diff options
Diffstat (limited to 'gcc/cpplib.c')
| -rw-r--r-- | gcc/cpplib.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c index 324c7b21c4d..ea1d9f86860 100644 --- a/gcc/cpplib.c +++ b/gcc/cpplib.c @@ -1158,7 +1158,7 @@ destringize_and_run (pfile, in) const unsigned char *src, *limit; char *dest, *result; - dest = result = alloca (in->len); + dest = result = alloca (in->len + 1); for (src = in->text, limit = src + in->len; src < limit;) { /* We know there is a character following the backslash. */ @@ -1166,6 +1166,7 @@ destringize_and_run (pfile, in) src++; *dest++ = *src++; } + *dest = '\0'; run_directive (pfile, T_PRAGMA, result, dest - result); } @@ -1647,9 +1648,8 @@ cpp_define (pfile, str) Change the first "=" in the string to a space. If there is none, tack " 1" on the end. */ - /* Length including the null. */ count = strlen (str); - buf = (char *) alloca (count + 2); + buf = (char *) alloca (count + 3); memcpy (buf, str, count); p = strchr (str, '='); @@ -1660,6 +1660,7 @@ cpp_define (pfile, str) buf[count++] = ' '; buf[count++] = '1'; } + buf[count] = '\0'; run_directive (pfile, T_DEFINE, buf, count); } @@ -1714,11 +1715,12 @@ handle_assertion (pfile, str, type) { /* Copy the entire option so we can modify it. Change the first "=" in the string to a '(', and tack a ')' on the end. */ - char *buf = (char *) alloca (count + 1); + char *buf = (char *) alloca (count + 2); memcpy (buf, str, count); buf[p - str] = '('; buf[count++] = ')'; + buf[count] = '\0'; str = buf; } |