Small utility collection for dealing with file archives that have dependencies
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/* SPDX-License-Identifier: ISC */
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "util/input_file.h"
#include "util/util.h"
void input_file_complain(const char *filename, size_t linenum, const char *msg)
{
fprintf(stderr, "%s: %zu: %s\n", filename, linenum, msg);
}
struct userdata {
const keyword_handler_t *handlers;
size_t count;
void *obj;
};
static int handle_line(void *usr, const char *filename,
size_t linenum, char *line)
{
struct userdata *u = usr;
size_t i, len;
while (isspace(*line))
++line;
if (*line == '\0' || *line == '#')
return 0;
for (i = 0; i < u->count; ++i) {
len = strlen(u->handlers[i].name);
if (strncmp(line, u->handlers[i].name, len) != 0)
continue;
if (!isspace(line[len]) && line[len] != '\0')
continue;
for (line += len; isspace(*line); ++line)
;
break;
}
if (i == u->count) {
fprintf(stderr, "%s: %zu: unknown keyword\n",
filename, linenum);
return -1;
}
return u->handlers[i].handle(line, filename, linenum, u->obj);
}
int process_file(const char *filename, const keyword_handler_t *handlers,
size_t count, void *obj)
{
struct userdata u = { handlers, count, obj };
return foreach_line_in_file(filename, &u, handle_line);
}