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[LIBC] fix the open mode when using fopen in arm libc.

This commit is contained in:
bernard 2014-11-03 22:32:15 +08:00
parent a00cc57487
commit 7e871b0ddd
1 changed files with 32 additions and 3 deletions
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35
components/libc/armlibc/stubs.c
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@ -48,6 +48,7 @@ FILEHANDLE _sys_open(const char *name, int openmode)
{
#ifdef RT_USING_DFS
int fd;
int mode = O_RDONLY;
#endif
/* Register standard Input Output devices. */
@ -61,8 +62,33 @@ FILEHANDLE _sys_open(const char *name, int openmode)
#ifndef RT_USING_DFS
return -1;
#else
/* TODO: adjust open file mode */
fd = open(name, openmode, 0);
/* Correct openmode from fopen to open */
if (openmode & OPEN_PLUS)
{
if (openmode & OPEN_W)
{
mode |= (O_RDWR | O_TRUNC | O_CREAT);
}
else if (openmode & OPEN_A)
{
mode |= (O_RDWR | O_APPEND | O_CREAT);
}
else
mode |= O_RDWR;
}
else
{
if (openmode & OPEN_W)
{
mode |= (O_WRONLY | O_TRUNC | O_CREAT);
}
else if (openmode & OPEN_A)
{
mode |= (O_WRONLY | O_APPEND | O_CREAT);
}
}
fd = open(name, mode, 0);
if(fd < 0)
return -1;
else
@ -196,7 +222,10 @@ char *_sys_command_string(char *cmd, int len)
void _ttywrch(int ch)
{
/* TODO */
char c;
c = (char)ch;
rt_kprintf(&c);
}
void _sys_exit(int return_code)