LCOV - differential code coverage report
Current view: top level - src/backend/tsearch - ts_locale.c (source / functions) Coverage Total Hit LBC UBC CBC EUB ECB
Current: 0e5ff9b9b45a657aea12440478dc002e9b01f138 vs 0123ce131fca454009439dfa3b2266d1d40737d7 Lines: 77.5 % 40 31 9 31
Current Date: 2026-03-14 14:10:32 -0400 Functions: 58.3 % 12 7 5 7
Baseline: lcov-20260315-024220-baseline Branches: 61.1 % 18 11 1 6 11 3 1
Baseline Date: 2026-03-14 15:27:56 +0100 Line coverage date bins:
Legend: Lines:     hit not hit
Branches: + taken - not taken # not executed
(30,360] days: 100.0 % 2 2 2
(360..) days: 76.3 % 38 29 9 29
Function coverage date bins:
(30,360] days: 50.0 % 8 4 4 4
(360..) days: 75.0 % 4 3 1 3
Branch coverage date bins:
(30,360] days: 25.0 % 8 2 1 1 2 3 1
(360..) days: 64.3 % 14 9 5 9

 Age         Owner                    Branch data    TLA  Line data    Source code
                                  1                 :                : /*-------------------------------------------------------------------------
                                  2                 :                :  *
                                  3                 :                :  * ts_locale.c
                                  4                 :                :  *      locale compatibility layer for tsearch
                                  5                 :                :  *
                                  6                 :                :  * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
                                  7                 :                :  *
                                  8                 :                :  *
                                  9                 :                :  * IDENTIFICATION
                                 10                 :                :  *    src/backend/tsearch/ts_locale.c
                                 11                 :                :  *
                                 12                 :                :  *-------------------------------------------------------------------------
                                 13                 :                :  */
                                 14                 :                : #include "postgres.h"
                                 15                 :                : 
                                 16                 :                : #include "common/string.h"
                                 17                 :                : #include "storage/fd.h"
                                 18                 :                : #include "tsearch/ts_locale.h"
                                 19                 :                : 
                                 20                 :                : static void tsearch_readline_callback(void *arg);
                                 21                 :                : 
                                 22                 :                : 
                                 23                 :                : /* space for a single character plus a trailing NUL */
                                 24                 :                : #define WC_BUF_LEN  2
                                 25                 :                : 
                                 26                 :                : #define GENERATE_T_ISCLASS_DEF(character_class) \
                                 27                 :                : /* mblen shall be that of the first character */ \
                                 28                 :                : int \
                                 29                 :                : t_is##character_class##_with_len(const char *ptr, int mblen) \
                                 30                 :                : { \
                                 31                 :                :     pg_wchar    wstr[WC_BUF_LEN]; \
                                 32                 :                :     int         wlen pg_attribute_unused(); \
                                 33                 :                :     wlen = pg_mb2wchar_with_len(ptr, wstr, mblen); \
                                 34                 :                :     Assert(wlen <= 1); \
                                 35                 :                :     /* pass single character, or NUL if empty */ \
                                 36                 :                :     return pg_isw##character_class(wstr[0], pg_database_locale()); \
                                 37                 :                : } \
                                 38                 :                : \
                                 39                 :                : /* ptr shall point to a NUL-terminated string */ \
                                 40                 :                : int \
                                 41                 :                : t_is##character_class##_cstr(const char *ptr) \
                                 42                 :                : { \
                                 43                 :                :     return t_is##character_class##_with_len(ptr, pg_mblen_cstr(ptr)); \
                                 44                 :                : } \
                                 45                 :                : /* ptr shall point to a string with pre-validated encoding */ \
                                 46                 :                : int \
                                 47                 :                : t_is##character_class##_unbounded(const char *ptr) \
                                 48                 :                : { \
                                 49                 :                :     return t_is##character_class##_with_len(ptr, pg_mblen_unbounded(ptr)); \
                                 50                 :                : } \
                                 51                 :                : /* historical name for _unbounded */ \
                                 52                 :                : int \
                                 53                 :                : t_is##character_class(const char *ptr) \
                                 54                 :                : { \
                                 55                 :                :     return t_is##character_class##_unbounded(ptr); \
                                 56                 :                : }
                                 57                 :                : 
   67 tmunro@postgresql.or       58   [ -  +  -  + ]:CBC     1652937 : GENERATE_T_ISCLASS_DEF(alnum)
                                 59   [ -  +  -  - ]:          10284 : GENERATE_T_ISCLASS_DEF(alpha)
                                 60                 :                : 
                                 61                 :                : /*
                                 62                 :                :  * Set up to read a file using tsearch_readline().  This facility is
                                 63                 :                :  * better than just reading the file directly because it provides error
                                 64                 :                :  * context pointing to the specific line where a problem is detected.
                                 65                 :                :  *
                                 66                 :                :  * Expected usage is:
                                 67                 :                :  *
                                 68                 :                :  *      tsearch_readline_state trst;
                                 69                 :                :  *
                                 70                 :                :  *      if (!tsearch_readline_begin(&trst, filename))
                                 71                 :                :  *          ereport(ERROR,
                                 72                 :                :  *                  (errcode(ERRCODE_CONFIG_FILE_ERROR),
                                 73                 :                :  *                   errmsg("could not open stop-word file \"%s\": %m",
                                 74                 :                :  *                          filename)));
                                 75                 :                :  *      while ((line = tsearch_readline(&trst)) != NULL)
                                 76                 :                :  *          process line;
                                 77                 :                :  *      tsearch_readline_end(&trst);
                                 78                 :                :  *
                                 79                 :                :  * Note that the caller supplies the ereport() for file open failure;
                                 80                 :                :  * this is so that a custom message can be provided.  The filename string
                                 81                 :                :  * passed to tsearch_readline_begin() must remain valid through
                                 82                 :                :  * tsearch_readline_end().
                                 83                 :                :  */
                                 84                 :                : bool
 6479 tgl@sss.pgh.pa.us          85                 :            281 : tsearch_readline_begin(tsearch_readline_state *stp,
                                 86                 :                :                        const char *filename)
                                 87                 :                : {
                                 88         [ -  + ]:            281 :     if ((stp->fp = AllocateFile(filename, "r")) == NULL)
 6479 tgl@sss.pgh.pa.us          89                 :UBC           0 :         return false;
 6479 tgl@sss.pgh.pa.us          90                 :CBC         281 :     stp->filename = filename;
                                 91                 :            281 :     stp->lineno = 0;
 1999                            92                 :            281 :     initStringInfo(&stp->buf);
 6479                            93                 :            281 :     stp->curline = NULL;
                                 94                 :                :     /* Setup error traceback support for ereport() */
                                 95                 :            281 :     stp->cb.callback = tsearch_readline_callback;
  472 peter@eisentraut.org       96                 :            281 :     stp->cb.arg = stp;
 6479 tgl@sss.pgh.pa.us          97                 :            281 :     stp->cb.previous = error_context_stack;
                                 98                 :            281 :     error_context_stack = &stp->cb;
                                 99                 :            281 :     return true;
                                100                 :                : }
                                101                 :                : 
                                102                 :                : /*
                                103                 :                :  * Read the next line from a tsearch data file (expected to be in UTF-8), and
                                104                 :                :  * convert it to database encoding if needed. The returned string is palloc'd.
                                105                 :                :  * NULL return means EOF.
                                106                 :                :  */
                                107                 :                : char *
                                108                 :          13117 : tsearch_readline(tsearch_readline_state *stp)
                                109                 :                : {
                                110                 :                :     char       *recoded;
                                111                 :                : 
                                112                 :                :     /* Advance line number to use in error reports */
                                113                 :          13117 :     stp->lineno++;
                                114                 :                : 
                                115                 :                :     /* Clear curline, it's no longer relevant */
 1999                           116         [ +  + ]:          13117 :     if (stp->curline)
                                117                 :                :     {
                                118         [ -  + ]:          12836 :         if (stp->curline != stp->buf.data)
 1999 tgl@sss.pgh.pa.us         119                 :UBC           0 :             pfree(stp->curline);
 1999 tgl@sss.pgh.pa.us         120                 :CBC       12836 :         stp->curline = NULL;
                                121                 :                :     }
                                122                 :                : 
                                123                 :                :     /* Collect next line, if there is one */
                                124         [ +  + ]:          13117 :     if (!pg_get_line_buf(stp->fp, &stp->buf))
                                125                 :            238 :         return NULL;
                                126                 :                : 
                                127                 :                :     /* Validate the input as UTF-8, then convert to DB encoding if needed */
                                128                 :          12879 :     recoded = pg_any_to_server(stp->buf.data, stp->buf.len, PG_UTF8);
                                129                 :                : 
                                130                 :                :     /* Save the correctly-encoded string for possible error reports */
                                131                 :          12879 :     stp->curline = recoded;      /* might be equal to buf.data */
                                132                 :                : 
                                133                 :                :     /*
                                134                 :                :      * We always return a freshly pstrdup'd string.  This is clearly necessary
                                135                 :                :      * if pg_any_to_server() returned buf.data, and we need a second copy even
                                136                 :                :      * if encoding conversion did occur.  The caller is entitled to pfree the
                                137                 :                :      * returned string at any time, which would leave curline pointing to
                                138                 :                :      * recycled storage, causing problems if an error occurs after that point.
                                139                 :                :      * (It's preferable to return the result of pstrdup instead of the output
                                140                 :                :      * of pg_any_to_server, because the conversion result tends to be
                                141                 :                :      * over-allocated.  Since callers might save the result string directly
                                142                 :                :      * into a long-lived dictionary structure, we don't want it to be a larger
                                143                 :                :      * palloc chunk than necessary.  We'll reclaim the conversion result on
                                144                 :                :      * the next call.)
                                145                 :                :      */
                                146                 :          12879 :     return pstrdup(recoded);
                                147                 :                : }
                                148                 :                : 
                                149                 :                : /*
                                150                 :                :  * Close down after reading a file with tsearch_readline()
                                151                 :                :  */
                                152                 :                : void
 6479                           153                 :            281 : tsearch_readline_end(tsearch_readline_state *stp)
                                154                 :                : {
                                155                 :                :     /* Suppress use of curline in any error reported below */
 1999                           156         [ +  + ]:            281 :     if (stp->curline)
                                157                 :                :     {
                                158         [ -  + ]:             43 :         if (stp->curline != stp->buf.data)
 1999 tgl@sss.pgh.pa.us         159                 :UBC           0 :             pfree(stp->curline);
 1999 tgl@sss.pgh.pa.us         160                 :CBC          43 :         stp->curline = NULL;
                                161                 :                :     }
                                162                 :                : 
                                163                 :                :     /* Release other resources */
                                164                 :            281 :     pfree(stp->buf.data);
 6479                           165                 :            281 :     FreeFile(stp->fp);
                                166                 :                : 
                                167                 :                :     /* Pop the error context stack */
                                168                 :            281 :     error_context_stack = stp->cb.previous;
                                169                 :            281 : }
                                170                 :                : 
                                171                 :                : /*
                                172                 :                :  * Error context callback for errors occurring while reading a tsearch
                                173                 :                :  * configuration file.
                                174                 :                :  */
                                175                 :                : static void
 6479 tgl@sss.pgh.pa.us         176                 :UBC           0 : tsearch_readline_callback(void *arg)
                                177                 :                : {
                                178                 :              0 :     tsearch_readline_state *stp = (tsearch_readline_state *) arg;
                                179                 :                : 
                                180                 :                :     /*
                                181                 :                :      * We can't include the text of the config line for errors that occur
                                182                 :                :      * during tsearch_readline() itself.  The major cause of such errors is
                                183                 :                :      * encoding violations, and we daren't try to print error messages
                                184                 :                :      * containing badly-encoded data.
                                185                 :                :      */
                                186         [ #  # ]:              0 :     if (stp->curline)
                                187                 :              0 :         errcontext("line %d of configuration file \"%s\": \"%s\"",
                                188                 :                :                    stp->lineno,
                                189                 :                :                    stp->filename,
                                190                 :                :                    stp->curline);
                                191                 :                :     else
                                192                 :              0 :         errcontext("line %d of configuration file \"%s\"",
                                193                 :                :                    stp->lineno,
                                194                 :                :                    stp->filename);
                                195                 :              0 : }
        

Generated by: LCOV version 2.4-beta