diff options
Diffstat (limited to 'src/driver/sfrt_driver_ctx.c')
-rw-r--r-- | src/driver/sfrt_driver_ctx.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/src/driver/sfrt_driver_ctx.c b/src/driver/sfrt_driver_ctx.c deleted file mode 100644 index 643de8d..0000000 --- a/src/driver/sfrt_driver_ctx.c +++ /dev/null @@ -1,249 +0,0 @@ -#include <stdint.h> -#include <unistd.h> -#include <fcntl.h> - -#define ARGV_DRIVER - -#include <sofort/sofort.h> -#include "sofort_version.h" -#include "sofort_driver_impl.h" -#include "argv/argv.h" - -/* package info */ -static const struct sfrt_source_version sfrt_src_version = { - SFRT_TAG_VER_MAJOR, - SFRT_TAG_VER_MINOR, - SFRT_TAG_VER_PATCH, - SOFORT_GIT_VERSION -}; - -struct sfrt_driver_ctx_alloc { - struct argv_meta * meta; - struct sfrt_driver_ctx_impl ctx; - uint64_t guard; - const char * units[]; -}; - -static uint32_t sfrt_argv_flags(uint32_t flags) -{ - uint32_t ret = ARGV_CLONE_VECTOR; - - if (flags & SFRT_DRIVER_VERBOSITY_NONE) - ret |= ARGV_VERBOSITY_NONE; - - if (flags & SFRT_DRIVER_VERBOSITY_ERRORS) - ret |= ARGV_VERBOSITY_ERRORS; - - if (flags & SFRT_DRIVER_VERBOSITY_STATUS) - ret |= ARGV_VERBOSITY_STATUS; - - return ret; -} - -static int sfrt_driver_usage( - int fdout, - const char * program, - const char * arg, - const struct argv_option ** optv, - struct argv_meta * meta) -{ - char header[512]; - - snprintf(header,sizeof(header), - "Usage: %s [options] <file>...\n" "Options:\n", - program); - - argv_usage(fdout,header,optv,arg); - argv_free(meta); - - return SFRT_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) -{ - struct sfrt_driver_ctx_alloc * ictx; - size_t size; - struct argv_entry * entry; - const char ** units; - int elements; - - size = sizeof(struct sfrt_driver_ctx_alloc); - size += (nunits+1)*sizeof(const char *); - - if (!(ictx = calloc(1,size))) - return 0; - - 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) - *units++ = entry->arg; - - elements = sizeof(ictx->ctx.erribuf) / sizeof(*ictx->ctx.erribuf); - - ictx->ctx.errinfp = &ictx->ctx.erriptr[0]; - ictx->ctx.erricap = &ictx->ctx.erriptr[--elements]; - - ictx->meta = meta; - ictx->ctx.ctx.units = ictx->units; - ictx->ctx.ctx.errv = ictx->ctx.errinfp; - return &ictx->ctx; -} - -static int sfrt_get_driver_ctx_fail(struct argv_meta * meta) -{ - argv_free(meta); - return -1; -} - -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; - struct sfrt_common_ctx cctx; - const struct argv_option * optv[SFRT_OPTV_ELEMENTS]; - struct argv_meta * meta; - struct argv_entry * entry; - size_t nunits; - const char * program; - - (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), - fdctx->fderr))) - return -1; - - nunits = 0; - program = argv_program_name(argv[0]); - memset(&cctx,0,sizeof(cctx)); - cctx.drvflags = flags; - - if (!argv[1] && (flags & SFRT_DRIVER_VERBOSITY_USAGE)) - return sfrt_driver_usage( - fdctx->fderr, - program,0, - optv,meta); - - /* get options, count units */ - for (entry=meta->entries; entry->fopt || entry->arg; entry++) { - if (entry->fopt) { - switch (entry->tag) { - case TAG_HELP: - if (flags & SFRT_DRIVER_VERBOSITY_USAGE) - return sfrt_driver_usage( - fdctx->fderr, - program,entry->arg, - optv,meta); - - case TAG_VERSION: - cctx.drvflags |= SFRT_DRIVER_VERSION; - break; -/* dummy */ -/* dummy */ case TAG_OUTPUT_DUMMY: -/* dummy */ cctx.anystring = entry->arg; -/* dummy */ break; -/* dummy */ -/* dummy */ case TAG_OUTPUT_PROPERTY: -/* dummy */ if (!(strcmp(entry->arg,"name"))) -/* dummy */ cctx.actflags |= SFRT_OUTPUT_NAME; -/* dummy */ else if (!(strcmp(entry->arg,"address"))) -/* dummy */ cctx.actflags |= SFRT_OUTPUT_ADDRESS; -/* dummy */ break; - } - } else - nunits++; - } - - if (!(ctx = sfrt_driver_ctx_alloc(meta,fdctx,&cctx,nunits))) - return sfrt_get_driver_ctx_fail(meta); - - ctx->ctx.program = program; - ctx->ctx.cctx = &ctx->cctx; - - *pctx = &ctx->ctx; - return SFRT_OK; -} - -static void sfrt_free_driver_ctx_impl(struct sfrt_driver_ctx_alloc * ictx) -{ - argv_free(ictx->meta); - free(ictx); -} - -void sfrt_free_driver_ctx(struct sfrt_driver_ctx * ctx) -{ - struct sfrt_driver_ctx_alloc * ictx; - uintptr_t addr; - - if (ctx) { - addr = (uintptr_t)ctx - offsetof(struct sfrt_driver_ctx_impl,ctx); - addr = addr - offsetof(struct sfrt_driver_ctx_alloc,ctx); - ictx = (struct sfrt_driver_ctx_alloc *)addr; - sfrt_free_driver_ctx_impl(ictx); - } -} - -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; -} |