FreeCalypso > hg > freecalypso-tools
view loadtools/lthelp.c @ 416:30f6d1c32c6f
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 | e7502631a0f9 |
children | 464a531122ab |
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/* * This module implements the loadtool help facility. */ #include <stdio.h> #include <ctype.h> #include <string.h> #include <strings.h> #include <stdlib.h> extern char loadtool_help_file[]; loadtool_help(topic) char *topic; { FILE *f; char linebuf[256]; char *cp, *np; int flag; f = fopen(loadtool_help_file, "r"); if (!f) { perror(loadtool_help_file); return(-1); } for (;;) { if (!fgets(linebuf, sizeof linebuf, f)) { fprintf(stderr, "Help topic \"%s\" not found\n", topic); fclose(f); return(-1); } if (linebuf[0] != '=' || linebuf[1] != '=' || linebuf[2] != '=') continue; for (cp = linebuf + 3; isspace(*cp); cp++) ; for (np = cp; *cp && !isspace(*cp); cp++) ; if (*cp) *cp++ = '\0'; if (!strcmp(np, topic)) break; } for (flag = 0; fgets(linebuf, sizeof linebuf, f); ) { if (linebuf[0] == '=' && linebuf[1] == '=' && linebuf[2] == '=') { if (flag) break; else continue; } fputs(linebuf, stdout); flag = 1; } fclose(f); return(0); } cmd_help(argc, argv) char **argv; { char flashtopic[32]; switch (argc) { case 1: return loadtool_help("main"); case 2: return loadtool_help(argv[1]); case 3: if ((!strcmp(argv[1], "flash") || !strcmp(argv[1], "flash2")) && strlen(argv[2]) <= 20) { sprintf(flashtopic, "flash:%s", argv[2]); return loadtool_help(flashtopic); } fprintf(stderr, "No such help topic\n"); return(-1); default: fprintf(stderr, "internal error in cmd_help(): bad argc\n"); abort(); } }