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| author | Ilya Tocar <ilya.tocar@intel.com> | 2014-11-25 13:56:03 +0000 |
|---|---|---|
| committer | Ilya Tocar <tocarip@gcc.gnu.org> | 2014-11-25 16:56:03 +0300 |
| commit | 191ec64036b11c0b56aa0d2a387e936286103d2e (patch) | |
| tree | 9ecd455af2d5a192d1d2e62f558b237a9f88e62d /gcc/gcc.c | |
| parent | a959b33fc4a5b4dffc55d5c7f105dc1096a75b42 (diff) | |
| download | gcc-191ec64036b11c0b56aa0d2a387e936286103d2e.tar.gz | |
Remove unnecessary calls to strchr.
gcc/
* gcc.c (handle_foffload_option): Remove unnecessary calls to strchr,
strlen, strncpy.
* lto-wrapper.c (append_offload_options): Likewise.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r218044
Diffstat (limited to 'gcc/gcc.c')
| -rw-r--r-- | gcc/gcc.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c index c6d1baf58df..b730ba53d7e 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -3384,11 +3384,11 @@ handle_foffload_option (const char *arg) { next = strchr (cur, ','); if (next == NULL) - next = strchr (cur, '\0'); + next = end; next = (next > end) ? end : next; target = XNEWVEC (char, next - cur + 1); - strncpy (target, cur, next - cur); + memcpy (target, cur, next - cur); target[next - cur] = '\0'; /* If 'disable' is passed to the option, stop parsing the option and clean @@ -3408,8 +3408,7 @@ handle_foffload_option (const char *arg) if (n == NULL) n = strchr (c, '\0'); - if (strlen (target) == (size_t) (n - c) - && strncmp (target, c, n - c) == 0) + if (next - cur == n - c && strncmp (target, c, n - c) == 0) break; c = *n ? n + 1 : NULL; @@ -3420,7 +3419,10 @@ handle_foffload_option (const char *arg) target); if (!offload_targets) - offload_targets = xstrdup (target); + { + offload_targets = target; + target = NULL; + } else { /* Check that the target hasn't already presented in the list. */ @@ -3431,8 +3433,7 @@ handle_foffload_option (const char *arg) if (n == NULL) n = strchr (c, '\0'); - if (strlen (target) == (size_t) (n - c) - && strncmp (c, target, n - c) == 0) + if (next - cur == n - c && strncmp (c, target, n - c) == 0) break; c = n + 1; @@ -3442,12 +3443,13 @@ handle_foffload_option (const char *arg) /* If duplicate is not found, append the target to the list. */ if (c > n) { + size_t offload_targets_len = strlen (offload_targets); offload_targets = XRESIZEVEC (char, offload_targets, - strlen (offload_targets) + strlen (target) + 2); - if (strlen (offload_targets) != 0) - strcat (offload_targets, ":"); - strcat (offload_targets, target); + offload_targets_len + next - cur + 2); + if (offload_targets_len) + offload_targets[offload_targets_len++] = ':'; + memcpy (offload_targets + offload_targets_len, target, next - cur); } } |