37 lines
887 B
C
37 lines
887 B
C
/* app4.c
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Stick three directories and a file name together. */
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#include "uucp.h"
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#include "uudefs.h"
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#include "sysdep.h"
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char *
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zsappend4 (zdir1, zdir2, zdir3, zfile)
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const char *zdir1;
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const char *zdir2;
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const char *zdir3;
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const char *zfile;
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{
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size_t cdir1, cdir2, cdir3, cfile;
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char *zret;
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cdir1 = strlen (zdir1);
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cdir2 = strlen (zdir2);
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cdir3 = strlen (zdir3);
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cfile = strlen (zfile);
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zret = zbufalc (cdir1 + cdir2 + cdir3 + cfile + 4);
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if (cdir1 == 1 && *zdir1 == '/')
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cdir1 = 0;
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else
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memcpy (zret, zdir1, cdir1);
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memcpy (zret + cdir1 + 1, zdir2, cdir2);
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memcpy (zret + cdir1 + cdir2 + 2, zdir3, cdir3);
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memcpy (zret + cdir1 + cdir2 + cdir3 + 3, zfile, cfile);
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zret[cdir1] = '/';
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zret[cdir1 + cdir2 + 1] = '/';
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zret[cdir1 + cdir2 + cdir3 + 2] = '/';
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zret[cdir1 + cdir2 + cdir3 + cfile + 3] = '\0';
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return zret;
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}
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