LCOV - differential code coverage report
Current view: top level - src/fe_utils - option_utils.c (source / functions) Coverage Total Hit CBC
Current: Differential Code Coverage HEAD vs 15 Lines: 100.0 % 23 23 23
Current Date: 2023-04-08 15:15:32 Functions: 100.0 % 2 2 2
Baseline: 15
Baseline Date: 2023-04-08 15:09:40
Legend: Lines: hit not hit

           TLA  Line data    Source code
       1                 : /*-------------------------------------------------------------------------
       2                 :  *
       3                 :  * Command line option processing facilities for frontend code
       4                 :  *
       5                 :  * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
       6                 :  * Portions Copyright (c) 1994, Regents of the University of California
       7                 :  *
       8                 :  * src/fe_utils/option_utils.c
       9                 :  *
      10                 :  *-------------------------------------------------------------------------
      11                 :  */
      12                 : 
      13                 : #include "postgres_fe.h"
      14                 : 
      15                 : #include "common/logging.h"
      16                 : #include "common/string.h"
      17                 : #include "fe_utils/option_utils.h"
      18                 : 
      19                 : /*
      20                 :  * Provide strictly harmonized handling of --help and --version
      21                 :  * options.
      22                 :  */
      23                 : void
      24 CBC         225 : handle_help_version_opts(int argc, char *argv[],
      25                 :                          const char *fixed_progname, help_handler hlp)
      26                 : {
      27             225 :     if (argc > 1)
      28                 :     {
      29             223 :         if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
      30                 :         {
      31               9 :             hlp(get_progname(argv[0]));
      32               9 :             exit(0);
      33                 :         }
      34             214 :         if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
      35                 :         {
      36              11 :             printf("%s (PostgreSQL) " PG_VERSION "\n", fixed_progname);
      37              11 :             exit(0);
      38                 :         }
      39                 :     }
      40             205 : }
      41                 : 
      42                 : /*
      43                 :  * option_parse_int
      44                 :  *
      45                 :  * Parse integer value for an option.  If the parsing is successful, returns
      46                 :  * true and stores the result in *result if that's given; if parsing fails,
      47                 :  * returns false.
      48                 :  */
      49                 : bool
      50             182 : option_parse_int(const char *optarg, const char *optname,
      51                 :                  int min_range, int max_range,
      52                 :                  int *result)
      53                 : {
      54                 :     char       *endptr;
      55                 :     int         val;
      56                 : 
      57             182 :     errno = 0;
      58             182 :     val = strtoint(optarg, &endptr, 10);
      59                 : 
      60                 :     /*
      61                 :      * Skip any trailing whitespace; if anything but whitespace remains before
      62                 :      * the terminating character, fail.
      63                 :      */
      64             183 :     while (*endptr != '\0' && isspace((unsigned char) *endptr))
      65               1 :         endptr++;
      66                 : 
      67             182 :     if (*endptr != '\0')
      68                 :     {
      69               5 :         pg_log_error("invalid value \"%s\" for option %s",
      70                 :                      optarg, optname);
      71               5 :         return false;
      72                 :     }
      73                 : 
      74             177 :     if (errno == ERANGE || val < min_range || val > max_range)
      75                 :     {
      76              11 :         pg_log_error("%s must be in range %d..%d",
      77                 :                      optname, min_range, max_range);
      78              11 :         return false;
      79                 :     }
      80                 : 
      81             166 :     if (result)
      82             160 :         *result = val;
      83             166 :     return true;
      84                 : }
        

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