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-rw-r--r--src/internal/slibtool_lconf_impl.c158
1 files changed, 157 insertions, 1 deletions
diff --git a/src/internal/slibtool_lconf_impl.c b/src/internal/slibtool_lconf_impl.c
index 4b0dcf7..a6f8e58 100644
--- a/src/internal/slibtool_lconf_impl.c
+++ b/src/internal/slibtool_lconf_impl.c
@@ -1,3 +1,4 @@
+
/*******************************************************************/
/* slibtool: a skinny libtool implementation, written in C */
/* Copyright (C) 2016--2018 Z. Gilboa */
@@ -358,6 +359,149 @@ static int slbt_lconf_trace_fstat_annotated(
return ret;
}
+static int slbt_lconf_trace_result_silent(
+ struct slbt_driver_ctx * dctx,
+ int fd,
+ int fdat,
+ const char * lconf,
+ int err)
+{
+ (void)dctx;
+ (void)fd;
+ (void)fdat;
+ (void)lconf;
+ return err ? (-1) : fd;
+}
+
+static int slbt_lconf_trace_result_plain(
+ struct slbt_driver_ctx * dctx,
+ int fd,
+ int fdat,
+ const char * lconf,
+ int err)
+{
+ int fderr;
+ const char * cpath;
+ char path[PATH_MAX];
+
+ fderr = slbt_driver_fderr(dctx);
+
+ cpath = !(slbt_realpath(fdat,lconf,0,path,sizeof(path)))
+ ? path : lconf;
+
+ switch (err) {
+ case 0:
+ slbt_dprintf(
+ fderr,
+ "%s: %s: found %c%s%c.\n",
+ dctx->program,
+ "lconf",
+ '"',cpath,'"');
+ return fd;
+
+ case EXDEV:
+ slbt_dprintf(
+ fderr,
+ "%s: %s: stopped in %c%s%c "
+ "(config file not found on current device).\n",
+ dctx->program,
+ "lconf",
+ '"',cpath,'"');
+ return -1;
+
+ default:
+ slbt_dprintf(
+ fderr,
+ "%s: %s: stopped in %c%s%c "
+ "(top-level directory reached).\n",
+ dctx->program,
+ "lconf",
+ '"',cpath,'"');
+ return -1;
+ }
+}
+
+static int slbt_lconf_trace_result_annotated(
+ struct slbt_driver_ctx * dctx,
+ int fd,
+ int fdat,
+ const char * lconf,
+ int err)
+{
+ int fderr;
+ const char * cpath;
+ char path[PATH_MAX];
+
+ fderr = slbt_driver_fderr(dctx);
+
+ cpath = !(slbt_realpath(fdat,lconf,0,path,sizeof(path)))
+ ? path : lconf;
+
+ switch (err) {
+ case 0:
+ slbt_dprintf(
+ fderr,
+ "%s%s%s%s: %s%s%s: found %s%s%c%s%c%s.\n",
+
+ aclr_bold,aclr_magenta,
+ dctx->program,
+ aclr_reset,
+
+ aclr_bold,
+ "lconf",
+ aclr_reset,
+
+ aclr_bold,aclr_green,
+ '"',cpath,'"',
+ aclr_reset);
+ return fd;
+
+ case EXDEV:
+ slbt_dprintf(
+ fderr,
+ "%s%s%s%s: %s%s%s: stopped in %s%s%c%s%c%s "
+ "%s%s(config file not found on current device)%s.\n",
+
+ aclr_bold,aclr_magenta,
+ dctx->program,
+ aclr_reset,
+
+ aclr_bold,
+ "lconf",
+ aclr_reset,
+
+ aclr_bold,aclr_green,
+ '"',cpath,'"',
+ aclr_reset,
+
+ aclr_bold,aclr_red,
+ aclr_reset);
+ return -1;
+
+ default:
+ slbt_dprintf(
+ fderr,
+ "%s%s%s%s: %s%s%s: stopped in %s%s%c%s%c%s "
+ "%s%s(top-level directory reached)%s.\n",
+
+ aclr_bold,aclr_magenta,
+ dctx->program,
+ aclr_reset,
+
+ aclr_bold,
+ "lconf",
+ aclr_reset,
+
+ aclr_bold,aclr_green,
+ '"',cpath,'"',
+ aclr_reset,
+
+ aclr_bold,aclr_red,
+ aclr_reset);
+ return -1;
+ }
+}
+
static int slbt_lconf_open(
struct slbt_driver_ctx * dctx,
const char * lconf)
@@ -380,6 +524,9 @@ static int slbt_lconf_open(
int (*trace_openat)(struct slbt_driver_ctx *,
int,const char *,int,int);
+ int (*trace_result)(struct slbt_driver_ctx *,
+ int,int,const char *,int);
+
lconf = lconf ? lconf : "libtool";
fderr = slbt_driver_fderr(dctx);
fdcwd = slbt_driver_fdcwd(dctx);
@@ -389,26 +536,31 @@ static int slbt_lconf_open(
trace_lconf = 0;
trace_fstat = slbt_lconf_trace_fstat_silent;
trace_openat = slbt_lconf_trace_openat_silent;
+ trace_result = slbt_lconf_trace_result_silent;
} else if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_NEVER) {
trace_lconf = slbt_lconf_trace_lconf_plain;
trace_fstat = slbt_lconf_trace_fstat_plain;
trace_openat = slbt_lconf_trace_openat_plain;
+ trace_result = slbt_lconf_trace_result_plain;
} else if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_ALWAYS) {
trace_lconf = slbt_lconf_trace_lconf_annotated;
trace_fstat = slbt_lconf_trace_fstat_annotated;
trace_openat = slbt_lconf_trace_openat_annotated;
+ trace_result = slbt_lconf_trace_result_annotated;
} else if (isatty(fderr)) {
trace_lconf = slbt_lconf_trace_lconf_annotated;
trace_fstat = slbt_lconf_trace_fstat_annotated;
trace_openat = slbt_lconf_trace_openat_annotated;
+ trace_result = slbt_lconf_trace_result_annotated;
} else {
trace_lconf = slbt_lconf_trace_lconf_plain;
trace_fstat = slbt_lconf_trace_fstat_plain;
trace_openat = slbt_lconf_trace_openat_plain;
+ trace_result = slbt_lconf_trace_result_plain;
}
if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) {
@@ -419,7 +571,7 @@ static int slbt_lconf_open(
if (lconf && strchr(lconf,'/'))
return ((fdlconf = trace_openat(dctx,fdcwd,lconf,O_RDONLY,0)) < 0)
? SLBT_CUSTOM_ERROR(dctx,SLBT_ERR_LCONF_OPEN)
- : fdlconf;
+ : trace_result(dctx,fdlconf,fdcwd,lconf,0);
if (trace_fstat(dctx,fdlconfdir,".",&stcwd) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
@@ -440,12 +592,14 @@ static int slbt_lconf_open(
}
if (stparent.st_dev != stcwd.st_dev) {
+ trace_result(dctx,fdparent,fdparent,".",EXDEV);
close(fdparent);
return SLBT_CUSTOM_ERROR(
dctx,SLBT_ERR_LCONF_OPEN);
}
if (stparent.st_ino == stinode) {
+ trace_result(dctx,fdparent,fdparent,".",ELOOP);
close(fdparent);
return SLBT_CUSTOM_ERROR(
dctx,SLBT_ERR_LCONF_OPEN);
@@ -456,6 +610,8 @@ static int slbt_lconf_open(
stinode = stparent.st_ino;
}
+ trace_result(dctx,fdlconf,fdlconfdir,lconf,0);
+
slbt_lconf_close(fdcwd,fdlconfdir);
return fdlconf;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 14:32:25 +0000