1 files changed, 200 insertions, 199 deletions
diff --git a/l4arg.c b/l4arg.c
index 5e9f8b1..d8180f4 100644
--- a/l4arg.c
+++ b/l4arg.c
@@ -1,3 +1,4 @@
+/* vim: set sw=4 ts=4 sts=4 et: */
 #include "l4arg.h"
 #include "l4array.h"
 
@@ -5,237 +6,237 @@
 #include <string.h>
 
 LbsStrv* lbs_arg_parse (const char* str, const char* delim,
-	const char* esc, const LbsArgQuote* q, LbsArray** detail_ptr) {
+    const char* esc, const LbsArgQuote* q, LbsArray** detail_ptr) {
 
-	LbsStrv* strv = lbs_strv_new ();
-	if (strv == NULL) {
-		return NULL;
-	}
-	/* goto label => free_strv */
+    LbsStrv* strv = lbs_strv_new ();
+    if (strv == NULL) {
+        return NULL;
+    }
+    /* goto label => free_strv */
 
-	// string length cache
-	int qlen; // user-supplied quoting string table length
-	for (qlen = 0; q[qlen].left != NULL && q[qlen].right != NULL; qlen++);
+    // string length cache
+    int qlen; // user-supplied quoting string table length
+    for (qlen = 0; q[qlen].left != NULL && q[qlen].right != NULL; qlen++);
 
-	// qlen will not be too long, so we can use VLA
-	int qlen_p = qlen <= 0 ? 1 : qlen;
+    // qlen will not be too long, so we can use VLA
+    int qlen_p = qlen <= 0 ? 1 : qlen;
 
 #if __STDC_NO_VLA__
-	int* qllen = malloc (sizeof (int) * qlen_p);
-	if (qllen == NULL) {
-		lbs_strv_unref (strv);
-		return NULL;
-	}
-	int* qrlen = malloc (sizeof (int) * qlen_p);
-	if (qrlen == NULL) {
-		lbs_strv_unref (strv);
-		return NULL;
-	}
+    int* qllen = malloc (sizeof (int) * qlen_p);
+    if (qllen == NULL) {
+        lbs_strv_unref (strv);
+        return NULL;
+    }
+    int* qrlen = malloc (sizeof (int) * qlen_p);
+    if (qrlen == NULL) {
+        lbs_strv_unref (strv);
+        return NULL;
+    }
 #else
-	int qllen[qlen_p]; // left quoting string length
-	int qrlen[qlen_p]; // right quoting string length
+    int qllen[qlen_p]; // left quoting string length
+    int qrlen[qlen_p]; // right quoting string length
 #endif
 
-	for (int i = 0; i < qlen; i++) {
-		// empty strings are not allowed
-		qllen[i] = strlen (q[i].left);
-		if (qllen[i] <= 0) {
-			goto free_strv;
-		}
-		qrlen[i] = strlen (q[i].right);
-		if (qrlen[i] <= 0) {
-			goto free_strv;
-		}
-	}
-
-	LbsArray* detail;
-	if (detail_ptr != NULL) {
-		detail = lbs_array_new (sizeof (int));
-		if (detail == NULL) {
-			goto free_strv;
-		}
-		if (lbs_array_push_back (detail, &(int){-1}) < 0) {
-			goto free_detail;
-		}
-	} else {
-		detail = NULL;
-	}
-	/* goto label => free_detail */
-
-	bool is_delimed = true;
-	bool is_escaped = false;
-	bool is_quoted = false;
-	bool ignore_esc = false;
-	int stri = 0; // strv index
-	int qi; // quoting string index currently used
-
-	const char* p = str;
-	for (; *p != '\0'; p++) {
+    for (int i = 0; i < qlen; i++) {
+        // empty strings are not allowed
+        qllen[i] = strlen (q[i].left);
+        if (qllen[i] <= 0) {
+            goto free_strv;
+        }
+        qrlen[i] = strlen (q[i].right);
+        if (qrlen[i] <= 0) {
+            goto free_strv;
+        }
+    }
+
+    LbsArray* detail;
+    if (detail_ptr != NULL) {
+        detail = lbs_array_new (sizeof (int));
+        if (detail == NULL) {
+            goto free_strv;
+        }
+        if (lbs_array_push_back (detail, &(int){-1}) < 0) {
+            goto free_detail;
+        }
+    } else {
+        detail = NULL;
+    }
+    /* goto label => free_detail */
+
+    bool is_delimed = true;
+    bool is_escaped = false;
+    bool is_quoted = false;
+    bool ignore_esc = false;
+    int stri = 0; // strv index
+    int qi; // quoting string index currently used
+
+    const char* p = str;
+    for (; *p != '\0'; p++) {
 loop_start:
-		if (is_escaped) {
-			if (lbs_strv_append_char (strv, stri, *p) < 0) {
-				goto free_detail;
-			}
-			is_escaped = false;
-			continue;
-		}
-
-		if (is_quoted) {
-			if (strncmp (p, q[qi].right, qrlen[qi]) == 0) {
-				is_quoted = false;
-				is_escaped = false;
-				ignore_esc = false;
-				p += qrlen[qi] - 1;
-			} else {
-				if (!ignore_esc && strchr (esc, *p)) {
-					is_escaped = true;
-				} else {
-					if (lbs_strv_append_char (strv, stri, *p) < 0) {
-						goto free_detail;
-					}
-				}
-			}
-			continue;
-		}
-
-		if (strchr (delim, *p)) {
-			if (is_delimed) {
-				continue;
-			}
-			if (lbs_strv_append_str_empty (strv) < 0) {
-				goto free_detail;
-			}
-			if (detail != NULL && lbs_array_push_back (detail, &(int){-1}) < 0) {
-				goto free_detail;
-			}
-			stri++;
-			is_delimed = true;
-			continue;
-		}
-		if (strchr (esc, *p)) {
-			is_escaped = true;
-			continue;
-		}
-
-		is_delimed = false;
-
-		for (int i = 0; i < qlen; i++) {
-			if (strncmp (p, q[i].left, qllen[i]) == 0) {
-				is_quoted = true;
-				ignore_esc = q[i].super;
-				qi = i;
-				p += qllen[qi]; // p++ will be skipped, so do not minus 1 here
-				if (detail != NULL) {
-					lbs_array_v (detail, int, stri) = qi;
-				}
-				goto loop_start; // restart the loop
-			}
-		}
-
-		if (lbs_strv_append_char (strv, stri, *p) < 0) {
-			goto free_detail;
-		}
-	}
-
-	if (is_delimed && lbs_strv_get_str_len (strv, stri) == 0) {
-		lbs_strv_remove_str (strv);
-		lbs_array_pop_back (detail);
-	}
-
-	if (detail_ptr != NULL) {
-		*detail_ptr = detail;
-	}
+        if (is_escaped) {
+            if (lbs_strv_append_char (strv, stri, *p) < 0) {
+                goto free_detail;
+            }
+            is_escaped = false;
+            continue;
+        }
+
+        if (is_quoted) {
+            if (strncmp (p, q[qi].right, qrlen[qi]) == 0) {
+                is_quoted = false;
+                is_escaped = false;
+                ignore_esc = false;
+                p += qrlen[qi] - 1;
+            } else {
+                if (!ignore_esc && strchr (esc, *p)) {
+                    is_escaped = true;
+                } else {
+                    if (lbs_strv_append_char (strv, stri, *p) < 0) {
+                        goto free_detail;
+                    }
+                }
+            }
+            continue;
+        }
+
+        if (strchr (delim, *p)) {
+            if (is_delimed) {
+                continue;
+            }
+            if (lbs_strv_append_str_empty (strv) < 0) {
+                goto free_detail;
+            }
+            if (detail != NULL && lbs_array_push_back (detail, &(int){-1}) < 0) {
+                goto free_detail;
+            }
+            stri++;
+            is_delimed = true;
+            continue;
+        }
+        if (strchr (esc, *p)) {
+            is_escaped = true;
+            continue;
+        }
+
+        is_delimed = false;
+
+        for (int i = 0; i < qlen; i++) {
+            if (strncmp (p, q[i].left, qllen[i]) == 0) {
+                is_quoted = true;
+                ignore_esc = q[i].super;
+                qi = i;
+                p += qllen[qi]; // p++ will be skipped, so do not minus 1 here
+                if (detail != NULL) {
+                    lbs_array_v (detail, int, stri) = qi;
+                }
+                goto loop_start; // restart the loop
+            }
+        }
+
+        if (lbs_strv_append_char (strv, stri, *p) < 0) {
+            goto free_detail;
+        }
+    }
+
+    if (is_delimed && lbs_strv_get_str_len (strv, stri) == 0) {
+        lbs_strv_remove_str (strv);
+        lbs_array_pop_back (detail);
+    }
+
+    if (detail_ptr != NULL) {
+        *detail_ptr = detail;
+    }
 
 #if __STDC_NO_VLA__
-	free (qllen);
-	free (qrlen);
+    free (qllen);
+    free (qrlen);
 #endif
-	return strv;
+    return strv;
 
 
-	/* Error-handling goto label */
+    /* Error-handling goto label */
 
 free_detail:
-	if (detail != NULL) {
-		lbs_array_unref (detail);
-	}
+    if (detail != NULL) {
+        lbs_array_unref (detail);
+    }
 
 free_strv:
 #if __STDC_NO_VLA__
-	free (qllen);
-	free (qrlen);
+    free (qllen);
+    free (qrlen);
 #endif
-	lbs_strv_unref (strv);
-	return NULL;
+    lbs_strv_unref (strv);
+    return NULL;
 }
 
 
 LbsArgQopt* lbs_arg_qopt_new (const char* str) {
-	LbsStrv* strv;
-	LbsArray* detail;
-
-	strv = lbs_arg_parse (str, ",", "\\", (LbsArgQuote[]) {
-		{ "\"", "\"", false }, { "\'", "\'", true }, { NULL, NULL, false}},
-		&detail);
-
-	if (strv == NULL || detail == NULL) {
-		return NULL;
-	}
-	/* goto label => free_detail_and_strv */
-
-	size_t strv_len = lbs_strv_get_len (strv);
-	LbsArgQopt* qopt = malloc (sizeof (LbsArgQopt) +
-		sizeof (LbsArgQoptItem) * (strv_len + 1));
-	if (qopt == NULL) {
-		goto free_detail_and_strv;
-	}
-
-	qopt->len = strv_len;
-	qopt->strv = NULL;
-	qopt->detail = NULL;
-	qopt->opts[strv_len] = (LbsArgQoptItem) { NULL, NULL };
-
-	for (size_t i = 0; i < strv_len; i++) {
-		qopt->opts[i].name = lbs_strv_dup_str (strv, i);
-		if (qopt->opts[i].name == NULL) {
-			goto free_qopt;
-		}
-
-		char* pos = strchr (qopt->opts[i].name, '=');
-		if (pos == NULL) {
-			qopt->opts[i].value = NULL;
-		} else {
-			*pos = '\0';
-			qopt->opts[i].value = pos + 1;
-		}
-
-	}
-
-	qopt->strv = strv;
-	qopt->detail = detail;
-	return qopt;
+    LbsStrv* strv;
+    LbsArray* detail;
+
+    strv = lbs_arg_parse (str, ",", "\\", (LbsArgQuote[]) {
+        { "\"", "\"", false }, { "\'", "\'", true }, { NULL, NULL, false}},
+        &detail);
+
+    if (strv == NULL || detail == NULL) {
+        return NULL;
+    }
+    /* goto label => free_detail_and_strv */
+
+    size_t strv_len = lbs_strv_get_len (strv);
+    LbsArgQopt* qopt = malloc (sizeof (LbsArgQopt) +
+        sizeof (LbsArgQoptItem) * (strv_len + 1));
+    if (qopt == NULL) {
+        goto free_detail_and_strv;
+    }
+
+    qopt->len = strv_len;
+    qopt->strv = NULL;
+    qopt->detail = NULL;
+    qopt->opts[strv_len] = (LbsArgQoptItem) { NULL, NULL };
+
+    for (size_t i = 0; i < strv_len; i++) {
+        qopt->opts[i].name = lbs_strv_dup_str (strv, i);
+        if (qopt->opts[i].name == NULL) {
+            goto free_qopt;
+        }
+
+        char* pos = strchr (qopt->opts[i].name, '=');
+        if (pos == NULL) {
+            qopt->opts[i].value = NULL;
+        } else {
+            *pos = '\0';
+            qopt->opts[i].value = pos + 1;
+        }
+
+    }
+
+    qopt->strv = strv;
+    qopt->detail = detail;
+    return qopt;
 
 free_qopt:
-	lbs_arg_qopt_free (qopt);
+    lbs_arg_qopt_free (qopt);
 
 free_detail_and_strv:
-	lbs_strv_unref (strv);
-	lbs_array_unref (detail);
-	return NULL;
+    lbs_strv_unref (strv);
+    lbs_array_unref (detail);
+    return NULL;
 }
 
 void lbs_arg_qopt_free_generic (void* qopt_generic) {
-	if (qopt_generic == NULL) {
-		return;
-	}
+    if (qopt_generic == NULL) {
+        return;
+    }
 
-	LbsArgQopt* qopt = qopt_generic;
-	lbs_strv_unref (qopt->strv);
-	lbs_array_unref (qopt->detail);
+    LbsArgQopt* qopt = qopt_generic;
+    lbs_strv_unref (qopt->strv);
+    lbs_array_unref (qopt->detail);
 
-	for (int i = 0; qopt->opts[i].name != NULL; i++) {
-		free (qopt->opts[i].name);
-	}
+    for (int i = 0; qopt->opts[i].name != NULL; i++) {
+        free (qopt->opts[i].name);
+    }
 
-	free (qopt);
+    free (qopt);
 }