Simplified config.c
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parent
515e410451
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2
Makefile
2
Makefile
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@ -1,4 +1,4 @@
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VERSION = git-20110917
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VERSION = git-20110923
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CC = gcc
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CFLAGS = -Wall -pedantic -O2
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44
config.c
44
config.c
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@ -2,44 +2,36 @@
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#define _FEATURE_CONFIG
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#include <stdio.h>
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#include <string.h>
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#include "config.h"
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#define QUOTE(m) #m
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#define PUT_MACRO(m) \
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printf("%s-D%s=%s", n++ ? " " : "", #m, QUOTE(m))
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printf(" -D%s=%s", #m, QUOTE(m))
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int n = 0;
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inline void puts_if(const char *s, int c) {
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if (c)
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printf("%s%s", n++ ? " " : "", s);
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}
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inline void endl() {
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if (n) {
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printf("\n");
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n = 0;
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}
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inline int puts_if(const char *s, int c) {
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return c ? printf(" %s", s) : 0;
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}
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int main(int argc, char **argv) {
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int i;
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int i, n = 0;
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for (i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "-D")) {
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PUT_MACRO(EXIF_SUPPORT);
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PUT_MACRO(GIF_SUPPORT);
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endl();
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} else if (!strcmp(argv[i], "-l")) {
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puts_if("-lexif", EXIF_SUPPORT);
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puts_if("-lgif", GIF_SUPPORT);
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endl();
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} else {
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fprintf(stderr, "%s: invalid argument: %s\n", argv[0], argv[i]);
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return 1;
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switch (argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
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case 'D':
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n += PUT_MACRO(EXIF_SUPPORT);
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n += PUT_MACRO(GIF_SUPPORT);
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break;
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case 'l':
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n += puts_if("-lexif", EXIF_SUPPORT);
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n += puts_if("-lgif", GIF_SUPPORT);
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break;
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default:
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fprintf(stderr, "%s: invalid argument: %s\n", argv[0], argv[i]);
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return 1;
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}
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}
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if (n)
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printf("\n");
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return 0;
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}
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