41 lines
852 B
C
41 lines
852 B
C
#include <assert.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "myc_str.h"
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#include "myc_fortran.h"
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static char *last_line = NULL;
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char *readline (char *prompt);
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void add_history(const char *line);
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void F_FUN(sys_rd_line)(F_CHAR(cmd), int *retlen, F_CHAR(prompt) F_CLEN(cmd) F_CLEN(prompt))
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{
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char *line_read;
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char p0[64], p[64];
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STR_TO_C(p0, prompt);
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str_copy(p, "\n");
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str_append(p, p0);
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if (last_line == NULL) { last_line =malloc(1); last_line[0] = '\0';};
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line_read = readline(p);
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if (line_read)
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{
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if (*line_read && strcmp(last_line, line_read)!=0)
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add_history (line_read);
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free (last_line);
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STR_TO_F(cmd, line_read);
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*retlen=strlen(line_read);
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last_line = line_read;
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if (*retlen>F_LEN(cmd)) *retlen=F_LEN(cmd);
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} else {
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*retlen=-1;
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}
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}
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