parse_flags.c

  1 #include "config.h"
  2 
  3 #include <stdio.h>
  4 #include <string.h>
  5 
  6 #include "json.h"
  7 #include "parse_flags.h"
  8 
  9 #if !defined(HAVE_STRCASECMP) && defined(_MSC_VER)
 10 #define strcasecmp _stricmp
 11 #elif !defined(HAVE_STRCASECMP)
 12 #error You do not have strcasecmp on your system.
 13 #endif /* HAVE_STRNCASECMP */
 14 
 15 static struct
 16 {
 17         const char *arg;
 18         int flag;
 19 } format_args[] = {
 20     {"plain", JSON_C_TO_STRING_PLAIN},
 21     {"spaced", JSON_C_TO_STRING_SPACED},
 22     {"pretty", JSON_C_TO_STRING_PRETTY},
 23     {"pretty_tab", JSON_C_TO_STRING_PRETTY_TAB},
 24 };
 25 
 26 #ifndef NELEM
 27 #define NELEM(x) (sizeof(x) / sizeof(x[0]))
 28 #endif
 29 
 30 int parse_flags(int argc, char **argv)
 31 {
 32         int arg_idx;
 33         int sflags = 0;
 34         for (arg_idx = 1; arg_idx < argc; arg_idx++)
 35         {
 36                 int jj;
 37                 for (jj = 0; jj < (int)NELEM(format_args); jj++)
 38                 {
 39                         if (strcasecmp(argv[arg_idx], format_args[jj].arg) == 0)
 40                         {
 41                                 sflags |= format_args[jj].flag;
 42                                 break;
 43                         }
 44                 }
 45                 if (jj == NELEM(format_args))
 46                 {
 47                         printf("Unknown arg: %s\n", argv[arg_idx]);
 48                         exit(1);
 49                 }
 50         }
 51         return sflags;
 52 }
 53
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Sources/json-c/tests/parse_flags.c
