gitweb.ps.run Git - ps-cgit/blob - config.c

   1 #include "cgit.h"
   2
   3 int next_char(FILE *f)
   4 {
   5         int c = fgetc(f);
   6         if (c=='\r') {
   7                 c = fgetc(f);
   8                 if (c!='\n') {
   9                         ungetc(c, f);
  10                         c = '\r';
  11                 }
  12         }
  13         return c;
  14 }
  15
  16 void skip_line(FILE *f)
  17 {
  18         int c;
  19
  20         while((c=next_char(f)) && c!='\n' && c!=EOF)
  21                 ;
  22 }
  23
  24 int read_config_line(FILE *f, char *line, const char **value, int bufsize)
  25 {
  26         int i = 0, isname = 0;
  27
  28         *value = NULL;
  29         while(i<bufsize-1) {
  30                 int c = next_char(f);
  31                 if (!isname && (c=='#' || c==';')) {
  32                         skip_line(f);
  33                         continue;
  34                 }
  35                 if (!isname && isspace(c))
  36                         continue;
  37
  38                 if (c=='=' && !*value) {
  39                         line[i] = 0;
  40                         *value = &line[i+1];
  41                 } else if (c=='\n' && !isname) {
  42                         i = 0;
  43                         continue;
  44                 } else if (c=='\n' || c==EOF) {
  45                         line[i] = 0;
  46                         break;
  47                 } else {
  48                         line[i]=c;
  49                 }
  50                 isname = 1;
  51                 i++;
  52         }
  53         line[i+1] = 0;
  54         return i;
  55 }
  56
  57 int cgit_read_config(const char *filename, configfn fn)
  58 {
  59         int ret = 0, len;
  60         char line[256];
  61         const char *value;
  62         FILE *f = fopen(filename, "r");
  63
  64         if (!f)
  65                 return -1;
  66
  67         while((len = read_config_line(f, line, &value, sizeof(line))) > 0)
  68                 (*fn)(line, value);
  69
  70         fclose(f);
  71         return ret;
  72 }
  73