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- /*
- * Read in makefile
- */
-
- #include <stdio.h>
- #include <ctype.h>
- #include "h.h"
-
- int lineno;
-
- /* DJ: this is the PAMAKE version of getline, which prints the
- make file name as well as the line # (for #include)
-
- Notes for future: This would actually be less kludgey with format().
- Also, 'stderr' has no meaning on Amiga - perhaps open "*"??
- */
-
- /*
- * Syntax error handler. Print message, with line number, and exits.
- */
- void
- error(msg, a1, a2, a3)
- char *msg;
- { fprintf(stderr, "%s: ", myname);
- fprintf(stderr, msg, a1, a2, a3);
- if (lineno)
- fprintf(stderr, " in file %s on line %d", fname[nestlvl], lineno);
- fputc('\n', stderr);
- exit(1);
- }
-
- /* DJ: this is the PAMAKE version of getline. */
-
- /*
- * Read a line into the supplied string of length LZ. Remove
- * comments, ignore blank lines. Deal with quoted (\) #, and
- * quoted newlines. If EOF return TRUE.
- */
-
- bool getline(str) char *str;
- { register char *p;
- char *q;
- char *a;
- int pos = 0;
- FILE *fd;
- FILE *incf;
- int specialhash;
-
- if (nestlvl < 0) return TRUE; /* EOF */
-
- for (;;)
- {
- fd = ifile[nestlvl]; /* file handle in nesting array */
- if (fgets(str+pos, LZ-pos, fd) == (char *)0) /* get a line */
- { /* if we couldn't get a line */
- fclose(fd); /* close file */
- if (nestlvl == 0) { nestlvl--; /* ifeof(); */ return TRUE; } /* finish */
- fln[nestlvl] = 0; /* init line number */
- nestlvl--; /* dec nesting level */
- continue; /* get another line */
- }
- lineno = ++fln[nestlvl]; /* bump line count */
-
- if ((p = strchr(str+pos, '\n')) == (char *)0) /* look for cr */
- error("Input line is too long");
-
- if (p[-1] == '\\')
- {
- /* p[-1] = '\n'; */
- p--; /* added by DJ for AmigaDOS compatability */
- pos = p - str;
- continue;
- }
-
- if (!strncmp(str,"#ifn",4)) specialhash = 2;
- else if (!strncmp(str,"#if",3)) specialhash = 1;
- else if (!strncmp(str,"#else",5)) specialhash = 3;
- else if (!strncmp(str,"#endif",6)) specialhash = 4;
- else if (!strncmp(str,"#include",8)) specialhash = 5;
- else specialhash = 0;
-
- p = str + (specialhash != 0);
- while (((q = strchr(p, '#')) != (char *)0) &&
- (p != q) && (q[-1] == '\\'))
- {
- a = q - 1; /* Del \ chr; move rest back */
- p = q;
- while (*a++ = *q++)
- ;
- }
-
- if (q != (char *)0)
- {
- while ( (q != str) && (isspace(q[-1])) ) q--;
- q[0] = '\n';
- q[1] = '\0';
- }
-
- /* if (ifproc(str,specialhash)) {pos = 0; continue;} */
-
- if (specialhash == 5)
- {
- q = str + 8;
- while (isspace(q[0])) q++;
- if (nestlvl >= 3)
- fatal("Include files nested too deeply");
- a = q + strlen(q) - 1;
- if (*a == '\n') *a = '\0';
- expand(q);
- incf = fopen(q,"r");
- if (incf == (FILE *)0)
- fatal("Unable to open include file %s", q);
- ifile[++nestlvl] = incf;
- strncpy(fname[nestlvl],q,80);
- continue;
- }
-
- p = str;
- while (isspace(*p)) /* Checking for blank */
- p++;
-
- if (*p != '\0')
- return FALSE;
- pos = 0;
- }
- }
-
- /*
- * Get a word from the current line, surounded by white space.
- * return a pointer to it. String returned has no white spaces
- * in it.
- */
- char *gettok(ptr)
- char **ptr;
- { register char *p;
-
- while (isspace(**ptr)) /* Skip spaces */
- (*ptr)++;
-
- if (**ptr == '\0') /* Nothing after spaces */
- return NULL;
-
- p = *ptr; /* word starts here */
-
- while ((**ptr != '\0') && (!isspace(**ptr)))
- (*ptr)++; /* Find end of word */
-
- *(*ptr)++ = '\0'; /* Terminate it */
-
- return(p);
- }
-