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annotate librftab/rdcommon.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents a0f79bba0ad8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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a0f79bba0ad8 librftab: reading of Tx ramp template files split from rftablerd module
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1 /*
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2 * This C file is not a compilation unit in itself, but is the common piece
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3 * (a set of static variables and functions) included in the librftab modules
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4 * responsible for reading different kinds of ASCII tables.
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5 */
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6
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7 #define MAX_FIELDS_PER_LINE 64
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8
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9 static char *filename;
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10 static FILE *rdfile;
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11 static unsigned lineno;
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12 static char linebuf[256], *line_fields[MAX_FIELDS_PER_LINE];
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13 static unsigned line_nfields, line_field_ptr;
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14
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15 static int
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16 read_line()
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17 {
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18 char *cp;
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19
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20 if (!fgets(linebuf, sizeof linebuf, rdfile))
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21 return(0);
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22 lineno++;
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23 cp = linebuf;
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24 for (line_nfields = 0; ; ) {
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25 while (isspace(*cp))
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26 cp++;
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27 if (*cp == '\0' || *cp == '#')
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28 break;
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29 if (line_nfields >= MAX_FIELDS_PER_LINE) {
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30 printf("%s line %d: too many fields on one line\n",
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31 filename, lineno);
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32 return(-1);
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33 }
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34 line_fields[line_nfields++] = cp;
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35 while (*cp && !isspace(*cp))
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36 cp++;
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37 if (*cp)
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38 *cp++ = '\0';
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39 }
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40 return(1);
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41 }
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42
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43 static
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44 get_field(retp)
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45 char **retp;
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46 {
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47 int rc;
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48
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49 if (line_field_ptr < line_nfields) {
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50 *retp = line_fields[line_field_ptr++];
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51 return(1);
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52 }
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53 do {
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54 rc = read_line();
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55 if (rc <= 0)
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56 return(rc);
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57 } while (!line_nfields);
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58 *retp = line_fields[0];
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59 line_field_ptr = 1;
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60 return(1);
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61 }