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newlib: fixed error handling in write()

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git-svn-id: svn://kolibrios.org@6330 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2016-03-13 00:52:58 +00:00
parent f29da4d0ec
commit b141c63200
3 changed files with 30 additions and 23 deletions
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5
contrib/sdk/sources/newlib/libc/include/ctype.h
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@ -40,9 +40,10 @@ int _EXFUN(toascii, (int __c));
#define _B 0200 #define _B 0200
#ifndef _MB_CAPABLE #ifndef _MB_CAPABLE
_CONST extern _CONST __IMPORT char *__ctype_ptr__;
#endif #else
extern __IMPORT char *__ctype_ptr__; extern __IMPORT char *__ctype_ptr__;
#endif
#ifndef __cplusplus #ifndef __cplusplus
/* These macros are intentionally written in a manner that will trigger /* These macros are intentionally written in a manner that will trigger

7
contrib/sdk/sources/newlib/libc/sys/iowrite.c
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@ -1,4 +1,5 @@
#include <sys/types.h> #include <sys/types.h>
#include <errno.h>
#include <sys/kos_io.h> #include <sys/kos_io.h>
int write_file(const char *path,const void *buff, int write_file(const char *path,const void *buff,
@ -24,5 +25,9 @@ int write_file(const char *path,const void *buff,
"addl $28, %%esp \n\t" "addl $28, %%esp \n\t"
:"=a" (retval) :"=a" (retval)
:"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(writes)); :"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(writes));
return retval; if(retval == 0)
return 0;
else if (retval == 8)
return ENOSPC;
return -1;
}; };

3
contrib/sdk/sources/newlib/libc/sys/write.c
View File

@ -86,9 +86,10 @@ static int os_write(int handle, const void *buffer, unsigned len, unsigned *amt
ioh->offset+= *amt; ioh->offset+= *amt;
if( *amt != len ) if( *amt && *amt != len )
{ {
rc = ENOSPC; rc = ENOSPC;
errno = rc;
} }
return( rc ); return( rc );