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author | Jani Nikula <jani.nikula@intel.com> | 2016-05-12 16:15:41 +0300 |
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committer | Jonathan Corbet <corbet@lwn.net> | 2016-05-14 09:56:45 -0600 |
commit | a48dc45e9c02ebaebc79de5b3fec8e4f59a9fe9f (patch) | |
tree | 22de7253dbd8ecd33ff08f5ff8c4e34bf5d37313 /scripts/docproc.c | |
parent | 868fb19212ca5bdbfa765a97a4bf6d2439b89056 (diff) | |
download | linux-a48dc45e9c02ebaebc79de5b3fec8e4f59a9fe9f.tar.gz linux-a48dc45e9c02ebaebc79de5b3fec8e4f59a9fe9f.tar.bz2 linux-a48dc45e9c02ebaebc79de5b3fec8e4f59a9fe9f.zip |
docproc: abstract docproc directive detection
Helps follow-up work. No functional changes.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'scripts/docproc.c')
-rw-r--r-- | scripts/docproc.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/scripts/docproc.c b/scripts/docproc.c index fb195f0ed0ef..bc900310b431 100644 --- a/scripts/docproc.c +++ b/scripts/docproc.c @@ -430,6 +430,15 @@ static void find_all_symbols(char *filename) } } +/* Return pointer to directive content, or NULL if not a directive. */ +static char *is_directive(char *line) +{ + if (line[0] == '!') + return line + 1; + + return NULL; +} + /* * Parse file, calling action specific functions for: * 1) Lines containing !E @@ -443,29 +452,30 @@ static void find_all_symbols(char *filename) static void parse_file(FILE *infile) { char line[MAXLINESZ]; - char * s; + char *p, *s; while (fgets(line, MAXLINESZ, infile)) { - if (line[0] != '!') { + p = is_directive(line); + if (!p) { defaultline(line); continue; } - s = line + 2; - switch (line[1]) { + s = p + 1; + switch (*p++) { case 'E': while (*s && !isspace(*s)) s++; *s = '\0'; - externalfunctions(line+2); + externalfunctions(p); break; case 'I': while (*s && !isspace(*s)) s++; *s = '\0'; - internalfunctions(line+2); + internalfunctions(p); break; case 'D': while (*s && !isspace(*s)) s++; *s = '\0'; - symbolsonly(line+2); + symbolsonly(p); break; case 'F': /* filename */ @@ -474,7 +484,7 @@ static void parse_file(FILE *infile) /* function names */ while (isspace(*s)) s++; - singlefunctions(line +2, s); + singlefunctions(p, s); break; case 'P': /* filename */ @@ -483,13 +493,13 @@ static void parse_file(FILE *infile) /* DOC: section name */ while (isspace(*s)) s++; - docsection(line + 2, s); + docsection(p, s); break; case 'C': while (*s && !isspace(*s)) s++; *s = '\0'; if (findall) - findall(line+2); + findall(p); break; default: defaultline(line); |