mirror of
https://github.com/EnterpriseDB/repmgr.git
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102 lines
1.8 KiB
C
102 lines
1.8 KiB
C
/*
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* config.c
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* Copyright (c) 2ndQuadrant, 2010
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*
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* Functions to parse the config file
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*/
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#include "repmgr.h"
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#define MAXLINELENGTH 4096
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void
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parse_config(const char *config_file, char *cluster_name, int *node, char *conninfo)
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{
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char *s, buff[MAXLINELENGTH];
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char name[MAXLEN];
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char value[MAXLEN];
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FILE *fp = fopen (config_file, "r");
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if (fp == NULL)
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return;
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/* Read next line */
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while ((s = fgets (buff, sizeof buff, fp)) != NULL)
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{
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/* Skip blank lines and comments */
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if (buff[0] == '\n' || buff[0] == '#')
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continue;
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/* Parse name/value pair from line */
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parse_line(buff, name, value);
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/* Copy into correct entry in parameters struct */
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if (strcmp(name, "cluster") == 0)
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strncpy (cluster_name, value, MAXLEN);
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else if (strcmp(name, "node") == 0)
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*node = atoi(value);
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else if (strcmp(name, "conninfo") == 0)
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strncpy (conninfo, value, MAXLEN);
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else
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printf ("WARNING: %s/%s: Unknown name/value pair!\n", name, value);
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}
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/* Close file */
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fclose (fp);
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}
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char *
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trim (char *s)
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{
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/* Initialize start, end pointers */
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char *s1 = s, *s2 = &s[strlen (s) - 1];
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/* Trim and delimit right side */
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while ( (isspace (*s2)) && (s2 >= s1) )
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--s2;
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*(s2+1) = '\0';
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/* Trim left side */
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while ( (isspace (*s1)) && (s1 < s2) )
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++s1;
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/* Copy finished string */
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strcpy (s, s1);
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return s;
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}
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void
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parse_line(char *buff, char *name, char *value)
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{
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int i = 0;
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int j = 0;
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/*
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* first we find the name of the parameter
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*/
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for ( ; i < MAXLEN; ++i)
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{
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if (buff[i] != '=')
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name[j++] = buff[i];
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else
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break;
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}
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name[j] = '\0';
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/*
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* Now the value
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*/
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j = 0;
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for ( ++i ; i < MAXLEN; ++i)
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if (buff[i] == '\'')
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continue;
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else if (buff[i] != '\n')
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value[j++] = buff[i];
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else
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break;
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value[j] = '\0';
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trim(value);
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}
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