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Microoptimization of prev. patch: do strdup() only if (cflag || Cflag)

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This commit is contained in:
Andrey A. Chernov 2003-08-03 22:19:43 +00:00
parent e42eb6838e
commit d7da7302f9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118400
1 changed files with 5 additions and 3 deletions
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8
usr.bin/tr/tr.c
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@ -214,12 +214,14 @@ main(int argc, char **argv)
usage();
s1.str = argv[0];
if ((s2.str = strdup(argv[1])) == NULL)
errx(2, "strdup(argv[1])");
if (cflag || Cflag) {
if ((s2.str = strdup(argv[1])) == NULL)
errx(1, "strdup(argv[1])");
if (cflag || Cflag)
for (cnt = NCHARS, p = string1; cnt--;)
*p++ = OOBCH;
} else
s2.str = argv[1];
if (!next(&s2))
errx(1, "empty string2");