summaryrefslogtreecommitdiffhomepage
path: root/src/logic/slbt_exec_link.c
diff options
context:
space:
mode:
authormidipix <writeonce@midipix.org>2018-06-28 15:33:50 -0400
committermidipix <writeonce@midipix.org>2018-06-29 01:37:44 -0400
commitc178e3616873d4bb6d94d6fb68633497a4df0ef5 (patch)
tree3ee384283818d300535a8d1174a292031b1289e2 /src/logic/slbt_exec_link.c
parent9ae217c7e600b15415e84f9a0cf0510d9130ac55 (diff)
downloadslibtool-c178e3616873d4bb6d94d6fb68633497a4df0ef5.tar.bz2
slibtool-c178e3616873d4bb6d94d6fb68633497a4df0ef5.tar.xz
link mode: re-implemented slbt_exec_link_create_dep_file() w. pure fdio.
Diffstat (limited to 'src/logic/slbt_exec_link.c')
-rw-r--r--src/logic/slbt_exec_link.c209
1 files changed, 120 insertions, 89 deletions
diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c
index 8c70bcb..8ad1af3 100644
--- a/src/logic/slbt_exec_link.c
+++ b/src/logic/slbt_exec_link.c
@@ -15,6 +15,7 @@
#include <slibtool/slibtool.h>
#include "slibtool_spawn_impl.h"
#include "slibtool_mkdir_impl.h"
+#include "slibtool_dprintf_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_mapfile_impl.h"
#include "slibtool_metafile_impl.h"
@@ -613,40 +614,43 @@ static int slbt_exec_link_create_dep_file(
const char * libfilename,
bool farchive)
{
- char ** parg;
- char * popt;
- char * plib;
- char * path;
- char * mark;
- char * base;
- size_t size;
- FILE * fdeps;
- char * deplib;
- char reladir[PATH_MAX];
- char deplibs[PATH_MAX];
- char depfile[PATH_MAX];
- struct stat st;
- int ldepth;
- int fdyndep;
- int fnodeps;
-
- if (ectx->fdeps) {
- fclose(ectx->fdeps);
- ectx->fdeps = 0;
- }
+ int ret;
+ int deps;
+ char ** parg;
+ char * popt;
+ char * plib;
+ char * path;
+ char * mark;
+ char * base;
+ size_t size;
+ size_t slen;
+ char deplib [PATH_MAX];
+ char reladir[PATH_MAX];
+ char depfile[PATH_MAX];
+ struct stat st;
+ int ldepth;
+ int fdyndep;
+ int fnodeps;
+ struct slbt_map_info * mapinfo;
- if ((size_t)snprintf(depfile,sizeof(depfile),"%s.slibtool.deps",
- libfilename)
- >= sizeof(depfile))
+ /* depfile */
+ slen = snprintf(depfile,sizeof(depfile),
+ "%s.slibtool.deps",
+ libfilename);
+
+ if (slen >= sizeof(depfile))
return SLBT_BUFFER_ERROR(dctx);
- if (!(ectx->fdeps = fopen(depfile,"w")))
+ /* deps */
+ if ((deps = openat(AT_FDCWD,depfile,O_RDWR|O_CREAT|O_TRUNC,0644)) < 0)
return SLBT_SYSTEM_ERROR(dctx);
+ /* iterate */
for (parg=altv; *parg; parg++) {
- popt = 0;
- plib = 0;
- path = 0;
+ popt = 0;
+ plib = 0;
+ path = 0;
+ mapinfo = 0;
if (!strcmp(*parg,"-l")) {
popt = *parg++;
@@ -683,11 +687,13 @@ static int slbt_exec_link_create_dep_file(
/* [relative .la directory] */
if (base > *parg) {
- if ((size_t)snprintf(reladir,
- sizeof(reladir),
- "%s",*parg)
- >= sizeof(reladir))
- return SLBT_SYSTEM_ERROR(dctx);
+ slen = snprintf(reladir,sizeof(reladir),
+ "%s",*parg);
+
+ if (slen >= sizeof(reladir)) {
+ close(deps);
+ return SLBT_BUFFER_ERROR(dctx);
+ }
reladir[base - *parg - 1] = 0;
} else {
@@ -700,29 +706,37 @@ static int slbt_exec_link_create_dep_file(
strcpy(depfile,*parg);
mark = depfile + (base - *parg);
size = sizeof(depfile) - (base - *parg);
+ slen = snprintf(mark,size,".libs/%s",base);
- if ((size_t)snprintf(mark,size,".libs/%s",base)
- >= size)
+ if (slen >= size) {
+ close(deps);
return SLBT_BUFFER_ERROR(dctx);
+ }
mark = strrchr(mark,'.');
strcpy(mark,dctx->cctx->settings.dsosuffix);
- fdeps = 0;
fdyndep = !stat(depfile,&st);
fnodeps = farchive && fdyndep;
/* [-L... as needed] */
if (fdyndep && (base > *parg) && (ectx->ldirdepth >= 0)) {
- if (fputs("-L",ectx->fdeps) < 0)
+ if (slbt_dprintf(deps,"-L") < 0) {
+ close(deps);
return SLBT_SYSTEM_ERROR(dctx);
+ }
- for (ldepth=ectx->ldirdepth; ldepth; ldepth--)
- if (fputs("../",ectx->fdeps) < 0)
+ for (ldepth=ectx->ldirdepth; ldepth; ldepth--) {
+ if (slbt_dprintf(deps,"../") < 0) {
+ close(deps);
return SLBT_SYSTEM_ERROR(dctx);
+ }
+ }
- if (fprintf(ectx->fdeps,"%s/.libs\n",reladir) < 0)
+ if (slbt_dprintf(deps,"%s/.libs\n",reladir) < 0) {
+ close(deps);
return SLBT_SYSTEM_ERROR(dctx);
+ }
}
/* -ldeplib */
@@ -731,8 +745,10 @@ static int slbt_exec_link_create_dep_file(
mark = base;
mark += strlen(dctx->cctx->settings.dsoprefix);
- if (fprintf(ectx->fdeps,"-l%s\n",mark) < 0)
+ if (slbt_dprintf(deps,"-l%s\n",mark) < 0) {
+ close(deps);
return SLBT_SYSTEM_ERROR(dctx);
+ }
*popt = '.';
}
@@ -741,82 +757,97 @@ static int slbt_exec_link_create_dep_file(
strcpy(depfile,*parg);
mark = depfile + (base - *parg);
size = sizeof(depfile) - (base - *parg);
+ slen = snprintf(mark,size,".libs/%s",base);
- if ((size_t)snprintf(mark,size,".libs/%s",base)
- >= size)
+ if (slen >= size) {
+ close(deps);
return SLBT_BUFFER_ERROR(dctx);
+ }
mark = strrchr(mark,'.');
size = sizeof(depfile) - (mark - depfile);
if (!farchive) {
- if ((size_t)snprintf(
- mark,size,
- "%s.slibtool.deps",
- dctx->cctx->settings.dsosuffix)
- >= size)
+ slen = snprintf(mark,size,
+ "%s.slibtool.deps",
+ dctx->cctx->settings.dsosuffix);
+
+ if (slen >= size) {
+ close(deps);
return SLBT_BUFFER_ERROR(dctx);
+ }
- if (stat(depfile,&st)) {
- if (errno != ENOENT)
- return SLBT_SYSTEM_ERROR(dctx);
- } else {
- if (!(fdeps = fopen(depfile,"r")))
- return SLBT_SYSTEM_ERROR(dctx);
+ mapinfo = slbt_map_file(
+ AT_FDCWD,depfile,
+ SLBT_MAP_INPUT);
+
+ if (!mapinfo && (errno != ENOENT)) {
+ close(deps);
+ return SLBT_SYSTEM_ERROR(dctx);
}
}
- if (!fnodeps && (farchive || !fdeps)) {
- if ((size_t)snprintf(mark,size,".a.slibtool.deps")
- >= size)
+ if (!mapinfo && !fnodeps) {
+ slen = snprintf(mark,size,
+ ".a.slibtool.deps");
+
+ if (slen >= size) {
+ close(deps);
return SLBT_BUFFER_ERROR(dctx);
+ }
- if (stat(depfile,&st))
- return SLBT_SYSTEM_ERROR(dctx);
+ mapinfo = slbt_map_file(
+ AT_FDCWD,depfile,
+ SLBT_MAP_INPUT);
- if (!(fdeps = fopen(depfile,"r")))
+ if (!mapinfo) {
+ close(deps);
return SLBT_SYSTEM_ERROR(dctx);
+ }
}
/* [-l... as needed] */
- deplib = fdeps && st.st_size
- ? fgets(deplibs,st.st_size+1,fdeps)
- : 0;
-
- for (; deplib; ) {
- if ((deplib[0] == '-') && (deplib[1] == 'L')
- && (deplib[2] != '/')) {
- if (fprintf(ectx->fdeps,"-L%s/%s",
- reladir,&deplib[2]) < 0) {
- fclose(fdeps);
- return SLBT_SYSTEM_ERROR(dctx);
- }
- } else {
- if (fprintf(ectx->fdeps,"%s",deplib) < 0) {
- fclose(fdeps);
- return SLBT_SYSTEM_ERROR(dctx);
- }
+ while (mapinfo && (mapinfo->mark < mapinfo->cap)) {
+ ret = slbt_mapped_readline(
+ dctx,mapinfo,
+ deplib,sizeof(deplib));
+
+ if (ret) {
+ close(deps);
+ return SLBT_NESTED_ERROR(dctx);
}
- deplib = fgets(deplibs,st.st_size+1,fdeps);
+ ret = ((deplib[0] == '-')
+ && (deplib[1] == 'L')
+ && (deplib[2] != '/'))
+ ? slbt_dprintf(
+ deps,"-L%s/%s",
+ reladir,&deplib[2])
+ : slbt_dprintf(
+ deps,"%s",
+ deplib);
+
+ if (ret < 0) {
+ close(deps);
+ return SLBT_SYSTEM_ERROR(dctx);
+ }
}
- if (fdeps)
- fclose(fdeps);
+ if (mapinfo)
+ slbt_unmap_file(mapinfo);
}
- if (plib)
- if (fprintf(ectx->fdeps,"-l%s\n",plib) < 0)
- return SLBT_SYSTEM_ERROR(dctx);
+ if (plib && (slbt_dprintf(deps,"-l%s\n",plib) < 0)) {
+ close(deps);
+ return SLBT_SYSTEM_ERROR(dctx);
+ }
- if (path)
- if (fprintf(ectx->fdeps,"-L%s\n",path) < 0)
- return SLBT_SYSTEM_ERROR(dctx);
+ if (path && (slbt_dprintf(deps,"-L%s\n",path) < 0)) {
+ close(deps);
+ return SLBT_SYSTEM_ERROR(dctx);
+ }
}
- if (fflush(ectx->fdeps))
- return SLBT_SYSTEM_ERROR(dctx);
-
return 0;
}