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float_to_bits: add '-v' argument for verbose printing of the bits

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This commit is contained in:
Harald Welte 2011-06-04 22:11:56 +02:00
parent e417cc16f5
commit 07d1f1f7d2
1 changed files with 19 additions and 6 deletions
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25
src/float_to_bits.c
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@ -74,19 +74,31 @@ static void sym_int2bits(int sym, uint8_t *ret)
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int fd, fd_out; int fd, fd_out, opt;
if (argc < 3) { int opt_verbose = 0;
fprintf(stderr, "Usage: %s <infile> <outfile>\n", argv[0]);
while ((opt = getopt(argc, argv, "v")) != -1) {
switch (opt) {
case 'v':
opt_verbose = 1;
break;
default:
exit(2);
}
}
if (argc <= optind+1) {
fprintf(stderr, "Usage: %s [-v] <infile> <outfile>\n", argv[0]);
exit(2); exit(2);
} }
fd = open(argv[1], O_RDONLY); fd = open(argv[optind], O_RDONLY);
if (fd < 0) { if (fd < 0) {
perror("open infile"); perror("open infile");
exit(1); exit(1);
} }
fd_out = creat(argv[2], 0660); fd_out = creat(argv[optind+1], 0660);
if (fd_out < 0) { if (fd_out < 0) {
perror("open outfile"); perror("open outfile");
exit(1); exit(1);
@ -104,7 +116,8 @@ int main(int argc, char **argv)
rc = process_sym_fl(0.3f, fl); rc = process_sym_fl(0.3f, fl);
sym_int2bits(rc, bits); sym_int2bits(rc, bits);
//printf("%2d %1u %1u %f\n", rc, bits[0], bits[1], fl); //printf("%2d %1u %1u %f\n", rc, bits[0], bits[1], fl);
//printf("%1u%1u", bits[0], bits[1]); if (opt_verbose)
printf("%1u%1u", bits[0], bits[1]);
rc = write(fd_out, bits, 2); rc = write(fd_out, bits, 2);
if (rc < 0) { if (rc < 0) {