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tamashell: accepts script as arg, this makes shebang possible

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This commit is contained in:
Philippe Teuwen 2011-02-03 17:17:29 +00:00
parent 8c3caed99f
commit af7d04cd04
2 changed files with 48 additions and 27 deletions
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5
examples/pn53x-tamashell.1
View file

@ -3,6 +3,7 @@
pn53x-tamashell \- PN53x TAMA communication demonstration shell pn53x-tamashell \- PN53x TAMA communication demonstration shell
.SH SYNOPSIS .SH SYNOPSIS
.B pn53x-tamashell .B pn53x-tamashell
.IR [script]
.SH DESCRIPTION .SH DESCRIPTION
.B pn53x-tamashell .B pn53x-tamashell
is a simple interactive tool to send so called TAMA commands is a simple interactive tool to send so called TAMA commands
@ -50,6 +51,10 @@ Same thing, with a script:
Rx: Command Not Acceptable Rx: Command Not Acceptable
> Bye! > Bye!
.SH OPTIONS
.IR script
Script file with tama commands
.SH BUGS .SH BUGS
Please report any bugs on the Please report any bugs on the
.B libnfc .B libnfc

36
examples/pn53x-tamashell.c
View file

@ -36,15 +36,12 @@
# include "config.h" # include "config.h"
#endif // HAVE_CONFIG_H #endif // HAVE_CONFIG_H
#if defined(HAVE_READLINE)
# include <stdio.h>
# include <readline/readline.h>
# include <readline/history.h>
#else
# define _GNU_SOURCE // for getline on system with glibc < 2.10 # define _GNU_SOURCE // for getline on system with glibc < 2.10
# define _POSIX_C_SOURCE 200809L // for getline on system with glibc >= 2.10 # define _POSIX_C_SOURCE 200809L // for getline on system with glibc >= 2.10
# include <stdio.h> # include <stdio.h>
extern FILE* stdin; #if defined(HAVE_READLINE)
# include <readline/readline.h>
# include <readline/history.h>
#endif //HAVE_READLINE #endif //HAVE_READLINE
#include <stdlib.h> #include <stdlib.h>
@ -68,6 +65,15 @@ int main(int argc, const char* argv[])
byte_t abtTx[MAX_FRAME_LEN] = { 0xD4 }; byte_t abtTx[MAX_FRAME_LEN] = { 0xD4 };
size_t szRx; size_t szRx;
size_t szTx; size_t szTx;
extern FILE* stdin;
FILE* input = NULL;
if (argc >= 2) {
if((input=fopen(argv[1], "r"))==NULL) {
ERR ("%s", "Cannot open file.");
return EXIT_FAILURE;
}
}
// Try to open the NFC reader // Try to open the NFC reader
pnd = nfc_connect(NULL); pnd = nfc_connect(NULL);
@ -78,7 +84,6 @@ int main(int argc, const char* argv[])
} }
printf ("Connected to NFC reader: %s\n", pnd->acName); printf ("Connected to NFC reader: %s\n", pnd->acName);
nfc_initiator_init(pnd); nfc_initiator_init(pnd);
char * cmd; char * cmd;
@ -86,6 +91,7 @@ int main(int argc, const char* argv[])
while(1) { while(1) {
int offset=0; int offset=0;
#if defined(HAVE_READLINE) #if defined(HAVE_READLINE)
if (input==NULL) { // means we use stdin
cmd=readline(prompt); cmd=readline(prompt);
// NULL if ctrl-d // NULL if ctrl-d
if (cmd==NULL) { if (cmd==NULL) {
@ -93,13 +99,18 @@ int main(int argc, const char* argv[])
break; break;
} }
add_history(cmd); add_history(cmd);
#else } else {
#endif //HAVE_READLINE
cmd = NULL; cmd = NULL;
printf("%s", prompt); printf("%s", prompt);
fflush(0); fflush(0);
size_t n; size_t n;
extern FILE* stdin; int s;
int s = getline(&cmd, &n, stdin); if (input != NULL) {
s = getline(&cmd, &n, input);
} else {
s = getline(&cmd, &n, stdin);
}
if (s <= 0) { if (s <= 0) {
printf("Bye!\n"); printf("Bye!\n");
free(cmd); free(cmd);
@ -107,6 +118,8 @@ int main(int argc, const char* argv[])
} }
// FIXME print only if read from redirected stdin (i.e. script) // FIXME print only if read from redirected stdin (i.e. script)
printf("%s", cmd); printf("%s", cmd);
#if defined(HAVE_READLINE)
}
#endif //HAVE_READLINE #endif //HAVE_READLINE
if (cmd[0]=='q') { if (cmd[0]=='q') {
printf("Bye!\n"); printf("Bye!\n");
@ -151,6 +164,9 @@ int main(int argc, const char* argv[])
free(cmd); free(cmd);
} }
if (input != NULL) {
fclose(input);
}
nfc_disconnect(pnd); nfc_disconnect(pnd);
return 1; return 1;
} }