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more const, use bb_getopt_ulflags, insert XXX for show place of problems

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This commit is contained in:
"Vladimir N. Oleynik" 2005-10-17 10:47:19 +00:00
parent 485d7cbdf1
commit 86ac072b44
1 changed files with 52 additions and 39 deletions
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91
networking/tftp.c
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@ -60,7 +60,7 @@
#define TFTP_ERROR 5
#define TFTP_OACK 6
static const char *tftp_bb_error_msg[] = {
static const char * const tftp_bb_error_msg[] = {
"Undefined error",
"File not found",
"Access violation",
@ -71,8 +71,17 @@ static const char *tftp_bb_error_msg[] = {
"No such user"
};
static const int tftp_cmd_get = 1;
static const int tftp_cmd_put = 2;
#ifdef CONFIG_FEATURE_TFTP_GET
# define tftp_cmd_get 1
#else
# define tftp_cmd_get 0
#endif
#ifdef CONFIG_FEATURE_TFTP_PUT
# define tftp_cmd_put (tftp_cmd_get+1)
#else
# define tftp_cmd_put 0
#endif
#ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE
@ -375,7 +384,7 @@ static inline int tftp(const int cmd, const struct hostent *host,
#endif
if (opcode == TFTP_ERROR) {
char *msg = NULL;
const char *msg = NULL;
if (buf[4] != '\0') {
msg = &buf[4];
@ -383,7 +392,7 @@ static inline int tftp(const int cmd, const struct hostent *host,
} else if (tmp < (sizeof(tftp_bb_error_msg)
/ sizeof(char *))) {
msg = (char *) tftp_bb_error_msg[tmp];
msg = tftp_bb_error_msg[tmp];
}
if (msg) {
@ -509,71 +518,75 @@ int tftp_main(int argc, char **argv)
/* figure out what to pass to getopt */
#ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE
char *sblocksize = NULL;
#define BS "b:"
#define BS_ARG , &sblocksize
#else
#define BS
#define BS_ARG
#endif
#ifdef CONFIG_FEATURE_TFTP_GET
#define GET "g"
#define GET_COMPL ":g"
#else
#define GET
#define GET_COMP
#endif
#ifdef CONFIG_FEATURE_TFTP_PUT
#define PUT "p"
#define PUT_COMPL ":p"
#else
#define PUT
#define PUT_COMPL
#endif
while ((opt = getopt(argc, argv, BS GET PUT "l:r:")) != -1) {
switch (opt) {
#if defined(CONFIG_FEATURE_TFTP_GET) && defined(CONFIG_FEATURE_TFTP_PUT)
bb_opt_complementally = GET_COMPL PUT_COMPL ":?g--p:p--g";
#elif defined(CONFIG_FEATURE_TFTP_GET) || defined(CONFIG_FEATURE_TFTP_PUT)
bb_opt_complementally = GET_COMPL PUT_COMPL;
#else
/* XXX: may be should #error ? */
#endif
opt = bb_getopt_ulflags(argc, argv, GET PUT "l:r:" BS,
&localfile, &remotefile BS_ARG);
#ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE
case 'b':
blocksize = atoi(optarg);
if (!tftp_blocksize_check(blocksize, 0)) {
return EXIT_FAILURE;
}
break;
#endif
#ifdef CONFIG_FEATURE_TFTP_GET
case 'g':
cmd = tftp_cmd_get;
flags = O_WRONLY | O_CREAT | O_TRUNC;
break;
#endif
#ifdef CONFIG_FEATURE_TFTP_PUT
case 'p':
cmd = tftp_cmd_put;
flags = O_RDONLY;
break;
#endif
case 'l':
localfile = optarg;
break;
case 'r':
remotefile = optarg;
break;
if(sblocksize) {
blocksize = atoi(sblocksize);
if (!tftp_blocksize_check(blocksize, 0)) {
return EXIT_FAILURE;
}
}
#endif
cmd &= (tftp_cmd_get & tftp_cmd_put);
#ifdef CONFIG_FEATURE_TFTP_GET
if(cmd == tftp_cmd_get)
flags = O_WRONLY | O_CREAT | O_TRUNC;
#endif
#ifdef CONFIG_FEATURE_TFTP_PUT
if(cmd == tftp_cmd_put)
flags = O_RDONLY;
#endif
if ((cmd == 0) || (optind == argc)) {
bb_show_usage();
}
if(localfile && strcmp(localfile, "-") == 0) {
fd = fileno((cmd==tftp_cmd_get)? stdout : stdin);
}
if(localfile == NULL)
localfile = remotefile;
if(remotefile == NULL)
remotefile = localfile;
if (fd==-1) {
/* XXX: I corrected this, but may be wrong too. vodz */
if(localfile==NULL || strcmp(localfile, "-") == 0) {
fd = fileno((cmd==tftp_cmd_get)? stdout : stdin);
} else if (fd==-1) {
fd = open(localfile, flags, 0644);
}
if (fd < 0) {
bb_perror_msg_and_die("local file");
}
/* XXX: argv[optind] and/or argv[optind + 1] may be NULL! */
host = xgethostbyname(argv[optind]);
port = bb_lookup_port(argv[optind + 1], "udp", 69);