mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-08-25 08:28:56 +00:00
78 lines
1.3 KiB
C
78 lines
1.3 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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static FILE *fff;
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static void find_address(char *symbol_name, int routine_offset) {
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unsigned int addr=0;
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char string[BUFSIZ],*result;
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char temp_name[BUFSIZ];
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strncpy(temp_name,symbol_name,BUFSIZ);
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strncat(temp_name,":",2);
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while(1) {
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result=fgets(string,BUFSIZ,fff);
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if (result==NULL) {
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fprintf(stderr,"Error: %s not found!\n",symbol_name);
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exit(-1);
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}
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result=strstr(string,temp_name);
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if (result!=NULL) {
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string[6]=0;
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sscanf(string,"%x",&addr);
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break;
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}
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}
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printf("%s\t=$%04x\n",symbol_name,addr+routine_offset);
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}
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int main(int argc, char **argv) {
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int c;
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char *filename;
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char symbol[BUFSIZ];
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int routine_offset=0xd000;
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while ( (c=getopt(argc, argv, "a:s:") ) != -1) {
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switch(c) {
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case 'a':
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routine_offset=strtol(optarg, NULL, 0);
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break;
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case 's':
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strncpy(symbol,optarg,BUFSIZ-1);
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break;
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default:
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fprintf(stderr,"Unknown option %c\n",c);
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exit(-1);
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break;
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}
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}
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filename=strdup(argv[optind]);
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fff=fopen(filename,"r");
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if (fff==NULL) {
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fprintf(stderr,"ERROR! could not open %s\n",filename);
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return -1;
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}
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find_address(symbol,routine_offset);
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fclose(fff);
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return 0;
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}
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