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Fix some null derefs in r2pipe C api

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This commit is contained in:
pancake 2015-12-15 15:34:38 +01:00
parent 69b974eca3
commit 4180c8e439
1 changed files with 6 additions and 1 deletions
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7
libr/socket/r2pipe.c
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@ -17,6 +17,7 @@ static void env(const char *s, int f) {
#endif
R_API int r2p_close(R2Pipe *r2p) {
if (!r2p) return 0;
#if __WINDOWS__ && !defined(__CYGWIN__)
if (r2p->pipe) {
CloseHandle (r2p->pipe);
@ -177,7 +178,10 @@ R_API char *r2p_cmdf(R2Pipe *r2p, const char *fmt, ...) {
}
R_API int r2p_write(R2Pipe *r2p, const char *str) {
int ret, len = strlen (str)+1; /* include \x00 */
int ret, len;
if (!r2p || !str)
return -1;
len = strlen (str)+1; /* include \x00 */
#if __WINDOWS__ && !defined(__CYGWIN__)
DWORD dwWritten = -1;
WriteFile (r2p->pipe, str, len, &dwWritten, NULL);
@ -191,6 +195,7 @@ R_API int r2p_write(R2Pipe *r2p, const char *str) {
/* TODO: add timeout here ? */
R_API char *r2p_read(R2Pipe *r2p) {
char buf[1024];
if (!r2p) return NULL;
#if __WINDOWS__ && !defined(__CYGWIN__)
BOOL bSuccess = FALSE;
DWORD dwRead = 0;