mirror of
https://github.com/yann64/haikuports.git
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108 lines
1.8 KiB
C
108 lines
1.8 KiB
C
/*
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* DOS2UNIX.C
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*
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* Clean out cr/lf combinations in a file but keep it's original
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* date/time stamp.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <utime.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifndef TRUE
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# define TRUE (1)
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# define FALSE (0)
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#endif
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#define R_CNTRL "r"
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#define W_CNTRL "w"
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struct stat s_buf;
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int dos2u (char *path);
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main (int argc, char **argv)
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{
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char *path;
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while (--argc>0)
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{
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if (stat (path=*++argv, &s_buf) != -1)
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{
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printf ("Dos2Unix: Cleaning file %s ...\n", path);
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if (dos2u (path))
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{
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fprintf (stderr, "Dos2Unix: Problems cleaning file %s\n", path);
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}
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}
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else
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{
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fprintf (stderr, "Dos2Unix: Can't stat '%s'\n", path);
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}
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}
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}
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int dos2u (char *path)
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{
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FILE *in, *out;
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int ch,
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rval = FALSE;
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char temppath [16];
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/* struct utimbuf { time_t actime, modtime; } ut_buf; */
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struct utimbuf ut_buf;
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strcpy (temppath, "./clntmp");
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if ((in=fopen (path, R_CNTRL)) == (FILE *) 0)
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return TRUE;
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if ((out=fopen (temppath, W_CNTRL)) == (FILE *) 0)
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{
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fclose (in);
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return TRUE;
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}
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while ((ch = getc (in)) != EOF)
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if ((ch != '\015' && ch != '\032') &&
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(putc (ch, out) == EOF) )
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{
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rval = TRUE;
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break;
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}
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if (fclose (in) == EOF)
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{
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rval = TRUE;
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}
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if (fclose (out) == EOF)
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{
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rval = TRUE;
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}
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ut_buf.actime = s_buf.st_atime;
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ut_buf.modtime = s_buf.st_mtime;
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if (utime (temppath, &ut_buf) == -1)
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rval = TRUE;
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if (unlink (path) == -1)
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rval = TRUE;
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if (rval)
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{
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unlink (temppath);
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return TRUE;
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}
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if (rename (temppath,path) == -1)
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{
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fprintf (stderr, "Dos2Unix: Problems renaming '%s' to '%s'\n", temppath, path);
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fprintf (stderr, " However, file '%s' remains\n", temppath);
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exit (1);
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}
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unlink (temppath);
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return FALSE;
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}
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