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swaybar: rewrite protocol determination

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This now uses the getline function to receive the header, replacing
read_line_buffer, which has been deleted since it is otherwise unused.
Furthermore, once the protocol has been determined, the current status
is handled immediately to be shown (though this has not been added for
the i3bar protocol since it has not yet been rewritten to handle this).
This commit is contained in:
Ian Fan 2018-09-17 14:00:44 +01:00
parent 70245c2cd5
commit 8cbce77e1d
2 changed files with 33 additions and 56 deletions
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25
common/readline.c
View file

@ -70,28 +70,3 @@ char *peek_line(FILE *file, int line_offset, long *position) {
fseek(file, pos, SEEK_SET);
return line;
}
char *read_line_buffer(FILE *file, char *string, size_t string_len) {
size_t length = 0;
if (!string) {
return NULL;
}
while (1) {
int c = getc(file);
if (c == EOF || c == '\n' || c == '\0') {
break;
}
if (c == '\r') {
continue;
}
string[length++] = c;
if (string_len <= length) {
return NULL;
}
}
if (length + 1 == string_len) {
return NULL;
}
string[length] = '\0';
return string;
}