, size_t n, const char* format, VaList* arg) {
char buffer[n];
int result = _vsnprintf(_out_buffer, buffer, format, arg);