-rw-r--r-- | html.c | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -227,45 +227,46 @@ int html_include(const char *filename) } int hextoint(char c) { if (c >= 'a' && c <= 'f') return 10 + c - 'a'; else if (c >= 'A' && c <= 'F') return 10 + c - 'A'; else if (c >= '0' && c <= '9') return c - '0'; else return -1; } char *convert_query_hexchar(char *txt) { - int d1, d2; - if (strlen(txt) < 3) { + int d1, d2, n; + n = strlen(txt); + if (n < 3) { *txt = '\0'; return txt-1; } d1 = hextoint(*(txt+1)); d2 = hextoint(*(txt+2)); if (d1<0 || d2<0) { - strcpy(txt, txt+3); + memmove(txt, txt+3, n-3); return txt-1; } else { *txt = d1 * 16 + d2; - strcpy(txt+1, txt+3); + memmove(txt+1, txt+3, n-2); return txt; } } int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) { char *t, *value = NULL, c; if (!txt) return 0; t = txt = strdup(txt); if (t == NULL) { printf("Out of memory\n"); exit(1); } |