aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

Data update

Browse source
This commit is contained in:
Ingy döt Net 2026-04-30 12:34:36 -04:00
parent 4bb20c9b71
commit cbaf4c4b64
12390 changed files with 318560 additions and 27248 deletions
Download patch file Download diff file Expand all files Collapse all files

42
Task/URL-decoding/C/url-decoding.c
View file

@ -3,38 +3,38 @@
inline int ishex(int x)
{
return (x >= '0' && x <= '9') ||
(x >= 'a' && x <= 'f') ||
(x >= 'A' && x <= 'F');
return (x >= '0' && x <= '9') ||
(x >= 'a' && x <= 'f') ||
(x >= 'A' && x <= 'F');
}
int decode(const char *s, char *dec)
{
char *o;
const char *end = s + strlen(s);
int c;
char *o;
const char *end = s + strlen(s);
int c;
for (o = dec; s <= end; o++) {
c = *s++;
if (c == '+') c = ' ';
else if (c == '%' && ( !ishex(*s++) ||
!ishex(*s++) ||
!sscanf(s - 2, "%2x", &c)))
return -1;
for (o = dec; s <= end; o++) {
c = *s++;
if (c == '+') c = ' ';
else if (c == '%' && ( !ishex(*s++) ||
!ishex(*s++) ||
!sscanf(s - 2, "%2x", &c)))
return -1;
if (dec) *o = c;
}
if (dec) *o = c;
}
return o - dec;
return o - dec;
}
int main()
{
const char *url = "http%3A%2F%2ffoo+bar%2fabcd";
char out[strlen(url) + 1];
const char *url = "http%3A%2F%2ffoo+bar%2fabcd";
char out[strlen(url) + 1];
printf("length: %d\n", decode(url, 0));
puts(decode(url, out) < 0 ? "bad string" : out);
printf("length: %d\n", decode(url, 0));
puts(decode(url, out) < 0 ? "bad string" : out);
return 0;
return 0;
}