Fix C89 issue

jeremyevans · jeremyevans · commit 2d63fea1faa2 · 2022-05-29T20:58:04.000-07:00
diff --git a/ext/stringio/stringio.c b/ext/stringio/stringio.c
@@ -1200,6 +1200,7 @@ strio_getline(struct getline_arg *arg, struct StringIO *ptr)
 	str = strio_substr(ptr, ptr->pos, e - s - w, enc);
     }
     else if ((n = RSTRING_LEN(str)) == 0) {
+        const char *paragraph_end = NULL;
 	p = s;
 	while (p[(p + 1 < e) && (*p == '\r') && 0] == '\n') {
 	    p += *p == '\r';
@@ -1208,7 +1209,6 @@ strio_getline(struct getline_arg *arg, struct StringIO *ptr)
 	    }
 	}
 	s = p;
-        const char *paragraph_end = NULL;
 	while ((p = memchr(p, '\n', e - p)) && (p != e)) {
             p++;
             if (!((p < e && *p == '\n') ||

Original file line number	Diff line number	Diff line change
`@@ -1200,6 +1200,7 @@ strio_getline(struct getline_arg arg, struct StringIO ptr)`
`1200`	`1200`	`str = strio_substr(ptr, ptr->pos, e - s - w, enc);`
`1201`	`1201`	`}`
`1202`	`1202`	`else if ((n = RSTRING_LEN(str)) == 0) {`
	`1203`	`+ const char *paragraph_end = NULL;`
`1203`	`1204`	`p = s;`
`1204`	`1205`	`while (p[(p + 1 < e) && (*p == '\r') && 0] == '\n') {`
`1205`	`1206`	`p += *p == '\r';`
`@@ -1208,7 +1209,6 @@ strio_getline(struct getline_arg arg, struct StringIO ptr)`
`1208`	`1209`	`}`
`1209`	`1210`	`}`
`1210`	`1211`	`s = p;`
`1211`		`- const char *paragraph_end = NULL;`
`1212`	`1212`	`while ((p = memchr(p, '\n', e - p)) && (p != e)) {`
`1213`	`1213`	`p++;`
`1214`	`1214`	`if (!((p < e && *p == '\n') \|\|`