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path: root/src/driver/sfrt_driver_ctx.c
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Diffstat (limited to 'src/driver/sfrt_driver_ctx.c')
-rw-r--r--src/driver/sfrt_driver_ctx.c70
1 files changed, 63 insertions, 7 deletions
diff --git a/src/driver/sfrt_driver_ctx.c b/src/driver/sfrt_driver_ctx.c
index fc3ea3a..44cfe82 100644
--- a/src/driver/sfrt_driver_ctx.c
+++ b/src/driver/sfrt_driver_ctx.c
@@ -41,6 +41,7 @@ static uint32_t sfrt_argv_flags(uint32_t flags)
}
static int sfrt_driver_usage(
+ int fdout,
const char * program,
const char * arg,
const struct argv_option ** optv,
@@ -52,7 +53,7 @@ static int sfrt_driver_usage(
"Usage: %s [options] <file>...\n" "Options:\n",
program);
- argv_usage(STDOUT_FILENO,header,optv,arg);
+ argv_usage(fdout,header,optv,arg);
argv_free(meta);
return SFRT_USAGE;
@@ -60,6 +61,7 @@ static int sfrt_driver_usage(
static struct sfrt_driver_ctx_impl * sfrt_driver_ctx_alloc(
struct argv_meta * meta,
+ const struct sfrt_fd_ctx * fdctx,
const struct sfrt_common_ctx * cctx,
size_t nunits)
{
@@ -75,8 +77,8 @@ static struct sfrt_driver_ctx_impl * sfrt_driver_ctx_alloc(
if (!(ictx = calloc(1,size)))
return 0;
- if (cctx)
- memcpy(&ictx->ctx.cctx,cctx,sizeof(*cctx));
+ memcpy(&ictx->ctx.fdctx,fdctx,sizeof(*fdctx));
+ memcpy(&ictx->ctx.cctx,cctx,sizeof(*cctx));
for (entry=meta->entries,units=ictx->units; entry->fopt || entry->arg; entry++)
if (!entry->fopt)
@@ -103,6 +105,7 @@ int sfrt_get_driver_ctx(
char ** argv,
char ** envp,
uint32_t flags,
+ const struct sfrt_fd_ctx * fdctx,
struct sfrt_driver_ctx ** pctx)
{
struct sfrt_driver_ctx_impl * ctx;
@@ -115,12 +118,23 @@ int sfrt_get_driver_ctx(
(void)envp;
+ if (!fdctx) {
+ fdctx = &(const struct sfrt_fd_ctx) {
+ .fdin = STDIN_FILENO,
+ .fdout = STDOUT_FILENO,
+ .fderr = STDERR_FILENO,
+ .fdlog = (-1),
+ .fdcwd = AT_FDCWD,
+ .fddst = AT_FDCWD,
+ };
+ }
+
argv_optv_init(sfrt_default_options,optv);
if (!(meta = argv_get(
argv,optv,
sfrt_argv_flags(flags),
- STDERR_FILENO)))
+ fdctx->fderr)))
return -1;
nunits = 0;
@@ -129,7 +143,10 @@ int sfrt_get_driver_ctx(
cctx.drvflags = flags;
if (!argv[1] && (flags & SFRT_DRIVER_VERBOSITY_USAGE))
- return sfrt_driver_usage(program,0,optv,meta);
+ return sfrt_driver_usage(
+ fdctx->fderr,
+ program,0,
+ optv,meta);
/* get options, count units */
for (entry=meta->entries; entry->fopt || entry->arg; entry++) {
@@ -137,7 +154,10 @@ int sfrt_get_driver_ctx(
switch (entry->tag) {
case TAG_HELP:
if (flags & SFRT_DRIVER_VERBOSITY_USAGE)
- return sfrt_driver_usage(program,entry->arg,optv,meta);
+ return sfrt_driver_usage(
+ fdctx->fderr,
+ program,entry->arg,
+ optv,meta);
case TAG_VERSION:
cctx.drvflags |= SFRT_DRIVER_VERSION;
@@ -158,7 +178,7 @@ int sfrt_get_driver_ctx(
nunits++;
}
- if (!(ctx = sfrt_driver_ctx_alloc(meta,&cctx,nunits)))
+ if (!(ctx = sfrt_driver_ctx_alloc(meta,fdctx,&cctx,nunits)))
return sfrt_get_driver_ctx_fail(meta);
ctx->ctx.program = program;
@@ -191,3 +211,39 @@ const struct sfrt_source_version * sfrt_source_version(void)
{
return &sfrt_src_version;
}
+
+int sfrt_get_driver_fdctx(
+ const struct sfrt_driver_ctx * dctx,
+ struct sfrt_fd_ctx * fdctx)
+{
+ struct sfrt_driver_ctx_impl * ictx;
+
+ ictx = sfrt_get_driver_ictx(dctx);
+
+ fdctx->fdin = ictx->fdctx.fdin;
+ fdctx->fdout = ictx->fdctx.fdout;
+ fdctx->fderr = ictx->fdctx.fderr;
+ fdctx->fdlog = ictx->fdctx.fdlog;
+ fdctx->fdcwd = ictx->fdctx.fdcwd;
+ fdctx->fddst = ictx->fdctx.fddst;
+
+ return 0;
+}
+
+int sfrt_set_driver_fdctx(
+ struct sfrt_driver_ctx * dctx,
+ const struct sfrt_fd_ctx * fdctx)
+{
+ struct sfrt_driver_ctx_impl * ictx;
+
+ ictx = sfrt_get_driver_ictx(dctx);
+
+ ictx->fdctx.fdin = fdctx->fdin;
+ ictx->fdctx.fdout = fdctx->fdout;
+ ictx->fdctx.fderr = fdctx->fderr;
+ ictx->fdctx.fdlog = fdctx->fdlog;
+ ictx->fdctx.fdcwd = fdctx->fdcwd;
+ ictx->fdctx.fddst = fdctx->fddst;
+
+ return 0;
+}