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parse-opts: prepare for OPT_FILENAME

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To give OPT_FILENAME the prefix, we pass the prefix to parse_options()
which passes the prefix to parse_options_start() which sets the prefix
member of parse_opts_ctx accordingly. If there isn't a prefix in the
calling context, passing NULL will suffice.

Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stephen Boyd
2009-05-23 11:53:12 -07:00
committed by Junio C Hamano
parent 3d09e64ac1
commit 3778292017
51 changed files with 86 additions and 64 deletions
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11
parse-options.c
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@ -285,12 +285,14 @@ static void check_typos(const char *arg, const struct option *options)
}
void parse_options_start(struct parse_opt_ctx_t *ctx,
int argc, const char **argv, int flags)
int argc, const char **argv, const char *prefix,
int flags)
{
memset(ctx, 0, sizeof(*ctx));
ctx->argc = argc - 1;
ctx->argv = argv + 1;
ctx->out = argv;
ctx->prefix = prefix;
ctx->cpidx = ((flags & PARSE_OPT_KEEP_ARGV0) != 0);
ctx->flags = flags;
if ((flags & PARSE_OPT_KEEP_UNKNOWN) &&
@ -389,12 +391,13 @@ int parse_options_end(struct parse_opt_ctx_t *ctx)
return ctx->cpidx + ctx->argc;
}
int parse_options(int argc, const char **argv, const struct option *options,
const char * const usagestr[], int flags)
int parse_options(int argc, const char **argv, const char *prefix,
const struct option *options, const char * const usagestr[],
int flags)
{
struct parse_opt_ctx_t ctx;
parse_options_start(&ctx, argc, argv, flags);
parse_options_start(&ctx, argc, argv, prefix, flags);
switch (parse_options_step(&ctx, options, usagestr)) {
case PARSE_OPT_HELP:
exit(129);