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libutil/unescape.c: only print argv0 once on error

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Signed-off-by: Mattias Andrée <maandree@kth.se>
This commit is contained in:
Mattias Andrée 2017-02-04 22:15:13 +01:00 committed by Evan Gates
parent 2c424c078a
commit 9a903c63de
1 changed files with 3 additions and 3 deletions
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6
libutil/unescape.c
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@ -35,7 +35,7 @@ unescape(char *s)
(s[m] < 'a' && s[m] > 'f')) (s[m] < 'a' && s[m] > 'f'))
break; break;
if (m == i + 2) if (m == i + 2)
eprintf("%s: invalid escape sequence '\\%c'\n", argv0, s[i + 1]); eprintf("invalid escape sequence '\\%c'\n", s[i + 1]);
off += m - i - 1; off += m - i - 1;
for (--m, q = 0, factor = 1; m > i + 1; m--) { for (--m, q = 0, factor = 1; m > i + 1; m--) {
if (s[m] >= '0' && s[m] <= '9') if (s[m] >= '0' && s[m] <= '9')
@ -49,14 +49,14 @@ unescape(char *s)
s[i] = q; s[i] = q;
break; break;
case '\0': case '\0':
eprintf("%s: null escape sequence\n", argv0); eprintf("null escape sequence\n");
default: default:
/* "\O[OOO]" octal escape */ /* "\O[OOO]" octal escape */
for (m = i + 1; m < i + 1 + 4 && m < len; m++) for (m = i + 1; m < i + 1 + 4 && m < len; m++)
if (s[m] < '0' || s[m] > '7') if (s[m] < '0' || s[m] > '7')
break; break;
if (m == i + 1) if (m == i + 1)
eprintf("%s: invalid escape sequence '\\%c'\n", argv0, s[i + 1]); eprintf("invalid escape sequence '\\%c'\n", s[i + 1]);
off += m - i - 1; off += m - i - 1;
for (--m, q = 0, factor = 1; m > i; m--) { for (--m, q = 0, factor = 1; m > i; m--) {
q += (s[m] - '0') * factor; q += (s[m] - '0') * factor;