diff options
| -rw-r--r-- | include/slibtool/slibtool.h | 1 | ||||
| -rw-r--r-- | project/common.mk | 1 | ||||
| -rw-r--r-- | src/logic/slbt_exec_execute.c | 82 |
3 files changed, 84 insertions, 0 deletions
diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h index f03155a..e02e6dc 100644 --- a/include/slibtool/slibtool.h +++ b/include/slibtool/slibtool.h @@ -239,6 +239,7 @@ slbt_api void slbt_reset_placeholders (struct slbt_exec_ctx *); slbt_api void slbt_disable_placeholders (struct slbt_exec_ctx *); slbt_api int slbt_exec_compile (const struct slbt_driver_ctx *, struct slbt_exec_ctx *); +slbt_api int slbt_exec_execute (const struct slbt_driver_ctx *, struct slbt_exec_ctx *); slbt_api int slbt_exec_install (const struct slbt_driver_ctx *, struct slbt_exec_ctx *); slbt_api int slbt_exec_link (const struct slbt_driver_ctx *, struct slbt_exec_ctx *); diff --git a/project/common.mk b/project/common.mk index 4bcbc5f..f55726a 100644 --- a/project/common.mk +++ b/project/common.mk @@ -7,6 +7,7 @@ COMMON_SRCS = \ src/helper/slbt_dump_machine.c \ src/logic/slbt_exec_compile.c \ src/logic/slbt_exec_ctx.c \ + src/logic/slbt_exec_execute.c \ src/logic/slbt_exec_install.c \ src/logic/slbt_exec_link.c \ src/logic/slbt_map_input.c \ diff --git a/src/logic/slbt_exec_execute.c b/src/logic/slbt_exec_execute.c new file mode 100644 index 0000000..04fec87 --- /dev/null +++ b/src/logic/slbt_exec_execute.c @@ -0,0 +1,82 @@ +/*******************************************************************/ +/* slibtool: a skinny libtool implementation, written in C */ +/* Copyright (C) 2016 Z. Gilboa */ +/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */ +/*******************************************************************/ + +#include <string.h> +#include <stdbool.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/stat.h> + +#include <slibtool/slibtool.h> +#include "slibtool_spawn_impl.h" + +int slbt_exec_execute( + const struct slbt_driver_ctx * dctx, + struct slbt_exec_ctx * ectx) +{ + int ret; + char ** parg; + char * program; + char * script; + char * base; + char * mark; + char exeref [PATH_MAX]; + char wrapper[PATH_MAX]; + struct slbt_exec_ctx * actx = 0; + + /* context */ + if (ectx) + slbt_disable_placeholders(ectx); + else if ((ret = slbt_get_exec_ctx(dctx,&ectx))) + return ret; + else { + actx = ectx; + slbt_disable_placeholders(ectx); + } + + /* script, program */ + program = ectx->cargv[0]; + script = ectx->cargv[1]; + + /* wrapper */ + if ((size_t)snprintf(wrapper,sizeof(wrapper),"%s.exe.wrapper", + script) + >= sizeof(wrapper)) { + slbt_free_exec_ctx(actx); + return -1; + } + + /* exeref */ + if ((base = strrchr(script,'/'))) + base++; + else + base = script; + + strcpy(exeref,script); + mark = exeref + (base - script); + sprintf(mark,".libs/%s",base); + + /* swap vector */ + ectx->cargv[0] = wrapper; + ectx->cargv[1] = program; + ectx->cargv[2] = exeref; + + /* execute mode */ + ectx->program = script; + ectx->argv = ectx->cargv; + + /* step output */ + if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) + if (slbt_output_execute(dctx,ectx)) { + slbt_free_exec_ctx(actx); + return -1; + } + + execvp(wrapper,ectx->argv); + + slbt_free_exec_ctx(actx); + return -1; +} |