Move collapse_whitespace to utils.c / utils.h

2 files changed, 25 insertions, 11 deletions

diff --git a/src/ini.c b/src/ini.c
index 6716a07..ada0701 100644
--- a/src/ini.c
+++ b/src/ini.c
@@ -229,17 +229,6 @@ char *unquote(char *s) {
     return s;
 }
 
-char *collapse_whitespace(char **s) {
-    size_t len = strlen(*s);
-    size_t i;
-    for (i = 0; isblank((int)*s[i]); i++);
-    memmove(*s, *s + i, strlen(*s));
-    if (i) {
-        *s[len - i] = '\0';
-    }
-    return *s;
-}
-
 void ini_free(struct INIFILE **ini) {
     for (size_t section = 0; section < (*ini)->section_count; section++) {
         for (size_t data = 0; data < (*ini)->section[section]->data_count; data++) {
diff --git a/src/utils.c b/src/utils.c
index 941923a..74b4f6f 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -647,3 +647,28 @@ int fix_tox_conf(const char *filename, char **result) {
     ini_free(&toxini);
     return 0;
 }
+
+static size_t count_blanks(char *s) {
+    size_t blank = 0;
+    for (size_t i = 0; i < strlen(s); i++) {
+        if (isblank(s[i])) {
+            blank++;
+        } else {
+            break;
+        }
+    }
+    return blank;
+}
+
+char *collapse_whitespace(char **s) {
+    char *x = (*s);
+    size_t len = strlen(x);
+    for (size_t i = 0; i < len; i++) {
+        size_t blank = count_blanks(&x[i]);
+        if (blank > 1) {
+            memmove(&x[i], &x[i] + blank, strlen(&x[i]));
+        }
+    }
+
+    return *s;
+}