uudecode: tolerate text input with CR+LF line ends

function                                             old     new   delta
read_stduu                                           265     308     +43
uudecode_main                                        313     317      +4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/coreutils/uudecode.c b/coreutils/uudecode.c
index 7aa5c67f2..37b254d30 100644
--- a/coreutils/uudecode.c
+++ b/coreutils/uudecode.c
@@ -29,9 +29,19 @@ static void FAST_FUNC read_stduu(FILE *src_stream, FILE *dst_stream, int flags U
 {
         char *line;
 
-        while ((line = xmalloc_fgetline(src_stream)) != NULL) {
+        for (;;) {
                 int encoded_len, str_len;
                 char *line_ptr, *dst;
+                size_t line_len;
+
+                line_len = 64 * 1024;
+                line = xmalloc_fgets_str_len(src_stream, "\n", &line_len);
+                if (!line)
+                        break;
+                /* Handle both Unix and MSDOS text, and stray trailing spaces */
+                str_len = line_len;
+                while (--str_len >= 0 && isspace(line[str_len]))
+                        line[str_len] = '\0';
 
                 if (strcmp(line, "end") == 0) {
                         return; /* the only non-error exit */
@@ -128,6 +138,7 @@ int uudecode_main(int argc UNUSED_PARAM, char **argv)
                         if (!outname)
                                 break;
                         outname++;
+                        trim(outname); /* remove trailing space (and '\r' for DOS text) */
                         if (!outname[0])
                                 break;
                 }