Common: Readline: Ignore newline on '\' escaped line ends.

Escape line return when reading from a file with the '\' character.
Similar to shell scripts.

Signed-off-by: Roosembert Palacios <roosembert.palacios@epfl.ch>

1 files changed, 7 insertions, 0 deletions

diff --git a/common/readline.c b/common/readline.c
index 76ed6926..5106172c 100644
--- a/common/readline.c
+++ b/common/readline.c
@@ -5,17 +5,24 @@
 char *read_line(FILE *file) {
         size_t length = 0, size = 128;
         char *string = malloc(size);
+        char lastChar = '\0';
         if (!string) {
                 return NULL;
         }
         while (1) {
                 int c = getc(file);
+                if (c == '\n' && lastChar == '\\'){
+                        --length; // Ignore last character.
+                        lastChar = '\0';
+                        continue;
+                }
                 if (c == EOF || c == '\n' || c == '\0') {
                         break;
                 }
                 if (c == '\r') {
                         continue;
                 }
+                lastChar = c;
                 if (length == size) {
                         char *new_string = realloc(string, size *= 2);
                         if (!new_string) {