mirror of
https://github.com/autc04/Retro68.git
synced 2024-06-03 15:29:50 +00:00
134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "libiberty.h"
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#include "stubs.h"
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#ifndef HAVE_DCGETTEXT
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const char *dcgettext(const char *domain, const char *msg, int category)
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{
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return msg;
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}
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#endif /* !HAVE_DCGETTEXT */
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#ifndef HAVE_LIBINTL_DGETTEXT
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const char *libintl_dgettext(const char *domain, const char *msg)
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{
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return msg;
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}
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#endif /* !HAVE_LIBINTL_DGETTEXT */
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#ifndef HAVE_GETLINE
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/* Read a line from IN. LINE points to a malloc'd buffer that is extended as
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necessary. ALLOC points to the allocated length of LINE. Returns
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the length of the string read (including any trailing \n) */
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ssize_t getline(char **line, size_t *alloc, FILE *in)
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{
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size_t len = 0;
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if (!*alloc) {
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*alloc = 200;
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*line = xmalloc(*alloc);
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}
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while (1) {
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if (!fgets(*line + len, *alloc - len, in))
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return 0;
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len += strlen(*line + len);
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if (len && (*line)[len - 1] == '\n')
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return len;
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*alloc *= 2;
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*line = xrealloc(*line, *alloc);
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}
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}
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#endif
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/* fatal error & exit */
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void fatal(const char *format, ...)
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{
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va_list args;
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va_start(args, format);
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fprintf(stderr, "%s: ", elf2flt_progname);
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vfprintf(stderr, format, args);
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fprintf(stderr, "\n");
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va_end(args);
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exit(1);
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}
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/* fatal error, perror & exit */
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void fatal_perror(const char *format, ...)
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{
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int e = errno;
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va_list args;
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va_start(args, format);
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fprintf(stderr, "%s: ", elf2flt_progname);
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vfprintf(stderr, format, args);
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fprintf(stderr, ": %s\n", strerror(e));
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va_end(args);
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exit(1);
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}
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/* open a file or fail */
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FILE *xfopen(const char *path, const char *mode)
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{
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FILE *ret = fopen(path, mode);
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if (!ret)
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fatal_perror("Unable to open '%s'", path);
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return ret;
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}
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/* Append a string SRC to an options array DST */
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void append_option(options_t *dst, const char *src)
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{
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if (dst->alloc == dst->num) {
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size_t a = (dst->num + 2) * 2;
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void *o = xmalloc(sizeof(*dst->options) * a);
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memcpy(o, dst->options, sizeof(*dst->options) * dst->num);
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free(dst->options);
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dst->options = o;
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dst->alloc = a;
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}
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dst->options[dst->num] = src;
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dst->num++;
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}
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/* Split and append a string SRC to an options array DST */
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void append_option_str(options_t *dst, const char *src, const char *delim)
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{
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char *tok_src = xstrdup(src);
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char *tok = strtok(tok_src, delim);
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while (tok) {
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append_option(dst, tok);
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tok = strtok(NULL, delim);
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}
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/* don't free tok_src since options_t now points to it */
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}
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/* Append an options array SRC to another options array DST */
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void append_options(options_t *dst, const options_t *src)
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{
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if (dst->alloc < dst->num + src->num) {
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size_t a = (dst->num + src->num + 2) * 2;
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void *o = xmalloc(sizeof(*dst->options) * a);
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memcpy(o, dst->options, sizeof(*dst->options) * dst->num);
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free(dst->options);
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dst->options = o;
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dst->alloc = a;
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}
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memcpy(&dst->options[dst->num], &src->options[0],
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sizeof(*dst->options) * src->num);
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dst->num += src->num;
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}
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