| -rw-r--r-- | html.c | 34 |
1 files changed, 17 insertions, 17 deletions
@@ -1,291 +1,291 @@ /* html.c: helper functions for html output * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include <errno.h> int htmlfd = STDOUT_FILENO; char *fmt(const char *format, ...) { static char buf[8][1024]; static int bufidx; int len; va_list args; bufidx++; bufidx &= 7; va_start(args, format); len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args); va_end(args); if (len>sizeof(buf[bufidx])) { fprintf(stderr, "[html.c] string truncated: %s\n", format); exit(1); } return buf[bufidx]; } void html_raw(const char *data, size_t size) { write(htmlfd, data, size); } void html(const char *txt) { write(htmlfd, txt, strlen(txt)); } void htmlf(const char *format, ...) { static char buf[65536]; va_list args; va_start(args, format); vsnprintf(buf, sizeof(buf), format, args); va_end(args); html(buf); } void html_status(int code, const char *msg, int more_headers) { htmlf("Status: %d %s\n", code, msg); if (!more_headers) html("\n"); } -void html_txt(char *txt) +void html_txt(const char *txt) { - char *t = txt; + const char *t = txt; while(t && *t){ int c = *t; if (c=='<' || c=='>' || c=='&') { write(htmlfd, txt, t - txt); if (c=='>') html(">"); else if (c=='<') html("<"); else if (c=='&') html("&"); txt = t+1; } t++; } if (t!=txt) html(txt); } -void html_ntxt(int len, char *txt) +void html_ntxt(int len, const char *txt) { - char *t = txt; + const char *t = txt; while(t && *t && len--){ int c = *t; if (c=='<' || c=='>' || c=='&') { write(htmlfd, txt, t - txt); if (c=='>') html(">"); else if (c=='<') html("<"); else if (c=='&') html("&"); txt = t+1; } t++; } if (t!=txt) write(htmlfd, txt, t - txt); if (len<0) html("..."); } -void html_attr(char *txt) +void html_attr(const char *txt) { - char *t = txt; + const char *t = txt; while(t && *t){ int c = *t; if (c=='<' || c=='>' || c=='\'' || c=='\"') { write(htmlfd, txt, t - txt); if (c=='>') html(">"); else if (c=='<') html("<"); else if (c=='\'') html("'"); else if (c=='"') html("""); txt = t+1; } t++; } if (t!=txt) html(txt); } -void html_url_path(char *txt) +void html_url_path(const char *txt) { - char *t = txt; + const char *t = txt; while(t && *t){ int c = *t; if (c=='"' || c=='#' || c=='\'' || c=='?') { write(htmlfd, txt, t - txt); write(htmlfd, fmt("%%%2x", c), 3); txt = t+1; } t++; } if (t!=txt) html(txt); } -void html_url_arg(char *txt) +void html_url_arg(const char *txt) { - char *t = txt; + const char *t = txt; while(t && *t){ int c = *t; if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') { write(htmlfd, txt, t - txt); write(htmlfd, fmt("%%%2x", c), 3); txt = t+1; } t++; } if (t!=txt) html(txt); } -void html_hidden(char *name, char *value) +void html_hidden(const char *name, const char *value) { html("<input type='hidden' name='"); html_attr(name); html("' value='"); html_attr(value); html("'/>"); } -void html_option(char *value, char *text, char *selected_value) +void html_option(const char *value, const char *text, const char *selected_value) { html("<option value='"); html_attr(value); html("'"); if (selected_value && !strcmp(selected_value, value)) html(" selected='selected'"); html(">"); html_txt(text); html("</option>\n"); } -void html_link_open(char *url, char *title, char *class) +void html_link_open(const char *url, const char *title, const char *class) { html("<a href='"); html_attr(url); if (title) { html("' title='"); html_attr(title); } if (class) { html("' class='"); html_attr(class); } html("'>"); } void html_link_close(void) { html("</a>"); } void html_fileperm(unsigned short mode) { htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-')); } int html_include(const char *filename) { FILE *f; char buf[4096]; size_t len; if (!(f = fopen(filename, "r"))) { fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n", filename, strerror(errno), errno); return -1; } while((len = fread(buf, 1, 4096, f)) > 0) write(htmlfd, buf, len); 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)) +int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value)) { - char *t, *value = NULL, c; + char *t, *txt, *value = NULL, c; - if (!txt) + if (!txt_) return 0; - t = txt = strdup(txt); + 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; } |