FreeCalypso > hg > freecalypso-tools

annotate libpwon/readconf.c @ 826:c4dafcc61cf7

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ringtools/examples/rising-chrom.pwt: PWT melody test
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 30 May 2021 18:47:12 +0000
parents 7d1df6d831e4
children ab54957dbe35
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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571
41b3e010808d libpwon started, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 #include <ctype.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <string.h>
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5 #include <strings.h>
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6
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7 static char conf_file_pathname[] = "/opt/freecalypso/bootctrl.conf";
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8
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9 #define MAX_BOOTCTRL_CONF_LINE 510
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10
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11 char bootctrl_pwon_cmd[MAX_BOOTCTRL_CONF_LINE+1];
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12
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13 find_bootctrl_entry(soughtname)
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14 char *soughtname;
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15 {
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16 FILE *inf;
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17 char linebuf[MAX_BOOTCTRL_CONF_LINE+2];
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18 int lineno;
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19 char *cp, *np;
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20
736
7d1df6d831e4 libpwon: added -Pdtr and -Prts support for DUART28C
Mychaela Falconia <falcon@freecalypso.org>
parents: 571
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21 if (bootctrl_check_duart28c(soughtname))
7d1df6d831e4 libpwon: added -Pdtr and -Prts support for DUART28C
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22 return(0);
571
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23 inf = fopen(conf_file_pathname, "r");
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24 if (!inf) {
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25 perror(conf_file_pathname);
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26 return(-1);
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27 }
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28 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
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29 cp = index(linebuf, '\n');
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30 if (!cp) {
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31 fprintf(stderr,
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32 "%s line %d: too long or missing newline\n",
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33 conf_file_pathname, lineno);
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34 fclose(inf);
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35 return(-1);
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36 }
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37 *cp = '\0';
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38 for (cp = linebuf; isspace(*cp); cp++)
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39 ;
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40 if (*cp == '\0' || *cp == '#')
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41 continue;
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42 for (np = cp; *cp && !isspace(*cp); cp++)
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43 ;
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44 if (!*cp) {
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45 invalid_syntax: fprintf(stderr, "%s line %d: invalid syntax\n",
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46 conf_file_pathname, lineno);
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47 fclose(inf);
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48 return(-1);
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49 }
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50 *cp++ = '\0';
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51 while (isspace(*cp))
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52 cp++;
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53 if (*cp == '\0' || *cp == '#')
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54 goto invalid_syntax;
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55 if (!strcmp(np, soughtname)) {
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56 strcpy(bootctrl_pwon_cmd, cp);
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57 fclose(inf);
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58 return(0);
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59 }
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60 }
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61 fclose(inf);
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62 fprintf(stderr, "error: no \"%s\" entry found in %s\n", soughtname,
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63 conf_file_pathname);
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64 return(-1);
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65 }