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freebsd_amp_hwpstate
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Do not overwrite files when the -i option is specified! 

PR:		17476
Reported by:	Jonathan Chen <jon@spock.org>
This commit is contained in:
Sheldon Hearn 2000-03-27 11:49:36 +00:00
parent a2554a04db
commit a6eb0df247
1 changed files with 14 additions and 10 deletions
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24
usr.bin/uudecode/uudecode.c
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@ -141,11 +141,11 @@ decode2(flag)
struct passwd *pw;
register int n;
register char ch, first, *p;
int mode, n1;
int ignore, mode, n1;
char buf[MAXPATHLEN];
char buffn[MAXPATHLEN]; /* file name buffer */
ignore = 0;
/* search for header line */
do {
if (!fgets(buf, sizeof(buf), stdin)) {
@ -197,9 +197,10 @@ decode2(flag)
; /* print to stdout */
else {
if (iflag && !access(buf, F_OK))
if (iflag && !access(buf, F_OK)) {
(void)fprintf(stderr, "not overwritten: %s\n", buf);
if (!freopen(buf, "w", stdout) ||
ignore++;
} else if (!freopen(buf, "w", stdout) ||
fchmod(fileno(stdout), mode&0666)) {
warn("%s: %s", buf, filename);
return(1);
@ -224,6 +225,9 @@ decode2(flag)
filename, buffn, 1 + ' ', 077 + ' ' + 1); \
return(1); \
}
#define PUTCHAR(c) \
if (!ignore) \
putchar(c)
/*
@ -239,11 +243,11 @@ decode2(flag)
OUT_OF_RANGE
ch = DEC(p[0]) << 2 | DEC(p[1]) >> 4;
putchar(ch);
PUTCHAR(ch);
ch = DEC(p[1]) << 4 | DEC(p[2]) >> 2;
putchar(ch);
PUTCHAR(ch);
ch = DEC(p[2]) << 6 | DEC(p[3]);
putchar(ch);
PUTCHAR(ch);
}
else {
@ -251,7 +255,7 @@ decode2(flag)
if (!(IS_DEC(*p) && IS_DEC(*(p + 1))))
OUT_OF_RANGE
ch = DEC(p[0]) << 2 | DEC(p[1]) >> 4;
putchar(ch);
PUTCHAR(ch);
}
if (n >= 2) {
if (!(IS_DEC(*(p + 1)) &&
@ -259,14 +263,14 @@ decode2(flag)
OUT_OF_RANGE
ch = DEC(p[1]) << 4 | DEC(p[2]) >> 2;
putchar(ch);
PUTCHAR(ch);
}
if (n >= 3) {
if (!(IS_DEC(*(p + 2)) &&
IS_DEC(*(p + 3))))
OUT_OF_RANGE
ch = DEC(p[2]) << 6 | DEC(p[3]);
putchar(ch);
PUTCHAR(ch);
}
}
}