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必须转为cstring，否则会当作缓冲区，并把最后一个字符清零。当作缓冲区，长度加一也可以

This commit is contained in:
大石头X2 2017-02-14 16:05:50 +08:00
parent 1a87e709f4
commit ff1cdc62f0
1 changed files with 3 additions and 3 deletions
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6
Kernel/Sys.cpp
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@ -242,7 +242,7 @@ extern "C"
// 是否新行结尾 // 是否新行结尾
static bool newline = false; static bool newline = false;
int SmartOS_printf(const char* format, ...) WEAK int SmartOS_printf(const char* format, ...)
{ {
if(Sys.Clock == 0 || Sys.MessagePort == COM_NONE) return 0; if(Sys.Clock == 0 || Sys.MessagePort == COM_NONE) return 0;
@ -269,7 +269,6 @@ extern "C"
va_list ap; va_list ap;
va_start(ap, format); va_start(ap, format);
//int rs = printf(format, ap);
int rs = vsnprintf(&cs[tab], sizeof(cs) - tab, format, ap); int rs = vsnprintf(&cs[tab], sizeof(cs) - tab, format, ap);
va_end(ap); va_end(ap);
@ -278,7 +277,8 @@ extern "C"
newline = cs[tab + rs - 1] == '\r' || cs[tab + rs - 1] == '\n'; newline = cs[tab + rs - 1] == '\r' || cs[tab + rs - 1] == '\n';
rs += SmartOS_Log(String(cs, tab + rs)); // 必须转为cstring，否则会当作缓冲区，并把最后一个字符清零。当作缓冲区，长度加一也可以
rs += SmartOS_Log(String((cstring)cs, tab + rs));
return rs; return rs;
} }