diff options
Diffstat (limited to 'src/inp.c')
| -rw-r--r-- | src/inp.c | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -46,6 +46,7 @@ static bool plan_a (char const *); /* yield false if memory runs out */ static void plan_b (char const *); static void report_revision (bool); static void too_many_lines (char const *) __attribute__((noreturn)); +static void lines_too_long (char const *) __attribute__((noreturn)); /* New patch--prepare to edit another file. */ @@ -128,6 +129,11 @@ too_many_lines (char const *filename) fatal ("File %s has too many lines", quotearg (filename)); } +static void +lines_too_long (char const *filename) +{ + fatal ("Lines in file %s are too long", quotearg (filename)); +} bool get_input_file (char const *filename, char const *outname, mode_t file_type) @@ -367,7 +373,8 @@ plan_b (char const *filename) while ((c = getc (ifp)) != EOF) { - len++; + if (++len > ((size_t) -1) / 2) + lines_too_long (filename); if (c == '\n') { |