76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
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#include "global.h"
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/* Possibly rename */
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struct FILE;
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/* Page cursor stack */
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static FILE** hto_page = &refsfound;
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#define PCS_MAXPAGE 16
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static long PCS_pos[PCS_MAXPAGE] = {0};
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static int PCS_top = 0;
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long seekpage(size_t i){
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if(i > PCS_MAXPAGE-1){ return -1; }
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fseek(*hto_page, PCS_pos[PCS_top], SEEK_SET);
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size_t lc = 0;
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while(PCS_top < i){
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const char c = getc(*hto_page);
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if(c == '\n'){ ++lc; }
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if(lc == mdisprefs){
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PCS_pos[++PCS_top] = ftell(*hto_page);
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}
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}
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return PCS_pos[PCS_top];
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}
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long seekrelline(unsigned i){
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seekpage(current_page);
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size_t lc = 0;
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while(lc < i){
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const char c = getc(*hto_page);
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assert(("seekrelline() tried to read past the reference file", !(c == EOF)));
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if(c == '\n'){ ++lc; }
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}
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return ftell(*hto_page);
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}
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void PCS_reset(void){
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PCS_top = 0;
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}
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///* position references found file at specified line */
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//void
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//seekline(unsigned int line)
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//{
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// /* verify that there is a references found file */
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// if (refsfound == NULL) {
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// return;
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// }
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// /* go to the beginning of the file */
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// rewind(refsfound);
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// /**/
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// seekrelline(line);
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//}
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//
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///* XXX: this is just dodging the problem */
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//void
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//seekrelline(unsigned int line){
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// int c;
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//
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// /* verify that there is a references found file */
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// if (refsfound == NULL) {
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// return;
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// }
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//
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// /* find the requested line */
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// nextline = 1;
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// while (nextline < line && (c = getc(refsfound)) != EOF) {
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// if (c == '\n') {
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// nextline++;
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// }
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// }
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//}
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