From e5bb08cc185a28d3e96bfddc7e9a0d837f89b2b8 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Thu, 28 Jan 2016 07:56:46 -0500
Subject: Print /proc/<pid>/maps on segfault

---
 common/readline.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'common/readline.c')

diff --git a/common/readline.c b/common/readline.c
index e75b183f..76ed6926 100644
--- a/common/readline.c
+++ b/common/readline.c
@@ -3,7 +3,7 @@
 #include <stdio.h>
 
 char *read_line(FILE *file) {
-	int length = 0, size = 128;
+	size_t length = 0, size = 128;
 	char *string = malloc(size);
 	if (!string) {
 		return NULL;
@@ -37,3 +37,28 @@ char *read_line(FILE *file) {
 	string[length] = '\0';
 	return string;
 }
+
+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;
+}
-- 
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