FreeCalypso > hg > freecalypso-tools

annotate libpwon/readconf.c @ 999:30fad2b3afd2

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doc/Flash-write-protection: document flash lock-state retrieval
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 04 Dec 2023 20:40:50 +0000
parents ab54957dbe35
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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571
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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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ab54957dbe35 libpwon: implement -Petmoff mode
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12 int bootctrl_etmoff_mode;
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13
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14 find_bootctrl_entry(soughtname)
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15 char *soughtname;
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16 {
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17 FILE *inf;
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18 char linebuf[MAX_BOOTCTRL_CONF_LINE+2];
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19 int lineno;
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20 char *cp, *np;
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21
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22 if (bootctrl_check_duart28c(soughtname))
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23 return(0);
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24 if (!strcmp(soughtname, "etmoff")) {
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25 bootctrl_etmoff_mode = 1;
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26 return(0);
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27 }
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28 inf = fopen(conf_file_pathname, "r");
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29 if (!inf) {
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30 perror(conf_file_pathname);
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31 return(-1);
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32 }
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33 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
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34 cp = index(linebuf, '\n');
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35 if (!cp) {
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36 fprintf(stderr,
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37 "%s line %d: too long or missing newline\n",
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38 conf_file_pathname, lineno);
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39 fclose(inf);
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40 return(-1);
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41 }
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42 *cp = '\0';
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43 for (cp = linebuf; isspace(*cp); cp++)
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44 ;
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45 if (*cp == '\0' || *cp == '#')
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46 continue;
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47 for (np = cp; *cp && !isspace(*cp); cp++)
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48 ;
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49 if (!*cp) {
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50 invalid_syntax: fprintf(stderr, "%s line %d: invalid syntax\n",
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51 conf_file_pathname, lineno);
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52 fclose(inf);
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53 return(-1);
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54 }
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55 *cp++ = '\0';
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56 while (isspace(*cp))
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57 cp++;
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58 if (*cp == '\0' || *cp == '#')
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59 goto invalid_syntax;
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60 if (!strcmp(np, soughtname)) {
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61 strcpy(bootctrl_pwon_cmd, cp);
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62 fclose(inf);
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63 return(0);
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64 }
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65 }
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66 fclose(inf);
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67 fprintf(stderr, "error: no \"%s\" entry found in %s\n", soughtname,
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68 conf_file_pathname);
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69 return(-1);
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70 }