diff options
Diffstat (limited to 'src/internal')
| -rw-r--r-- | src/internal/slibtool_lconf_impl.c | 158 |
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; |