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authormidipix <writeonce@midipix.org>2018-06-27 03:51:35 +0000
committermidipix <writeonce@midipix.org>2018-06-27 07:30:01 -0400
commita82cc2f34bddae9b79e582a3bcc6b2c9cbb5009b (patch)
tree1d0de0094b350cf323b6ea8ee44f571918048789 /src/driver/slbt_driver_ctx.c
parent6088476d902b8bcbf688ce7cb6055a4c47c2d0b7 (diff)
downloadslibtool-a82cc2f34bddae9b79e582a3bcc6b2c9cbb5009b.tar.bz2
slibtool-a82cc2f34bddae9b79e582a3bcc6b2c9cbb5009b.tar.xz
driver, library interfaces: support alternate fd's for input/output/error/log.
Diffstat (limited to 'src/driver/slbt_driver_ctx.c')
-rw-r--r--src/driver/slbt_driver_ctx.c117
1 files changed, 89 insertions, 28 deletions
diff --git a/src/driver/slbt_driver_ctx.c b/src/driver/slbt_driver_ctx.c
index adce17d..151363f 100644
--- a/src/driver/slbt_driver_ctx.c
+++ b/src/driver/slbt_driver_ctx.c
@@ -79,7 +79,7 @@ struct slbt_driver_ctx_alloc {
uint64_t guard;
};
-static void slbt_output_raw_vector(char ** argv, char ** envp)
+static void slbt_output_raw_vector(int fderr, char ** argv, char ** envp)
{
char ** parg;
char * dot;
@@ -88,10 +88,10 @@ static void slbt_output_raw_vector(char ** argv, char ** envp)
(void)envp;
- if ((fcolor = isatty(STDERR_FILENO)))
- fprintf(stderr,"%s%s",aclr_bold,aclr_red);
+ if ((fcolor = isatty(fderr)))
+ slbt_dprintf(fderr,"%s%s",aclr_bold,aclr_red);
- fprintf(stderr,"\n\n\n%s",argv[0]);
+ slbt_dprintf(fderr,"\n\n\n%s",argv[0]);
for (parg=&argv[1]; *parg; parg++) {
if (!fcolor)
@@ -107,10 +107,10 @@ static void slbt_output_raw_vector(char ** argv, char ** envp)
else
color = aclr_white;
- fprintf(stderr," %s%s",color,*parg);
+ slbt_dprintf(fderr," %s%s",color,*parg);
}
- fprintf(stderr,"%s\n\n",fcolor ? aclr_reset : "");
+ slbt_dprintf(fderr,"%s\n\n",fcolor ? aclr_reset : "");
}
static uint32_t slbt_argv_flags(uint32_t flags)
@@ -130,6 +130,7 @@ static uint32_t slbt_argv_flags(uint32_t flags)
}
static int slbt_driver_usage(
+ int fdout,
const char * program,
const char * arg,
const struct argv_option ** optv,
@@ -141,7 +142,7 @@ static int slbt_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 SLBT_USAGE;
@@ -149,6 +150,7 @@ static int slbt_driver_usage(
static struct slbt_driver_ctx_impl * slbt_driver_ctx_alloc(
struct argv_meta * meta,
+ const struct slbt_fd_ctx * fdctx,
const struct slbt_common_ctx * cctx)
{
struct slbt_driver_ctx_alloc * ictx;
@@ -160,8 +162,8 @@ static struct slbt_driver_ctx_impl * slbt_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));
elements = sizeof(ictx->ctx.erribuf) / sizeof(*ictx->ctx.erribuf);
@@ -182,7 +184,8 @@ static int slbt_get_driver_ctx_fail(struct argv_meta * meta)
static int slbt_split_argv(
char ** argv,
uint32_t flags,
- struct slbt_split_vector * sargv)
+ struct slbt_split_vector * sargv,
+ int fderr)
{
int i;
int argc;
@@ -209,7 +212,9 @@ static int slbt_split_argv(
argv_optv_init(slbt_default_options,optv);
if (!argv[1] && (flags & SLBT_DRIVER_VERBOSITY_USAGE))
- return slbt_driver_usage(program,0,optv,0);
+ return slbt_driver_usage(
+ fderr,program,
+ 0,optv,0);
/* initial argv scan: ... --mode=xxx ... <compiler> ... */
argv_scan(argv,optv,&ctx,0);
@@ -220,7 +225,7 @@ static int slbt_split_argv(
argv_get(
argv,optv,
slbt_argv_flags(flags),
- STDERR_FILENO);
+ fderr);
return -1;
}
@@ -229,10 +234,10 @@ static int slbt_split_argv(
compiler = argv[ctx.unitidx];
argv[ctx.unitidx] = 0;
- meta = argv_get(argv,optv,ARGV_VERBOSITY_NONE,STDERR_FILENO);
+ meta = argv_get(argv,optv,ARGV_VERBOSITY_NONE,fderr);
argv[ctx.unitidx] = compiler;
} else {
- meta = argv_get(argv,optv,ARGV_VERBOSITY_NONE,STDERR_FILENO);
+ meta = argv_get(argv,optv,ARGV_VERBOSITY_NONE,fderr);
}
/* missing all of --mode, --config, --features, and --finish? */
@@ -251,7 +256,7 @@ static int slbt_split_argv(
argv_free(meta);
if (!mode && !config && !finish && !features) {
- fprintf(stderr,
+ slbt_dprintf(fderr,
"%s: error: --mode must be specified.\n",
program);
return -1;
@@ -260,7 +265,7 @@ static int slbt_split_argv(
/* missing compiler? */
if (!ctx.unitidx && !finish && !features) {
if (flags & SLBT_DRIVER_VERBOSITY_ERRORS)
- fprintf(stderr,
+ slbt_dprintf(fderr,
"%s: error: <compiler> is missing.\n",
program);
return -1;
@@ -773,7 +778,7 @@ static int slbt_init_version_info(
if (current < age) {
if (ictx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
- fprintf(stderr,
+ slbt_dprintf(ictx->fdctx.fderr,
"%s: error: invalid version info: "
"<current> may not be smaller than <age>.\n",
argv_program_name(ictx->cctx.targv[0]));
@@ -795,7 +800,9 @@ static int slbt_init_link_params(struct slbt_driver_ctx_impl * ctx)
const char * base;
char * dot;
bool fmodule;
+ int fderr;
+ fderr = ctx->fdctx.fderr;
program = argv_program_name(ctx->cctx.targv[0]);
libname = 0;
prefix = 0;
@@ -804,7 +811,7 @@ static int slbt_init_link_params(struct slbt_driver_ctx_impl * ctx)
/* output */
if (!(ctx->cctx.output)) {
if (ctx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
- fprintf(stderr,
+ slbt_dprintf(fderr,
"%s: error: output file must be "
"specified in link mode.\n",
program);
@@ -829,7 +836,7 @@ static int slbt_init_link_params(struct slbt_driver_ctx_impl * ctx)
libname = base;
else {
if (ctx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
- fprintf(stderr,
+ slbt_dprintf(fderr,
"%s: error: output file prefix does "
"not match its (archive) suffix; "
"the expected prefix was '%s'\n",
@@ -846,7 +853,7 @@ static int slbt_init_link_params(struct slbt_driver_ctx_impl * ctx)
libname = base;
else {
if (ctx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
- fprintf(stderr,
+ slbt_dprintf(fderr,
"%s: error: output file prefix does "
"not match its (shared library) suffix; "
"the expected prefix was '%s'\n",
@@ -867,7 +874,7 @@ static int slbt_init_link_params(struct slbt_driver_ctx_impl * ctx)
fmodule = true;
} else {
if (ctx->cctx.drvflags & SLBT_DRIVER_VERBOSITY_ERRORS)
- fprintf(stderr,
+ slbt_dprintf(fderr,
"%s: error: output file prefix does "
"not match its (libtool wrapper) suffix; "
"the expected prefix was '%s'\n",
@@ -896,6 +903,7 @@ int slbt_get_driver_ctx(
char ** argv,
char ** envp,
uint32_t flags,
+ const struct slbt_fd_ctx * fdctx,
struct slbt_driver_ctx ** pctx)
{
struct slbt_split_vector sargv;
@@ -908,13 +916,22 @@ int slbt_get_driver_ctx(
argv_optv_init(slbt_default_options,optv);
- if (slbt_split_argv(argv,flags,&sargv))
+ if (!fdctx) {
+ fdctx = &(const struct slbt_fd_ctx) {
+ .fdin = STDIN_FILENO,
+ .fdout = STDOUT_FILENO,
+ .fderr = STDERR_FILENO,
+ .fdlog = (-1)
+ };
+ }
+
+ if (slbt_split_argv(argv,flags,&sargv,fdctx->fderr))
return -1;
if (!(meta = argv_get(
sargv.targv,optv,
slbt_argv_flags(flags),
- STDERR_FILENO)))
+ fdctx->fderr)))
return -1;
program = argv_program_name(argv[0]);
@@ -933,7 +950,9 @@ int slbt_get_driver_ctx(
case TAG_HELP:
case TAG_HELP_ALL:
if (flags & SLBT_DRIVER_VERBOSITY_USAGE)
- return slbt_driver_usage(program,entry->arg,optv,meta);
+ return slbt_driver_usage(
+ fdctx->fdout,program,
+ entry->arg,optv,meta);
case TAG_VERSION:
cctx.drvflags |= SLBT_DRIVER_VERSION;
@@ -1184,7 +1203,7 @@ int slbt_get_driver_ctx(
/* debug: raw argument vector */
if (cctx.drvflags & SLBT_DRIVER_DEBUG)
- slbt_output_raw_vector(argv,envp);
+ slbt_output_raw_vector(fdctx->fderr,argv,envp);
/* -o in install mode means USER */
if ((cctx.mode == SLBT_MODE_INSTALL) && cctx.output) {
@@ -1197,7 +1216,7 @@ int slbt_get_driver_ctx(
cctx.mode = SLBT_MODE_INFO;
/* driver context */
- if (!(ctx = slbt_driver_ctx_alloc(meta,&cctx)))
+ if (!(ctx = slbt_driver_ctx_alloc(meta,fdctx,&cctx)))
return slbt_get_driver_ctx_fail(meta);
ctx->ctx.program = program;
@@ -1252,6 +1271,7 @@ int slbt_get_driver_ctx(
int slbt_create_driver_ctx(
const struct slbt_common_ctx * cctx,
+ const struct slbt_fd_ctx * fdctx,
struct slbt_driver_ctx ** pctx)
{
const struct argv_option * optv[SLBT_OPTV_ELEMENTS];
@@ -1261,10 +1281,19 @@ int slbt_create_driver_ctx(
argv_optv_init(slbt_default_options,optv);
- if (!(meta = argv_get(argv,optv,0,STDERR_FILENO)))
+ if (!fdctx) {
+ fdctx = &(const struct slbt_fd_ctx) {
+ .fdin = STDIN_FILENO,
+ .fdout = STDOUT_FILENO,
+ .fderr = STDERR_FILENO,
+ .fdlog = (-1)
+ };
+ }
+
+ if (!(meta = argv_get(argv,optv,0,fdctx->fderr)))
return -1;
- if (!(ctx = slbt_driver_ctx_alloc(meta,cctx)))
+ if (!(ctx = slbt_driver_ctx_alloc(meta,fdctx,cctx)))
return slbt_get_driver_ctx_fail(0);
ctx->ctx.cctx = &ctx->cctx;
@@ -1364,3 +1393,35 @@ const struct slbt_source_version * slbt_source_version(void)
{
return &slbt_src_version;
}
+
+int slbt_get_driver_fdctx(
+ const struct slbt_driver_ctx * dctx,
+ struct slbt_fd_ctx * fdctx)
+{
+ struct slbt_driver_ctx_impl * ictx;
+
+ ictx = slbt_get_driver_ictx(dctx);
+
+ fdctx->fdin = ictx->fdctx.fdin;
+ fdctx->fdout = ictx->fdctx.fdout;
+ fdctx->fderr = ictx->fdctx.fderr;
+ fdctx->fdlog = ictx->fdctx.fdlog;
+
+ return 0;
+}
+
+int slbt_set_driver_fdctx(
+ struct slbt_driver_ctx * dctx,
+ const struct slbt_fd_ctx * fdctx)
+{
+ struct slbt_driver_ctx_impl * ictx;
+
+ ictx = slbt_get_driver_ictx(dctx);
+
+ ictx->fdctx.fdin = fdctx->fdin;
+ ictx->fdctx.fdout = fdctx->fdout;
+ ictx->fdctx.fderr = fdctx->fderr;
+ ictx->fdctx.fdlog = fdctx->fdlog;
+
+ return 0;
+}