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| author | gameblabla | 2019-07-18 02:28:22 +0200 |
|---|---|---|
| committer | gameblabla | 2019-07-18 02:28:22 +0200 |
| commit | c3d791f109093fb502a6674c13bd1196d94bca14 (patch) | |
| tree | 16e3efdde2d712d0a07b6af9212f10f513f05ee5 /libpcsxcore | |
| parent | ba4ecb8c6e99104da806fa6455346f5a4890d1c4 (diff) | |
| download | pcsx_rearmed-c3d791f109093fb502a6674c13bd1196d94bca14.tar.gz pcsx_rearmed-c3d791f109093fb502a6674c13bd1196d94bca14.tar.bz2 pcsx_rearmed-c3d791f109093fb502a6674c13bd1196d94bca14.zip | |
psxbios: Add checks for strcpy & strncpy.
This should be closer to documentation.
Diffstat (limited to 'libpcsxcore')
| -rw-r--r-- | libpcsxcore/psxbios.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c index be3abb8..13cfe73 100644 --- a/libpcsxcore/psxbios.c +++ b/libpcsxcore/psxbios.c @@ -630,6 +630,12 @@ void psxBios_strncmp() { // 0x18 void psxBios_strcpy() { // 0x19 char *p1 = (char *)Ra0, *p2 = (char *)Ra1; + if (a0 == 0 || a1 == 0) + { + v0 = 0; + pc0 = ra; + return; + } while ((*p1++ = *p2++) != '\0'); v0 = a0; pc0 = ra; @@ -638,7 +644,12 @@ void psxBios_strcpy() { // 0x19 void psxBios_strncpy() { // 0x1a char *p1 = (char *)Ra0, *p2 = (char *)Ra1; s32 n = a2, i; - + if (a0 == 0 || a1 == 0) + { + v0 = 0; + pc0 = ra; + return; + } for (i = 0; i < n; i++) { if ((*p1++ = *p2++) == '\0') { while (++i < n) { |