2017-03-30 Bernd Edlinger <bernd.edlinger@hotmail.de>
* gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
(make_gcov_file_name): Use the canonical path name for generating
the MD5 value.
(read_line): Fix handling of files with ascii null bytes.
===================================================================
@@ -2167,7 +2167,7 @@ static void
md5sum_to_hex (const char *sum, char *buffer)
{
for (unsigned i = 0; i < 16; i++)
- sprintf (buffer + (2 * i), "%02x", sum[i]);
+ sprintf (buffer + (2 * i), "%02x", (unsigned char)sum[i]);
}
/* Generate an output file name. INPUT_NAME is the canonicalized main
@@ -2216,7 +2216,7 @@ make_gcov_file_name (const char *input_name, const
char md5sum_hex[33];
md5_init_ctx (&ctx);
- md5_process_bytes (result, strlen (result), &ctx);
+ md5_process_bytes (src_name, strlen (src_name), &ctx);
md5_finish_ctx (&ctx, md5sum);
md5sum_to_hex (md5sum, md5sum_hex);
free (result);
@@ -2512,14 +2512,17 @@ read_line (FILE *file)
{
size_t len = strlen (string + pos);
- if (string[pos + len - 1] == '\n')
+ if (len && string[pos + len - 1] == '\n')
{
string[pos + len - 1] = 0;
return string;
}
pos += len;
- string = XRESIZEVEC (char, string, string_len * 2);
- string_len *= 2;
+ if (pos > string_len / 2)
+ {
+ string_len *= 2;
+ string = XRESIZEVEC (char, string, string_len);
+ }
}
return pos ? string : NULL;