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delete all, set all

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This commit is contained in:
Frédéric Mangano 2013-01-01 20:56:04 +01:00
parent 11e924cdee
commit 0dd086495d
1 changed files with 62 additions and 4 deletions
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66
opustags.c
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@ -160,9 +160,11 @@ int main(int argc, char **argv){
const char* to_add[argc];
const char* to_delete[argc];
int count_add = 0, count_delete = 0;
int delete_all = 0;
int set_all = 0;
int overwrite = 0;
int c;
while((c = getopt(argc, argv, "o:yd:a:s:")) != -1){
while((c = getopt(argc, argv, "o:yd:a:s:DS")) != -1){
switch(c){
case 'o':
path_out = optarg;
@ -187,6 +189,11 @@ int main(int argc, char **argv){
if(c == 's')
to_delete[count_delete++] = optarg;
break;
case 'S':
set_all = 1;
case 'D':
delete_all = 1;
break;
default:
return EXIT_FAILURE;
}
@ -215,8 +222,15 @@ int main(int argc, char **argv){
}
}
FILE *in;
if(strcmp(path_in, "-") == 0)
if(strcmp(path_in, "-") == 0){
if(set_all){
fputs("can't open stdin for input when -S is specified\n", stderr);
if(out)
fclose(out);
return EXIT_FAILURE;
}
in = stdin;
}
else
in = fopen(path_in, "r");
if(!in){
@ -294,8 +308,50 @@ int main(int argc, char **argv){
error = "opustags: invalid comment header";
break;
}
for(int i=0; i<count_delete; i++)
delete_tags(&tags, to_delete[i]);
if(delete_all)
tags.count = 0;
else{
int i;
for(i=0; i<count_delete; i++)
delete_tags(&tags, to_delete[i]);
}
char *raw_tags = NULL;
if(set_all){
raw_tags = malloc(16384);
if(raw_tags == NULL){
error = "malloc: not enough memory for buffering stdin";
free(raw_tags);
break;
}
else{
char *raw_comment[256];
size_t raw_len = fread(raw_tags, 1, 16384, stdin);
if(raw_len == 16384)
fputs("warning: truncating comment to 16 KiB\n", stderr);
uint32_t raw_count = 0;
size_t field_len = 0;
int caught_eq = 0;
size_t i = 0;
char *cursor = raw_tags;
for(i=0; i<raw_len && raw_count < 256; i++){
if(raw_tags[i] == '\n'){
if(caught_eq)
raw_comment[raw_count++] = cursor;
else
fputs("warning: skipping malformed tag\n", stderr);
cursor = raw_tags + i + 1;
field_len = 0;
caught_eq = 0;
raw_tags[i] = '\0';
continue;
}
if(raw_tags[i] == '=')
caught_eq = 1;
field_len++;
}
add_tags(&tags, (const char**) raw_comment, raw_count);
}
}
add_tags(&tags, to_add, count_add);
if(out){
ogg_packet packet;
@ -307,6 +363,8 @@ int main(int argc, char **argv){
else
print_tags(&tags);
free_tags(&tags);
if(raw_tags)
free(raw_tags);
if(error)
break;
else