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Fix snprintf warning, improve error messages when path too long

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This commit is contained in:
Zachary Cook 2021-04-21 22:55:06 -04:00
parent df4797567f
commit a6fa9ddb2d
1 changed files with 5 additions and 2 deletions
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7
libretro.cpp
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@ -214,6 +214,7 @@ static bool firmware_is_present(unsigned region)
int r = snprintf(bios_path, sizeof(bios_path), "%s%c%s", retro_base_directory, retro_slash, bios_name_list[i]);
if (r >= 4096)
{
bios_path[4095] = '\0';
log_cb(RETRO_LOG_ERROR, "Firmware path longer than 4095: %s\n", bios_path);
break;
}
@ -3824,7 +3825,9 @@ static bool MDFNI_LoadCD(const char *devicename)
for(unsigned i = 0; i < PBP_PhysicalDiscCount; i++)
{
char image_name[4096];
/* image_name is at most 4096 - 4 (removing ".pbp")
* gives label room to add index and quiets gcc warnings */
char image_name[4092];
char image_label[4096];
image_name[0] = '\0';
@ -4944,8 +4947,8 @@ const char *MDFN_MakeFName(MakeFName_Type type, int id1, const char *cd1)
if (r > 4095)
{
log_cb(RETRO_LOG_ERROR,"MakeFName path longer than 4095\n");
fullpath[4095] = '\0';
log_cb(RETRO_LOG_ERROR,"MakeFName path longer than 4095: %s\n", fullpath);
}
return fullpath;