Unidiff1 files changed, 64 insertions, 0 deletions
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diff --git a/html.c b/html.c index 0962e71..98ffaf9 100644 --- a/ html.c+++ b/ html.c |
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@@ -186,2 +186,66 @@ int html_include(const char *filename) |
186 | return 0; |
186 | return 0; |
187 | } |
187 | } |
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188 | |
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189 | int hextoint(char c) |
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190 | { |
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191 | if (c >= 'a' && c <= 'f') |
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192 | return 10 + c - 'a'; |
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193 | else if (c >= 'A' && c <= 'F') |
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194 | return 10 + c - 'A'; |
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195 | else if (c >= '0' && c <= '9') |
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196 | return c - '0'; |
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197 | else |
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198 | return -1; |
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199 | } |
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200 | |
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201 | char *convert_query_hexchar(char *txt) |
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202 | { |
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203 | int d1, d2; |
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204 | if (strlen(txt) < 3) { |
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205 | *txt = '\0'; |
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206 | return txt-1; |
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207 | } |
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208 | d1 = hextoint(*(txt+1)); |
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209 | d2 = hextoint(*(txt+2)); |
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210 | if (d1<0 || d2<0) { |
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211 | strcpy(txt, txt+3); |
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212 | return txt-1; |
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213 | } else { |
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214 | *txt = d1 * 16 + d2; |
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215 | strcpy(txt+1, txt+3); |
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216 | return txt; |
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217 | } |
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218 | } |
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219 | |
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220 | int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) |
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221 | { |
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222 | char *t, *value = NULL, c; |
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223 | |
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224 | if (!txt) |
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225 | return 0; |
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226 | |
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227 | t = txt = strdup(txt); |
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228 | if (t == NULL) { |
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229 | printf("Out of memory\n"); |
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230 | exit(1); |
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231 | } |
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232 | while((c=*t) != '\0') { |
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233 | if (c=='=') { |
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234 | *t = '\0'; |
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235 | value = t+1; |
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236 | } else if (c=='+') { |
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237 | *t = ' '; |
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238 | } else if (c=='%') { |
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239 | t = convert_query_hexchar(t); |
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240 | } else if (c=='&') { |
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241 | *t = '\0'; |
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242 | (*fn)(txt, value); |
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243 | txt = t+1; |
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244 | value = NULL; |
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245 | } |
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246 | t++; |
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247 | } |
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248 | if (t!=txt) |
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249 | (*fn)(txt, value); |
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250 | return 0; |
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251 | } |
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