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Bugfix: don't try to read/write/append to file if it was not possible to open it. Bugfix: CFS file descriptors that are 0 are OK.

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This commit is contained in:
adamdunkels 2008-07-02 14:06:46 +00:00
parent 7e4bab3cc8
commit adbf6c47ab
1 changed files with 66 additions and 66 deletions
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30
apps/shell/shell-file.c
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@ -28,7 +28,7 @@
*
* This file is part of the Contiki operating system.
*
* $Id: shell-file.c,v 1.3 2008/05/24 08:31:56 oliverschmidt Exp $
* $Id: shell-file.c,v 1.4 2008/07/02 14:06:46 adamdunkels Exp $
*/
/**
@ -75,7 +75,7 @@ PROCESS_THREAD(shell_ls_process, ev, data)
char buf[32];
PROCESS_BEGIN();
if(cfs_opendir(&dir, ".") != 0) {
if(cfs_opendir(&dir, "/") != 0) {
shell_output_str(&ls_command, "Cannot open directory", "");
} else {
totsize = 0;
@ -101,11 +101,10 @@ PROCESS_THREAD(shell_append_process, ev, data)
fd = cfs_open(data, CFS_WRITE | CFS_APPEND);
if(fd <= 0) {
if(fd < 0) {
shell_output_str(&append_command,
"Could not open file for writing: ", data);
}
"append: could not open file for writing: ", data);
} else {
while(1) {
struct shell_input *input;
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
@ -123,6 +122,7 @@ PROCESS_THREAD(shell_append_process, ev, data)
input->data1, input->len1,
input->data2, input->len2);
}
}
PROCESS_END();
}
@ -137,11 +137,10 @@ PROCESS_THREAD(shell_write_process, ev, data)
fd = cfs_open(data, CFS_WRITE);
if(fd <= 0) {
if(fd < 0) {
shell_output_str(&write_command,
"Could not open file for writing: ", data);
}
"write: could not open file for writing: ", data);
} else {
while(1) {
struct shell_input *input;
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
@ -159,6 +158,7 @@ PROCESS_THREAD(shell_write_process, ev, data)
input->data1, input->len1,
input->data2, input->len2);
}
}
PROCESS_END();
}
@ -171,11 +171,10 @@ PROCESS_THREAD(shell_read_process, ev, data)
fd = cfs_open(data, CFS_READ);
if(fd <= 0) {
shell_output_str(&write_command,
"Could not open file for reading: ", data);
}
if(fd < 0) {
shell_output_str(&read_command,
"read: could not open file for reading: ", data);
} else {
while(1) {
char buf[40];
@ -203,6 +202,7 @@ PROCESS_THREAD(shell_read_process, ev, data)
}
}
}
}
PROCESS_END();
}