From e87e89633383b8b75c68c98be3e0c14212109de2 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Tue, 8 Apr 2008 21:11:36 +0200 Subject: Move cgit_parse_query() from parsing.c to html.c as http_parse_querystring() This is a generic http-function. Signed-off-by: Lars Hjemli --- html.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'html.c') diff --git a/html.c b/html.c index 0962e71..98ffaf9 100644 --- a/html.c +++ b/html.c @@ -185,3 +185,67 @@ int html_include(const char *filename) fclose(f); return 0; } + +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) { + *txt = '\0'; + return txt-1; + } + d1 = hextoint(*(txt+1)); + d2 = hextoint(*(txt+2)); + if (d1<0 || d2<0) { + strcpy(txt, txt+3); + return txt-1; + } else { + *txt = d1 * 16 + d2; + strcpy(txt+1, txt+3); + 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); + } + while((c=*t) != '\0') { + if (c=='=') { + *t = '\0'; + value = t+1; + } else if (c=='+') { + *t = ' '; + } else if (c=='%') { + t = convert_query_hexchar(t); + } else if (c=='&') { + *t = '\0'; + (*fn)(txt, value); + txt = t+1; + value = NULL; + } + t++; + } + if (t!=txt) + (*fn)(txt, value); + return 0; +} -- cgit v1.2.1