reduced code duplication

This commit is contained in:
taiyu 2015-08-15 22:11:19 -07:00
parent 9d69d880e6
commit e9e09d123c

View file

@ -53,8 +53,9 @@ char *strip_comments(char *str) {
list_t *split_string(const char *str, const char *delims) {
list_t *res = create_list();
int i, j;
for (i = 0, j = 0; i < strlen(str) + 1; ++i) {
if (strchr(delims, str[i]) || i == strlen(str)) {
int len = strlen(str);
for (i = 0, j = 0; i < len + 1; ++i) {
if (strchr(delims, str[i]) || i == len) {
if (i - j == 0) {
continue;
}
@ -63,7 +64,7 @@ list_t *split_string(const char *str, const char *delims) {
left[i - j] = 0;
list_add(res, left);
j = i + 1;
while (j <= strlen(str) && str[j] && strchr(delims, str[j])) {
while (j <= len && str[j] && strchr(delims, str[j])) {
j++;
i++;
}
@ -111,40 +112,44 @@ int unescape_string(char *string) {
for (i = 0; string[i]; ++i) {
if (string[i] == '\\') {
--len;
int shift = 0;
switch (string[++i]) {
case '0':
string[i - 1] = '\0';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 'a':
string[i - 1] = '\a';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 'b':
string[i - 1] = '\b';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 't':
string[i - 1] = '\t';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 'n':
string[i - 1] = '\n';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 'v':
string[i - 1] = '\v';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 'f':
string[i - 1] = '\f';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
case 'r':
string[i - 1] = '\r';
memmove(string + i, string + i + 1, len - i);
shift = 1;
break;
}
if (shift) {
memmove(string + i, string + i + shift, len - i);
}
}
}
return len;