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author | Explorer09 <explorer09@gmail.com> | 2017-07-08 20:21:37 +0800 |
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committer | Will Estes <westes575@gmail.com> | 2017-07-15 18:31:41 -0400 |
commit | e784a805ef8f33ab4de544eee1876f41d2bd9dbc (patch) | |
tree | 25ce5f4a583a8d45111e854756ca200d92d71d7e /src/filter.c | |
parent | 0f370436e1cf0c731e74bcee806df6c7a43a3094 (diff) |
filter: faster is_blank_line implementation
Using regex_t regex_blank_line is *slow*.
Diffstat (limited to 'src/filter.c')
-rw-r--r-- | src/filter.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/filter.c b/src/filter.c index fd1bb40..ccdcdd6 100644 --- a/src/filter.c +++ b/src/filter.c @@ -326,7 +326,9 @@ int filter_tee_header (struct filter *chain) static bool is_blank_line (const char *str) { - return (regexec (®ex_blank_line, str, 0, NULL, 0) == 0); + while (isspace(*str)) + str++; + return (*str == '\0'); } /** Adjust the line numbers in the #line directives of the generated scanner. |