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Fix builds that don't use the memory manager (#7648)

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This commit is contained in:
Vincent Stumpf
2023-03-18 23:57:44 -07:00
committed by GitHub
parent b4f740ce18
commit 4e646235d2
2 changed files with 105 additions and 0 deletions
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96
src/common/strlib.cpp
View File

@@ -948,6 +948,7 @@ bool sv_readdb(const char* directory, const char* filename, char delim, int minc
//
// @author MouseJstr (original)
#ifdef USE_MEMMGR
/// Allocates a StringBuf
StringBuf* _StringBuf_Malloc(const char *file, int line, const char *func)
{
@@ -1041,6 +1042,101 @@ int _StringBuf_AppendStr(const char *file, int line, const char *func,StringBuf*
return (int)(self->ptr_ - self->buf_);
}
#else
/// Allocates a StringBuf
StringBuf* StringBuf_Malloc(void)
{
StringBuf* self;
self = (StringBuf *)aMalloc(sizeof(StringBuf));
StringBuf_Init(self);
return self;
}
/// Initializes a previously allocated StringBuf
void StringBuf_Init(StringBuf* self)
{
self->max_ = 1024;
self->ptr_ = self->buf_ = (char*)aMalloc(self->max_ + 1);
}
/// Appends the result of printf to the StringBuf
int StringBuf_Printf(StringBuf* self, const char* fmt, ...)
{
int len;
va_list ap;
va_start(ap, fmt);
len = StringBuf_Vprintf(self, fmt, ap);
va_end(ap);
return len;
}
/// Appends the result of vprintf to the StringBuf
int StringBuf_Vprintf(StringBuf* self, const char* fmt, va_list ap)
{
for(;;)
{
int n, size, off;
va_list apcopy;
/* Try to print in the allocated space. */
size = self->max_ - (self->ptr_ - self->buf_);
va_copy(apcopy, ap);
n = vsnprintf(self->ptr_, size, fmt, apcopy);
va_end(apcopy);
/* If that worked, return the length. */
if( n > -1 && n < size )
{
self->ptr_ += n;
return (int)(self->ptr_ - self->buf_);
}
/* Else try again with more space. */
self->max_ *= 2; // twice the old size
off = (int)(self->ptr_ - self->buf_);
self->buf_ = (char*)aRealloc(self->buf_, self->max_ + 1);
self->ptr_ = self->buf_ + off;
}
}
/// Appends the contents of another StringBuf to the StringBuf
int StringBuf_Append(StringBuf* self, const StringBuf* sbuf)
{
int available = self->max_ - (self->ptr_ - self->buf_);
int needed = (int)(sbuf->ptr_ - sbuf->buf_);
if( needed >= available )
{
int off = (int)(self->ptr_ - self->buf_);
self->max_ += needed;
self->buf_ = (char*)aRealloc(self->buf_, self->max_ + 1);
self->ptr_ = self->buf_ + off;
}
memcpy(self->ptr_, sbuf->buf_, needed);
self->ptr_ += needed;
return (int)(self->ptr_ - self->buf_);
}
// Appends str to the StringBuf
int StringBuf_AppendStr(StringBuf* self, const char* str)
{
int available = self->max_ - (self->ptr_ - self->buf_);
int needed = (int)strlen(str);
if( needed >= available )
{// not enough space, expand the buffer (minimum expansion = 1024)
int off = (int)(self->ptr_ - self->buf_);
self->max_ += max(needed, 1024);
self->buf_ = (char*)aRealloc(self->buf_, self->max_ + 1);
self->ptr_ = self->buf_ + off;
}
memcpy(self->ptr_, str, needed);
self->ptr_ += needed;
return (int)(self->ptr_ - self->buf_);
}
#endif
// Returns the length of the data in the Stringbuf
int StringBuf_Length(StringBuf* self)
{

9
src/common/strlib.hpp
View File

@@ -144,6 +144,7 @@ struct StringBuf
};
typedef struct StringBuf StringBuf;
#ifdef USE_MEMMGR
StringBuf* _StringBuf_Malloc(const char *file, int line, const char *func);
#define StringBuf_Malloc() _StringBuf_Malloc(ALC_MARK)
void _StringBuf_Init(const char *file, int line, const char *func, StringBuf* self);
@@ -156,6 +157,14 @@ int _StringBuf_Append(const char *file, int line, const char *func, StringBuf* s
#define StringBuf_Append(self,sbuf) _StringBuf_Append(ALC_MARK,self,sbuf)
int _StringBuf_AppendStr(const char *file, int line, const char *func, StringBuf* self, const char* str);
#define StringBuf_AppendStr(self,str) _StringBuf_AppendStr(ALC_MARK,self,str)
#else
StringBuf* StringBuf_Malloc();
void StringBuf_Init(StringBuf* self);
int StringBuf_Printf(StringBuf* self, const char* fmt, ...);
int StringBuf_Vprintf(StringBuf* self, const char* fmt, va_list args);
int StringBuf_Append(StringBuf* self, const StringBuf* sbuf);
int StringBuf_AppendStr(StringBuf* self, const char* str);
#endif
int StringBuf_Length(StringBuf* self);
char* StringBuf_Value(StringBuf* self);
void StringBuf_Clear(StringBuf* self);