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(un)likely: use __builtin_expect to inform expected path

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Remove also unnecessary comparison in getdata nth_field().

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2012-11-11 23:29:07 +00:00
parent 6f179db03d
commit acba2e265e
4 changed files with 25 additions and 3 deletions
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4
src/getdata.c
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@ -175,7 +175,7 @@ void nth_field(char *restrict dest, const char *restrict src)
len = strlen(src);
for (i = 0; i < len; i++) {
dest[i] = src[i];
if (src[i] == ' ' || dest[i] == '\0') {
if (unlikely(src[i] == ' ')) {
dest[i] = '\0';
break;
}
@ -233,7 +233,7 @@ void parse_config(int is_include, const char *restrict config_file,
#endif /* POSIX_FADV_SEQUENTIAL */
/* Very hairy stuff begins. */
while (!feof(dhcpd_config)) {
while (unlikely(!feof(dhcpd_config))) {
c = fgetc(dhcpd_config);
/* Certain characters are magical */
switch (c) {