dave/openttd
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(svn r14540) -Codechange: introduce [v]seprintf which are like [v]snprintf but do return the number of characters written instead of the number of characters that would be written; as size_t is unsigned substraction can cause integer underflows quite quickly.

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This commit is contained in:
rubidium
2008-10-28 14:42:31 +00:00
parent 83e1a083d1
commit 0d2f84e117
9 changed files with 97 additions and 41 deletions
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6
src/driver.cpp
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@@ -168,7 +168,7 @@ void DriverFactoryBase::RegisterDriver(const char *name, Driver::Type type, int
char *DriverFactoryBase::GetDriversInfo(char *p, const char *last)
{
for (Driver::Type type = Driver::DT_BEGIN; type != Driver::DT_END; type++) {
p += snprintf(p, last - p, "List of %s drivers:\n", GetDriverTypeName(type));
p += seprintf(p, last, "List of %s drivers:\n", GetDriverTypeName(type));
for (int priority = 10; priority >= 0; priority--) {
Drivers::iterator it = GetDrivers().begin();
@@ -176,11 +176,11 @@ char *DriverFactoryBase::GetDriversInfo(char *p, const char *last)
DriverFactoryBase *d = (*it).second;
if (d->type != type) continue;
if (d->priority != priority) continue;
p += snprintf(p, last - p, "%18s: %s\n", d->name, d->GetDescription());
p += seprintf(p, last, "%18s: %s\n", d->name, d->GetDescription());
}
}
p += snprintf(p, last - p, "\n");
p += seprintf(p, last, "\n");
}
return p;