FreeCalypso > hg > freecalypso-tools

annotate libpwon/readconf.c @ 619:f82551c77e58

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libserial-newlnx: ASYNC_LOW_LATENCY patch reverted Reports from Das Signal indicate that loadtools performance on Debian is about the same as on Slackware, and that including or omitting the ASYNC_LOW_LATENCY patch from Serg makes no difference. Because the patch in question does not appear to be necessary, it is being reverted until and unless someone other than Serg reports an actual real-world system on which loadtools operation times are slowed compared to the Mother's Slackware reference and on which Slackware-like performance can be restored by setting the ASYNC_LOW_LATENCY flag.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 27 Feb 2020 01:09:48 +0000
parents 41b3e010808d
children 7d1df6d831e4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
571
41b3e010808d libpwon started, compiles
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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
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21 inf = fopen(conf_file_pathname, "r");
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22 if (!inf) {
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23 perror(conf_file_pathname);
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24 return(-1);
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25 }
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26 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
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27 cp = index(linebuf, '\n');
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28 if (!cp) {
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29 fprintf(stderr,
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30 "%s line %d: too long or missing newline\n",
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31 conf_file_pathname, lineno);
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32 fclose(inf);
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33 return(-1);
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34 }
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35 *cp = '\0';
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36 for (cp = linebuf; isspace(*cp); cp++)
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37 ;
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38 if (*cp == '\0' || *cp == '#')
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39 continue;
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40 for (np = cp; *cp && !isspace(*cp); cp++)
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41 ;
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42 if (!*cp) {
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43 invalid_syntax: fprintf(stderr, "%s line %d: invalid syntax\n",
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44 conf_file_pathname, lineno);
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45 fclose(inf);
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46 return(-1);
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47 }
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48 *cp++ = '\0';
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49 while (isspace(*cp))
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50 cp++;
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51 if (*cp == '\0' || *cp == '#')
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52 goto invalid_syntax;
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53 if (!strcmp(np, soughtname)) {
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54 strcpy(bootctrl_pwon_cmd, cp);
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55 fclose(inf);
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56 return(0);
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57 }
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58 }
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59 fclose(inf);
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60 fprintf(stderr, "error: no \"%s\" entry found in %s\n", soughtname,
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61 conf_file_pathname);
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62 return(-1);
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63 }