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-rw-r--r--src/internal/slibtool_lconf_impl.c384
1 files changed, 377 insertions, 7 deletions
diff --git a/src/internal/slibtool_lconf_impl.c b/src/internal/slibtool_lconf_impl.c
index ad335f1..4b0dcf7 100644
--- a/src/internal/slibtool_lconf_impl.c
+++ b/src/internal/slibtool_lconf_impl.c
@@ -24,16 +24,345 @@ enum slbt_lconf_opt {
SLBT_LCONF_OPT_YES,
};
+static const char aclr_reset[] = "\x1b[0m";
+static const char aclr_bold[] = "\x1b[1m";
+
+static const char aclr_red[] = "\x1b[31m";
+static const char aclr_green[] = "\x1b[32m";
+static const char aclr_yellow[] = "\x1b[33m";
+static const char aclr_blue[] = "\x1b[34m";
+static const char aclr_magenta[] = "\x1b[35m";
+
static void slbt_lconf_close(int fdcwd, int fdlconfdir)
{
if (fdlconfdir != fdcwd)
close(fdlconfdir);
}
+static int slbt_lconf_trace_lconf_plain(
+ struct slbt_driver_ctx * dctx,
+ const char * lconf)
+{
+ int fderr = slbt_driver_fderr(dctx);
+
+ if (slbt_dprintf(
+ fderr,
+ "%s: %s: {.name=%c%s%c}.\n",
+ dctx->program,
+ "lconf",
+ '"',lconf,'"') < 0)
+ return -1;
+
+ return 0;
+}
+
+static int slbt_lconf_trace_lconf_annotated(
+ struct slbt_driver_ctx * dctx,
+ const char * lconf)
+{
+ int fderr = slbt_driver_fderr(dctx);
+
+ if (slbt_dprintf(
+ fderr,
+ "%s%s%s%s: %s%s%s: {.name=%s%s%c%s%c%s}.\n",
+
+ aclr_bold,aclr_magenta,
+ dctx->program,
+ aclr_reset,
+
+ aclr_bold,
+ "lconf",
+ aclr_reset,
+
+ aclr_bold,aclr_green,
+ '"',lconf,'"',
+ aclr_reset) < 0)
+ return -1;
+
+ return 0;
+}
+
+static int slbt_lconf_trace_openat_silent(
+ struct slbt_driver_ctx * dctx,
+ int fdat,
+ const char * path,
+ int oflag,
+ int mode)
+{
+ (void)dctx;
+ return openat(fdat,path,oflag,mode);
+}
+
+static int slbt_lconf_trace_openat_plain(
+ struct slbt_driver_ctx * dctx,
+ int fdat,
+ const char * path,
+ int oflag,
+ int mode)
+{
+ char scwd[20];
+ char serr[512];
+
+ int ret = openat(fdat,path,oflag,mode);
+ int fderr = slbt_driver_fderr(dctx);
+
+ if (fdat == AT_FDCWD) {
+ strcpy(scwd,"AT_FDCWD");
+ } else {
+ sprintf(scwd,"%d",fdat);
+ }
+
+ if ((ret < 0) && (errno == ENOENT)) {
+ strcpy(serr," [ENOENT]");
+ } else if (ret < 0) {
+ memset(serr,0,sizeof(serr));
+ strerror_r(errno,&serr[2],sizeof(serr)-4);
+ serr[0] = ' ';
+ serr[1] = '(';
+ serr[strlen(serr)] = ')';
+ } else {
+ serr[0] = 0;
+ }
+
+ slbt_dprintf(
+ fderr,
+ "%s: %s: openat(%s,%c%s%c,%s,%d) = %d%s.\n",
+ dctx->program,
+ "lconf",
+ scwd,
+ '"',path,'"',
+ (oflag == O_DIRECTORY) ? "O_DIRECTORY" : "O_RDONLY",
+ mode,ret,serr);
+
+ return ret;
+}
+
+static int slbt_lconf_trace_openat_annotated(
+ struct slbt_driver_ctx * dctx,
+ int fdat,
+ const char * path,
+ int oflag,
+ int mode)
+{
+ char scwd[20];
+ char serr[512];
+
+ int ret = openat(fdat,path,oflag,mode);
+ int fderr = slbt_driver_fderr(dctx);
+
+ if (fdat == AT_FDCWD) {
+ strcpy(scwd,"AT_FDCWD");
+ } else {
+ sprintf(scwd,"%d",fdat);
+ }
+
+ if ((ret < 0) && (errno == ENOENT)) {
+ strcpy(serr," [ENOENT]");
+ } else if (ret < 0) {
+ memset(serr,0,sizeof(serr));
+ strerror_r(errno,&serr[2],sizeof(serr)-4);
+ serr[0] = ' ';
+ serr[1] = '(';
+ serr[strlen(serr)] = ')';
+ } else {
+ serr[0] = 0;
+ }
+
+ slbt_dprintf(
+ fderr,
+ "%s%s%s%s: %s%s%s: openat(%s%s%s%s,%s%s%c%s%c%s,%s%s%s%s,%d) = %s%d%s%s%s%s%s.\n",
+
+ aclr_bold,aclr_magenta,
+ dctx->program,
+ aclr_reset,
+
+ aclr_bold,
+ "lconf",
+ aclr_reset,
+
+ aclr_bold,aclr_blue,
+ scwd,
+ aclr_reset,
+
+ aclr_bold,aclr_green,
+ '"',path,'"',
+ aclr_reset,
+
+ aclr_bold,aclr_blue,
+ (oflag == O_DIRECTORY) ? "O_DIRECTORY" : "O_RDONLY",
+ aclr_reset,
+
+ mode,
+
+ aclr_bold,
+ ret,
+ aclr_reset,
+
+ aclr_bold,aclr_red,
+ serr,
+ aclr_reset);
+
+ return ret;
+}
+
+static int slbt_lconf_trace_fstat_silent(
+ struct slbt_driver_ctx * dctx,
+ int fd,
+ const char * path,
+ struct stat * st)
+{
+ (void)dctx;
+
+ return path ? fstatat(fd,path,st,0) : fstat(fd,st);
+}
+
+static int slbt_lconf_trace_fstat_plain(
+ struct slbt_driver_ctx * dctx,
+ int fd,
+ const char * path,
+ struct stat * st)
+{
+ char scwd[20];
+ char serr[512];
+ char quot[2] = {'"',0};
+
+ int ret = path ? fstatat(fd,path,st,0) : fstat(fd,st);
+ int fderr = slbt_driver_fderr(dctx);
+
+ if (fd == AT_FDCWD) {
+ strcpy(scwd,"AT_FDCWD");
+ } else {
+ sprintf(scwd,"%d",fd);
+ }
+
+ if ((ret < 0) && (errno == ENOENT)) {
+ strcpy(serr," [ENOENT]");
+ } else if (ret < 0) {
+ memset(serr,0,sizeof(serr));
+ strerror_r(errno,&serr[2],sizeof(serr)-4);
+ serr[0] = ' ';
+ serr[1] = '(';
+ serr[strlen(serr)] = ')';
+ } else {
+ serr[0] = 0;
+ }
+
+ slbt_dprintf(
+ fderr,
+ "%s: %s: %s(%s%s%s%s%s,...) = %d%s%s",
+ dctx->program,
+ "lconf",
+ path ? "fstatat" : "fstat",
+ scwd,
+ path ? "," : "",
+ path ? quot : "",
+ path ? path : "",
+ path ? quot : "",
+ ret,
+ serr,
+ ret ? ".\n" : "");
+
+ if (ret == 0)
+ slbt_dprintf(
+ fderr,
+ " {.st_dev = %ld, .st_ino = %ld}.\n",
+ st->st_dev,
+ st->st_ino);
+
+ return ret;
+}
+
+static int slbt_lconf_trace_fstat_annotated(
+ struct slbt_driver_ctx * dctx,
+ int fd,
+ const char * path,
+ struct stat * st)
+{
+ char scwd[20];
+ char serr[512];
+ char quot[2] = {'"',0};
+
+ int ret = path ? fstatat(fd,path,st,0) : fstat(fd,st);
+ int fderr = slbt_driver_fderr(dctx);
+
+ if (fd == AT_FDCWD) {
+ strcpy(scwd,"AT_FDCWD");
+ } else {
+ sprintf(scwd,"%d",fd);
+ }
+
+ if ((ret < 0) && (errno == ENOENT)) {
+ strcpy(serr," [ENOENT]");
+ } else if (ret < 0) {
+ memset(serr,0,sizeof(serr));
+ strerror_r(errno,&serr[2],sizeof(serr)-4);
+ serr[0] = ' ';
+ serr[1] = '(';
+ serr[strlen(serr)] = ')';
+ } else {
+ serr[0] = 0;
+ }
+
+ slbt_dprintf(
+ fderr,
+ "%s%s%s%s: %s%s%s: %s(%s%s%s%s%s%s%s%s%s%s%s,...) = %s%d%s%s%s%s%s%s",
+
+ aclr_bold,aclr_magenta,
+ dctx->program,
+ aclr_reset,
+
+ aclr_bold,
+ "lconf",
+ aclr_reset,
+
+ path ? "fstatat" : "fstat",
+
+ aclr_bold,aclr_blue,
+ scwd,
+ aclr_reset,
+
+ aclr_bold,aclr_green,
+ path ? "," : "",
+ path ? quot : "",
+ path ? path : "",
+ path ? quot : "",
+ aclr_reset,
+
+ aclr_bold,
+ ret,
+ aclr_reset,
+
+ aclr_bold,aclr_red,
+ serr,
+ aclr_reset,
+
+ ret ? ".\n" : "");
+
+ if (ret == 0)
+ slbt_dprintf(
+ fderr,
+ " {%s%s.st_dev%s = %s%ld%s, %s%s.st_ino%s = %s%ld%s}.\n",
+
+ aclr_bold,aclr_yellow,aclr_reset,
+
+ aclr_bold,
+ st->st_dev,
+ aclr_reset,
+
+ aclr_bold,aclr_yellow,aclr_reset,
+
+ aclr_bold,
+ st->st_ino,
+ aclr_reset);
+
+ return ret;
+}
+
static int slbt_lconf_open(
struct slbt_driver_ctx * dctx,
const char * lconf)
{
+ int fderr;
int fdcwd;
int fdlconf;
int fdlconfdir;
@@ -42,29 +371,70 @@ static int slbt_lconf_open(
struct stat stparent;
ino_t stinode;
+ int (*trace_lconf)(struct slbt_driver_ctx *,
+ const char *);
+
+ int (*trace_fstat)(struct slbt_driver_ctx *,
+ int,const char *, struct stat *);
+
+ int (*trace_openat)(struct slbt_driver_ctx *,
+ int,const char *,int,int);
+
+ lconf = lconf ? lconf : "libtool";
+ fderr = slbt_driver_fderr(dctx);
fdcwd = slbt_driver_fdcwd(dctx);
fdlconfdir = fdcwd;
+ if (dctx->cctx->drvflags & SLBT_DRIVER_SILENT) {
+ trace_lconf = 0;
+ trace_fstat = slbt_lconf_trace_fstat_silent;
+ trace_openat = slbt_lconf_trace_openat_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;
+
+ } 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;
+
+ } 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;
+
+ } else {
+ trace_lconf = slbt_lconf_trace_lconf_plain;
+ trace_fstat = slbt_lconf_trace_fstat_plain;
+ trace_openat = slbt_lconf_trace_openat_plain;
+ }
+
+ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) {
+ trace_lconf(dctx,lconf);
+ slbt_output_fdcwd(dctx);
+ }
+
if (lconf && strchr(lconf,'/'))
- return ((fdlconf = openat(fdcwd,lconf,O_RDONLY,0)) < 0)
+ return ((fdlconf = trace_openat(dctx,fdcwd,lconf,O_RDONLY,0)) < 0)
? SLBT_CUSTOM_ERROR(dctx,SLBT_ERR_LCONF_OPEN)
: fdlconf;
- if (fstatat(fdlconfdir,".",&stcwd,0) < 0)
+ if (trace_fstat(dctx,fdlconfdir,".",&stcwd) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
- lconf = lconf ? lconf : "libtool";
- fdlconf = openat(fdlconfdir,lconf,O_RDONLY,0);
stinode = stcwd.st_ino;
+ fdlconf = trace_openat(dctx,fdlconfdir,lconf,O_RDONLY,0);
while (fdlconf < 0) {
- fdparent = openat(fdlconfdir,"../",O_DIRECTORY,0);
+ fdparent = trace_openat(dctx,fdlconfdir,"../",O_DIRECTORY,0);
slbt_lconf_close(fdcwd,fdlconfdir);
if (fdparent < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
- if (fstat(fdparent,&stparent) < 0) {
+ if (trace_fstat(dctx,fdparent,0,&stparent) < 0) {
close(fdparent);
return SLBT_SYSTEM_ERROR(dctx,0);
}
@@ -82,7 +452,7 @@ static int slbt_lconf_open(
}
fdlconfdir = fdparent;
- fdlconf = openat(fdlconfdir,lconf,O_RDONLY,0);
+ fdlconf = trace_openat(dctx,fdlconfdir,lconf,O_RDONLY,0);
stinode = stparent.st_ino;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:47:50 +0000