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Blame src/output/slbt_output_fdcwd.c

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/*******************************************************************/
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/*  slibtool: a skinny libtool implementation, written in C        */
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/*  Copyright (C) 2016--2020  Z. Gilboa                            */
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/*  Released under the Standard MIT License; see COPYING.SLIBTOOL. */
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/*******************************************************************/
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <slibtool/slibtool.h>
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#include "slibtool_driver_impl.h"
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#include "slibtool_dprintf_impl.h"
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static const char aclr_reset[]   = "\x1b[0m";
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static const char aclr_bold[]    = "\x1b[1m";
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static const char aclr_green[]   = "\x1b[32m";
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static const char aclr_blue[]    = "\x1b[34m";
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static const char aclr_magenta[] = "\x1b[35m";
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static int slbt_output_fdcwd_plain(const struct slbt_driver_ctx * dctx)
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{
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	char         path[PATH_MAX];
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	char         scwd[20];
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	int          fdcwd   = slbt_driver_fdcwd(dctx);
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	int          fderr   = slbt_driver_fderr(dctx);
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	int          ferror  = 0;
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	if (fdcwd == AT_FDCWD) {
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		strcpy(scwd,"AT_FDCWD");
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	} else {
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		sprintf(scwd,"%d",fdcwd);
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	}
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	if (slbt_realpath(fdcwd,".",0,path,sizeof(path)) < 0) {
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		ferror = 1;
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		memset(path,0,sizeof(path));
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		strerror_r(errno,path,sizeof(path));
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	}
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	if (slbt_dprintf(
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			fderr,
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			"%s: %s: {.fdcwd=%s, .realpath%s=%c%s%c}.\n",
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			dctx->program,
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			"fdcwd",
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			scwd,
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			ferror ? ".error" : "",
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			ferror ? '[' : '"',
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			path,
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			ferror ? ']' : '"') < 0)
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		return -1;
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	return 0;
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}
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static int slbt_output_fdcwd_annotated(const struct slbt_driver_ctx * dctx)
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{
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	char         path[PATH_MAX];
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	char         scwd[20];
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	int          fdcwd   = slbt_driver_fdcwd(dctx);
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	int          fderr   = slbt_driver_fderr(dctx);
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	int          ferror  = 0;
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	if (fdcwd == AT_FDCWD) {
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		strcpy(scwd,"AT_FDCWD");
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	} else {
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		sprintf(scwd,"%d",fdcwd);
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	}
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	if (slbt_realpath(fdcwd,".",0,path,sizeof(path)) < 0) {
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		ferror = 1;
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		memset(path,0,sizeof(path));
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		strerror_r(errno,path,sizeof(path));
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	}
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	if (slbt_dprintf(
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			fderr,
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			"%s%s%s%s: %s%s%s: {.fdcwd=%s%s%s%s, .realpath%s=%s%s%c%s%c%s}.\n",
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			aclr_bold,aclr_magenta,
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			dctx->program,
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			aclr_reset,
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			aclr_bold,
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			"fdcwd",
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			aclr_reset,
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			aclr_bold,aclr_blue,
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			scwd,
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			aclr_reset,
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			ferror ? ".error" : "",
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			aclr_bold,aclr_green,
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			ferror ? '[' : '"',
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			path,
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			ferror ? ']' : '"',
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			aclr_reset) < 0)
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		return -1;
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	return 0;
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}
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int slbt_output_fdcwd(const struct slbt_driver_ctx * dctx)
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{
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	int fderr = slbt_driver_fderr(dctx);
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	if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_NEVER)
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		return slbt_output_fdcwd_plain(dctx);
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	else if (dctx->cctx->drvflags & SLBT_DRIVER_ANNOTATE_ALWAYS)
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		return slbt_output_fdcwd_annotated(dctx);
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	else if (isatty(fderr))
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		return slbt_output_fdcwd_annotated(dctx);
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	else
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		return slbt_output_fdcwd_plain(dctx);
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}