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encode(): fix buffer-overflow and NUL terminate it

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Hiltjo Posthuma 2017-07-22 12:29:58 +02:00 committed by Laslo Hunhold
parent 8ec042a1ba
commit c20aa17ae8
1 changed files with 2 additions and 1 deletions
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3
quark.c
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@ -141,7 +141,7 @@ encode(char src[PATH_MAX], char dest[PATH_MAX])
size_t i; size_t i;
char *s; char *s;
for (s = src, i = 0; *s; s++) { for (s = src, i = 0; *s && i < (PATH_MAX - 4); s++) {
if (iscntrl(*s) || (unsigned char)*s > 127) { if (iscntrl(*s) || (unsigned char)*s > 127) {
i += snprintf(dest + i, PATH_MAX - i, "%%%02X", i += snprintf(dest + i, PATH_MAX - i, "%%%02X",
(unsigned char)*s); (unsigned char)*s);
@ -150,6 +150,7 @@ encode(char src[PATH_MAX], char dest[PATH_MAX])
i++; i++;
} }
} }
dest[i] = '\0';
} }
static enum status static enum status